CN113114784B - Multifunctional computer data storage and migration device and method - Google Patents

Abstract

The invention discloses a multifunctional computer data storage and migration device and method. The data migration circuit and multi-position switching switch of the device are integrated on the NAS mainboard. Two USB female ports, a USB splitter, memories A and B , the first and second Ethernet cards form a data migration circuit for data migration; the first USB female port, the first USB splitter, the third and fourth Ethernet cards, and the NAS motherboard form a storage circuit for backup during data migration; Two wireless migration cards are used for wireless data migration; the method is to first set the multi-position switch to any of the USB migrator, NAS+USB migrator and NAS+wireless migrator positions, and then connect the two computers to The data migration device is connected, paired with the migration program, and the working mode of the computer is determined. Then the data migration and backup are started. After completion, the data is verified and the report is exported. The invention has a simple structure and has both NAS function and data migration function.

Description

A multifunctional computer data storage and migration device and method

Technical field

The invention relates to the field of computer technology, and in particular to a multifunctional computer data storage and migration device and method.

Background technique

Nowadays, the computer industry is developing rapidly. Computer equipment has basically covered every aspect of people's daily life and office work. Computer technology is changing with each passing day. CPUs and operating systems have developed a variety of different technical routes, and new and old equipment are replaced more and more frequently. . The amount of data people store on their computers is increasing. During every device replacement, we need to migrate a large number of data files on the old device to the new device. The problem of large data migration needs to be solved urgently. Among them There are more and more data migrations across different CPU architectures and different operating systems. The file system formats of different operating systems are also different, which also causes great troubles in the data migration process.

Currently, the most commonly used data migration method is to manually copy the data from the old device to a USB flash drive or mobile hard drive, and then copy the data to the new device via the USB flash drive or mobile hard drive. In this process, multiple file moves are required. Operation, the whole process is prone to file leakage and repeated copying, and file damage may also occur during the copying process. When the file volume is relatively large, it is extremely difficult to detect damaged files. After the copy is completed, It is also necessary to manually organize files for different operating systems, which is a complex and time-consuming process and the migration effect is not ideal.

Contents of the invention

In order to overcome the above problems, the object of the present invention is to provide a multifunctional computer data storage and migration device and method. This device has both data storage and migration functions. It can provide multiple working modes. It can be used as a NAS to provide users with private cloud services, or as a file migration device to provide users with file migration services. Using it, people can Enjoy the convenience brought by NAS while migrating data or files between two computers stably and conveniently.

In order to achieve the above objects, the present invention adopts the following technical solutions:

A multifunctional computer data storage and migration device and method, including a casing, a data migration circuit, a NAS motherboard, a multi-position mode switch, a wireless migration card and a USB extension cable, the data migration circuit and the multi-position switch Integrated on the NAS motherboard, the NAS motherboard is set in the casing; the data migration circuit includes a first USB female head, a first USB splitter, a memory A used to store the source computer startup system and migration program, and a first Ethernet card , the second Ethernet card, the third Ethernet card, the memory B used to store the target computer startup system and migration program, the second USB splitter and the second USB female head, the USB connector of the first USB splitter is connected The first USB female head, memory A, the first Ethernet card and the third Ethernet card are connected to the first USB splitter. The USB connector of the second USB splitter is connected to the second USB female head and the second Ethernet card. and memory B are connected to the second USB splitter, the first Ethernet card and the second Ethernet card are directly connected through a network cable; the NAS mainboard is provided with a hard disk interface, a fourth Ethernet card, a fifth Ethernet card, a wireless Network card, the hard disk interface is connected to the first USB splitter, the fourth Ethernet card and the third Ethernet card are directly connected through a network cable, and are used for data migration between the source computer and the target computer from the source computer to the NAS motherboard. Synchronously back up migration data; the wireless network card is used to establish a wireless hotspot and enable the wireless routing function; the fifth Ethernet card is connected to the Ethernet port provided on the casing; the multi-position mode switch is set on the casing through an extension cord On the body, by selecting different gears of the multi-position mode switch, the data communication status of the first Ethernet card and the second Ethernet card, the data communication status of the third Ethernet card and the fourth Ethernet card, and the hard disk interface and the third Ethernet card are controlled. The data communication status of a USB splitter; the first USB female head and the second USB female head are arranged on the housing through an extension cord;

The wireless migration card includes a source computer side and a target computer side wireless migration card. The source computer side and the target computer side wireless migration card connect the wireless hotspots established by the wireless network card on the NAS motherboard so that the source computer side and the target computer side can perform operations. Wireless network communication, performing data migration between the source computer and the target computer in a wireless manner;

There are two USB extension cables, one is connected to the first USB female connector, and the other is connected to the second USB female connector.

Further, the wireless migration card on the source computer side includes a card case C. The card case C is equipped with a USB splitter C, a memory C for storing the source computer startup system and migration program, a wireless network card C and a card extending to the card case C. The external USB male connector C, the USB connector of the USB splitter C is connected to the USB male connector C, the memory C and the wireless network card C are connected to the USB splitter C; the target computer wireless migration card includes a card case D, The card case D is provided with a USB splitter D, a memory D for storing the target computer startup system and migration program, a wireless network card D, and a USB male plug D extending outside the card case D. The USB splitter D The USB connector is connected to the USB male connector D, and the memory D and wireless network card D are connected to the USB splitter D.

Furthermore, the multi-position mode switch is provided with five positions, namely USB migrator position, external hard disk box position, NAS position, NAS+USB migrator position and NAS+wireless migrator. gears, and correspond to different working modes of the multifunctional computer data storage and migration device.

Furthermore, when the multi-position mode switch is in the USB migrator position, the NAS motherboard is in a power-off state, the data migration circuit is in a connected state, and the multi-function computer data storage and migration device only Used for data migration, its working mode is USB migrator mode.

Furthermore, when the multi-position mode switch is in the external hard disk box position, the circuits of the second USB female connector and the second USB splitter are in a disconnected state, that is, the data migration circuit is in a disconnected state. status, the third Ethernet card and the fourth Ethernet card are in a disconnected state, the first USB splitter is only in a connected state with the hard disk interface on the NAS motherboard, and the working mode of the multifunctional computer data storage and migration device is a USB hard disk box model.

Furthermore, when the multi-position mode switch is in the NAS position, the NAS motherboard is in a power-on state, the circuits of the first USB female connector and the first USB splitter are in a disconnected state, and the second The circuits of the USB female head and the second USB splitter are in a disconnected state, that is, the data migration circuit is in a disconnected state, the third Ethernet card and the fourth Ethernet card are in a disconnected state, and the wireless network card and hard disk set on the NAS motherboard are in a disconnected state. The interface, the fourth Ethernet card, and the fifth Ethernet port are in an open state. The NAS motherboard and the NAS operating system running on it provide NAS services. The working mode of the multifunctional computer data storage and migration device is the NAS mode.

Furthermore, when the multi-position mode switch is in the NAS+USB migrator position, the NAS mainboard is in a power-on state, and the circuit between the hard disk interface and the first USB splitter is in a disconnected state, so The third Ethernet card and the fourth Ethernet port are in a connected state, and the data migration circuit is in a connected state for performing data migration between the source computer and the target computer in a wired manner; the NAS motherboard and the computer running on it The NAS operating system on the computer provides NAS services. During the data migration process, the migrated data is synchronized and backed up to the NAS motherboard through the wired connection established by the third Ethernet card and the fourth Ethernet card; the multi-function computer The working mode of the data storage and migration device is NAS+USB migrator mode.

Furthermore, when the multi-position mode switch is in the NAS+wireless migrator position, and the source computer side wireless migration card and the target computer side wireless migration card are used, the NAS motherboard is in a power-on state, and the data migration The circuit is in a disconnected state, the third Ethernet card and the fourth Ethernet card are in a disconnected state, and the NAS motherboard and the NAS operating system running on it provide NAS services; at this time, the wireless network card on the NAS motherboard is used to turn on the wireless The hotspot provides a wireless routing function, allowing the wireless network card C and wireless network card D in the wireless migration card on the source computer and the target computer to connect to the wireless hotspot turned on by the wireless network card on the NAS motherboard. The source computer and the target computer can communicate wirelessly. , perform data migration between the source computer and the target computer in a wireless manner, and at the same time back up the data during the migration process to the NAS motherboard through wireless communication; the working mode of the multifunctional computer data storage and migration device is NAS+wireless migrator mode .

Furthermore, the two USB extension cables are both double male cables, and the connection mode with the first USB female cable and the second USB female cable is a free plug-in connection; the first USB female cable on the housing is The first and second USB female headers are provided with logos, which are used to identify the connection source computer or the target computer respectively; the source computer side wireless migration card is provided with logos, used to identify the connection source computer, and the target computer side wireless migration card There is a logo on the card to identify the target computer.

Furthermore, the USB splitter C, memory C, wireless network card C and USB male connector C are integrated on the 1# PCB board using integrated circuit technology, and are arranged in the card case C, with the USB male connector C extending to the card case. In addition to C; the USB splitter D, memory D, wireless network card D and USB male head D are integrated on the 2# PCB board using integrated circuit technology, and are arranged in the card case D, with the USB male head D extending to the card case D. outside.

The source computer mentioned in the present invention refers to the computer from which data is migrated, and the target computer refers to the computer that receives data.

The data migration method using the multifunctional computer data storage and migration device of the present invention is as follows:

By switching the position of the multi-position mode switch, the working mode of the multi-functional computer data storage and migration device is any one of USB migrator mode, NAS+USB migrator mode and NAS+wireless migrator mode, and in Perform data migration between two computers, or data migration and data backup in the selected mode;

When the working mode of the multifunctional computer data storage and migration device is the USB migrator mode, the data migration method includes the following steps:

S1. Gear selection and device connection: Set the multi-level mode switch to the USB migrator position, and make sure that the source computer and target computer are not connected to USB storage devices. Connect the source computer and target computer through two USB cables. Connect to the first USB female connector and the second USB female connector of the multifunctional computer data storage and migration device respectively;

S2. Migration program pairing: Before the data migration starts, set the source computer and the target computer to USB boot through BIOS, and then restart the source computer and target computer. The source computer migration program on storage A and the migration program on storage B The migration program on the target computer is also started and is waiting for pairing. A random connection code and a connection password are displayed on the data migration interface of the source computer and the target computer. Subsequently, the two migration programs will be bound and fixed through the TCP protocol. port and wait for the connection; then enter the connection code and connection password of another computer in the data migration interface of the source computer or target computer, and pair the migration programs on the two computers. After successful pairing, the source computer and the target computer use the TCP protocol. Establish a stable connection channel between the target computers and automatically close the pairing state;

S3. Device mode determination: After completing the pairing of the two migration programs, the migration programs on the two computers enter the device mode determination stage, and the device mode determination options are displayed on the data migration interfaces of the two computers; the migration program on the source computer side The migration program on the target computer has two working modes, namely source machine mode and target machine mode. Among them, the migration program on the source computer should select the source machine mode, and the migration program on the target computer should select the target machine mode; when After one computer makes a mode selection, it will notify the other computer through the TCP channel established in step S2, and the other computer will automatically work in another mode;

S4. Data migration: After determining the working modes of the two migration programs, the data migration stage is entered. At this time, the migration program on the target computer working in the target machine mode enters a waiting state, and the source computer side working in the source machine mode enters a waiting state. The computer-side migration program enters the file selection state. After the user selects and confirms the files to be migrated on the source computer, the user issues a migration instruction through the TCP channel established in step S2. The source computer-side migration program will automatically Generate a migration manifest and send it to the migration program on the target computer. After receiving the migration manifest, the migration program on the target computer will analyze the manifest file and store it in a temporary folder for the data migration process and later data comparison. Then the target computer The data migration interface on the screen will pop up a dialog box for selecting the file storage location. After the storage location selection is completed, click the confirmation button to start entering the data migration state. During the data migration process, the migration program will verify the integrity of each piece of data. Verify, retransmit files with migration errors, and enter the next stage after all files are migrated;

S5. Data verification and report export: After the data migration is completed, the migration program on the target computer compares and verifies the data, and retransmits the missing or incorrect data. After the transmission is completed, the migration program on the target computer Export a migration report to complete data migration;

When the working mode of the multifunctional computer data storage and migration device is NAS+USB migrator mode, the data migration method includes the following steps:

L1. Gear selection and device connection: Set the multi-level mode switch to the NAS+USB migrator position, turn on the working power of the multi-function computer data storage and migration device, and make the source computer and target computer unconnected. The USB storage device connects the source computer and the target computer to the first USB female connector and the second USB female connector of the multifunctional computer data storage and migration device respectively through two USB cables;

L2. Migration program pairing: Before the data migration starts, set the source computer and the target computer to USB disk startup through BIOS, and then restart the source computer and target computer. The source computer migration program on storage A and the migration program on storage B The migration program on the target computer is also started and is waiting for pairing. A random connection code and a connection password are displayed on the data migration interface of the source computer and the target computer. Subsequently, the two migration programs will be bound and fixed through the TCP protocol. port and wait for the connection; then enter the connection code and connection password of another computer in the data migration interface of the source computer or target computer, and pair the migration programs on the two computers. After successful pairing, the source computer and the target computer use the TCP protocol. Establish a stable connection channel between the target computers and automatically close the pairing state;

L3. Device mode determination: After completing the pairing of the two migration programs, the migration programs on the two computers enter the device mode determination stage, and the device mode determination options are displayed on the data migration interfaces of the two computers; the migration program on the source computer side The migration program on the target computer has two working modes, namely source machine mode and target machine mode. Among them, the migration program on the source computer should select the source machine mode, and the migration program on the target computer should select the target machine mode; when After one computer makes a mode selection, it will notify the other computer through the TCP channel established in step L2, and the other computer will automatically work in another mode;

L4. Data migration and backup: After determining the working modes of the two migration programs, the data migration stage is entered. At this time, the migration program on the target computer working in the target machine mode enters a waiting state and works in the source machine mode. The migration program on the source computer enters the file selection state. After the user selects and confirms the files to be migrated on the source computer, a check box appears on the data migration interface to determine whether to synchronize the files to be migrated to the NAS. After the check box is checked, a migration instruction is issued through the TCP channel established in step L2. The migration program on the source computer will automatically generate a migration list based on the data entries selected by the user and send it to the migration program on the target computer. After receiving the migration manifest, the program will analyze the manifest file and store it in a temporary folder for use in the data migration process and later data comparison. Then the data migration interface on the target computer will pop up a dialog box to select the file storage location. After the location selection is completed, click the Confirm button to start entering the data migration state. During the data migration process, the migrated data is synchronized and backed up on the NAS motherboard. At the same time, the migration program will verify the integrity of each piece of data. For migration errors, files, retransmit them, and enter the next stage after all files are migrated;

L5. Data verification and report export: After the data migration is completed, the migration program on the target computer compares and verifies the data, and retransmits the missing or incorrect data. After the transmission is completed, the migration program on the target computer Export a migration report to complete data migration;

When the working mode of the multifunctional computer data storage and migration device is NAS+wireless migrator mode, the data migration method includes the following steps:

M1. Gear selection and device connection: Set the multi-level mode switch to the NAS + wireless migration position, turn on the working power of the multi-function computer data storage and migration device, and keep the source computer and target computer from connecting to USB For storage devices, insert the wireless migration cards on the source computer and the target computer into the USB ports of the source computer and target computer respectively;

M2. Migration program pairing: Before the data migration starts, set the source computer and target computer to USB boot through BIOS, then restart the source computer and target computer. The migration program on the source computer on storage C and the migration program on storage D The migration program on the target computer is also started and is waiting for pairing. A random connection code and a connection password are displayed on the data migration interface of the source computer and the target computer. Subsequently, the two migration programs will be bound and fixed through the TCP protocol. port and wait for the connection; then enter the connection code and connection password of another computer in the data migration interface of the source computer or target computer, and pair the migration programs on the two computers. After successful pairing, the source computer and the target computer use the TCP protocol. Establish a stable connection channel between the target computers and automatically close the pairing state;

M3. Device mode determination: After completing the pairing of the two migration programs, the migration programs on the two computers enter the device mode determination stage, and the device mode determination options are displayed on the data migration interfaces of the two computers; the migration program on the source computer side The migration program on the target computer has two working modes, namely source machine mode and target machine mode. Among them, the migration program on the source computer should select the source machine mode, and the migration program on the target computer should select the target machine mode; when After one computer makes a mode selection, it will notify the other computer through the TCP channel established in step M2, and the other computer will automatically work in another mode;

M4. Data migration and backup: After determining the working modes of the two migration programs, the data migration stage is entered. At this time, the migration program on the target computer working in the target machine mode enters a waiting state and works in the source machine mode. The migration program on the source computer enters the file selection state. After the user selects and confirms the files to be migrated on the source computer, a check box appears on the data migration interface to determine whether to synchronize the files to be migrated to the NAS. After the check box is checked, a migration instruction is issued through the TCP channel established in step M2. The migration program on the source computer will automatically generate a migration list based on the data entries selected by the user and send it to the migration program on the target computer. After receiving the migration manifest, the program will analyze the manifest file and store it in a temporary folder for use in the data migration process and later data comparison. Then the data migration interface on the target computer will pop up a dialog box to select the file storage location. After the location selection is completed, click the Confirm button to start entering the data migration state. During the data migration process, the migrated data is synchronized and backed up on the NAS motherboard. At the same time, the migration program will verify the integrity of each piece of data. For migration errors, files, retransmit them, and enter the next stage after all files are migrated;

M5. Data verification and report export: After the data migration is completed, the migration program on the target computer compares and verifies the data, and retransmits the missing or incorrect data. After the transfer is completed, the migration program on the target computer Export a migration report to complete data migration.

Further, the migration list includes a list of data to be migrated, the file name and md5 value corresponding to each piece of data, and the data size; during the data migration process, files with migration errors are retransmitted, and retransmission is given up after three transmission attempts fail. .

Furthermore, after the data migration is completed, the migration program on the target computer compares and verifies the migrated data based on the file list on the migration list received before data transmission and the md5 value of each file. The data is compared and verified; the statistical information of the migration report includes a list of successfully migrated files, a list of files that failed to be migrated, and the amount of migrated data.

Compared with the prior art, the present invention has the following beneficial effects:

1. Rich functions, one machine for multiple purposes: The multi-functional computer data storage and migration device of the present invention provides multiple working modes, including the functions of NAS and migrator, and can be used for multiple purposes in one machine.

2. Simple and practical, with high stability: The multifunctional computer data storage and migration device of the present invention connects two computers through USB/wireless that users are familiar with, and the migration device has a built-in startup system and file migration system for the two computers. The migration program can perform data or file migration operations without starting the device's original operating system, effectively eliminating the impact of the original system running on file migration. It is easy to use and the entire migration process is very stable and reliable.

3. Corresponding reset of file locations: During the migration operation, the migration software program can automatically organize the files and folders migrated to the target computer according to their storage locations in the source computer, so that the file storage locations before and after migration are basically the same. , convenient for users to use according to the original storage location and search.

4. Cross-platform: The migration device of the present invention supports multiple software and hardware platforms, and one set of migration devices can complete file migration work on multiple platforms and scenarios.

5. Reusable: The migration device of the present invention can be reused, and one set of migration devices can complete multiple migrations.

6. Data verification: The migration device of the present invention will perform integrity verification on the data during the migration process and after the migration is completed, and will automatically issue an alarm or retransmit files with migration errors.

7. Driver-free: During the entire migration implementation process, the present invention does not require the user to install any additional programs or drivers on the computer.

8. Long distance: In the wireless migration mode, the present invention can enable two computers to migrate data or files at a long distance, breaking the distance limit of the USB migration device.

Description of the drawings

Figure 1 is a schematic structural diagram of the present invention.

Figure 2 is a wiring diagram of the present invention in USB migrator mode and NAS+USB migrator mode.

Figure 3 is a wiring diagram of the present invention in USB hard disk box mode.

Figure 4 is a wiring diagram of the present invention in NAS+wireless migrator mode.

In the figure, 1-case, 2-multi-position mode switch, 3-first USB female connector, 4-first USB splitter, 5-memory A, 6-first Ethernet card, 7-second Ethernet card, 8-third Ethernet card, 9-fourth Ethernet card, 10-fifth Ethernet card, 11-Ethernet port, 12-memory B, 13-second USB splitter, 14-second USB mother Header, 15-NAS motherboard, 16-wireless network card, 17-hard disk interface, 18-USB extension cable, 19-casing C, 20-USB splitter C, 21-storage C, 22-wireless network card C, 23-USB Male C, 24-casing D, 25-USB splitter D, 26-storage D, 27-wireless network card D, 28-USB male D.

Detailed ways

The technical solution of the present invention will be further described below through specific examples. Those skilled in the art should understand that the specific embodiments are only to help understand the present invention and should not be regarded as specific limitations of the present invention.

Example 1

As shown in Fig. 1-2, a multifunctional computer data storage and migration device and method comprises a housing data migration circuit, a NAS motherboard 15, a multi-speed mode switch 2, a wireless migration card and a USB extension cable 18, wherein the data migration circuit and the multi-speed mode switch 2 are integrated on the NAS motherboard 15, the NAS motherboard 15 is arranged in the housing 1 and the multi-speed mode switch 2 is fixed on the housing 1; the data migration circuit comprises a first USB female connector 3, a first USB splitter 4, a memory A5 for storing a source computer startup system and a migration program, a first Ethernet card 6, a second Ethernet card 7, a third Ethernet card 8, a memory B12 for storing a target computer startup system and a migration program, a second USB splitter 13 and a second USB female connector 14, wherein the first USB female connector 3 and the second USB female connector 14 are fixed on the housing 1; the USB connector of the first USB splitter 4 is connected to the first USB female connector 3, the memory A5, the first Ethernet card 6 and the third Ethernet card 8 are connected to the first USB splitter 4, and the The USB connector of the second USB splitter 13 is connected to the second USB female connector 14, the second Ethernet card 7 and the memory B12 are connected to the second USB splitter 13, and the first Ethernet card 6 is directly connected to the second Ethernet card 7 through a network cable; the NAS mainboard 15 is provided with a hard disk interface 17, a fourth Ethernet card 9, a fifth Ethernet card 10 and a wireless network card 16, the hard disk interface 17 is connected to the first USB splitter 4, the fourth Ethernet card 9 is directly connected to the third Ethernet card 7 through a network cable, and is used for the source computer to synchronize and backup the migrated data to the NAS mainboard during the data migration process between the source computer and the target computer; the wireless network card 16 is used to establish a wireless hotspot and enable the wireless routing function; the fifth Ethernet card 10 is connected to the Ethernet port 11 provided on the housing 1; by selecting different gears of the multi-gear mode switching switch 2, the data communication state of the first Ethernet card 6 and the second Ethernet card 7, the data communication state of the third Ethernet card 8 and the fourth Ethernet card 9, and the data communication state of the hard disk interface 17 and the first USB splitter 4 are controlled;

The wireless migration card includes a source computer side and a target computer side wireless migration card. The source computer side and the target computer side wireless migration card connect the source computer side and the target computer side through wireless hotspots established by the wireless network card 16 on the NAS motherboard 15. Able to perform wireless network communication and perform data migration between the source computer and the target computer in a wireless manner;

There are two USB extension cables 18 , one is connected to the first USB female head 3 and the other is connected to the second USB female head 14 .

The source computer side wireless migration card includes a card case C19. The card case C19 is equipped with a USB splitter C20, a memory C21 for storing the source computer startup system and migration program, a wireless network card C22 and a USB extending outside the card case C. Male connector C23, the USB connector of the USB splitter C20 is connected to the USB male connector C23, the memory C21 and the wireless network card C22 are connected to the USB splitter C20; the target computer wireless migration card includes a card case D24, the card case D24 is provided with a USB splitter D25, a memory D26 for storing the target computer startup system and migration program, a wireless network card D27 and a USB male connector D28 extending outside the card case D. The USB connector of the USB splitter D25 is connected USB male connector D28, memory D26 and wireless network card D27 are connected to USB splitter D25. The USB splitter C20, memory C21, wireless network card C22 and USB male connector C23 are integrated on the 1# PCB board using integrated circuit technology, and are arranged in the card case C19, with the USB male connector C extending outside the card case C; so The USB splitter D25, memory D26, wireless network card D27 and USB male connector D28 are integrated on the 2# PCB board using integrated circuit technology, and are set in the card case D24, with the USB male connector D extending out of the card case D.

The two USB extension cables 18 are both double male cables, and the connection mode with the first USB female head 3 and the second USB female head 14 is a free plug-in connection; The head 3 and the second USB female head 14 are provided with logos, which are used to identify the connection source computer or the target computer respectively; the source computer side wireless migration card is provided with logos, used to identify the connection source computer, and the target computer side is provided with logos. There is a logo on the wireless migration card to identify the connection target computer.

The source computer refers to the computer from which the data is migrated, and the target computer refers to the computer that receives the data.

In the present invention, the source computer startup system and migration program are built into the memory A5 of the data migration circuit and the memory C21 of the source computer side wireless migration card, and the target computer startup system and migration program are built into the memory B12 and the memory D26 of the target computer side wireless migration card. Program; the source computer startup system is used to start the source computer, the target computer startup system is an open source free Linux operating system, and the migration program is used to drive the data migration circuit to perform data migration between the two computers; when the multi-function computer data storage After the migration device is connected to the source computer and the target computer through two USB extension cables 18 or wireless migration cards, set them in the bios of the two computers to boot from the U disk. When the source computer and the target computer start, they will Start the computer startup system in memory A5 or memory C21, as well as memory B12 or memory D26. After the system starts, it will bind a fixed IP address to the Ethernet card in the first or second splitter. After the system starts, the memory The migration process inside will also start.

Install the NAS operating system and routing program in the built-in memory of the NAS motherboard 15. The routing program establishes a wireless hotspot through the wireless network card and turns on the wireless routing function.

The multi-position mode switch 2 is provided with five positions, which are USB migrator position, external hard disk box position, NAS position, NAS+USB migrator position and NAS+wireless migrator position. And corresponds to five different working modes of the multifunctional computer data storage and migration device. The details of the five working modes are as follows:

1. USB migrator mode (mode 1)

The multi-position mode switch 2 of the present invention is in the first position (USB migrator position) by default. At this time, the NAS mainboard 15 is in a power-off state. At this time, the active module in the migration device is the first USB branch line. 4, the second USB splitter 13 and the first Ethernet card 6 and the second Ethernet card 7 connected thereto, as well as the memories A and 5, the memory B12, the data migration circuit is in a connected state, and the multifunctional computer data storage And the migration device is only used for data migration, and its working mode is USB migrator mode.

The principle of data migration in USB migrator mode is as follows:

Connect the two USB female connectors of the migration device to the source computer and the target computer respectively through two extension cables, and then set them in the BIOS of the two computers to boot from the USB disk. When the source computer and the target computer start, The computers in memory A5 and memory B12 respectively start the system. After starting, the system will bind a fixed IP address to the corresponding Ethernet card in the splitter (first splitter 4, second splitter 13) at each end. , after the boot system is started, the migration programs in memories A and B will also be started.

The migration program in the memory A5 of the source computer will establish a Tcp server (hereinafter referred to as the migration server) during the startup process. The migration program in the memory B12 of the target computer will establish a Tcp client to connect to the migration server during startup. In this way A connection is then established between the two computers, through which the data or file migration operation between the two computers can be completed.

In USB migrator mode, the NAS motherboard 15 will not start and cannot provide NAS services. It can only complete data or file migration between the source computer and the target computer. The migrated data or files will not be backed up in the NAS motherboard.

2. USB hard disk box mode (mode 2)

The mode of the second position 2 (external hard disk box position) of the multi-position mode switch is the USB hard disk box mode, and the circuits of the second USB female head 14 and the second USB splitter 13 are in a disconnected state. , that is, the data migration circuit is in a disconnected state, the third Ethernet card 8 and the fourth Ethernet card 9 are in a disconnected state, the first USB splitter 4 is only in a connected state with the hard disk interface 17 on the NAS motherboard 15, and the multiple The working mode of the functional computer data storage and migration device is USB hard disk box mode.

In the USB hard disk box mode, connect the first USB female connector 3 on the source computer to the computer through a double male USB extension cable 18, and the computer can read and write the hard drive inside the NAS motherboard 15. At this time, the migration device is equivalent to A hard drive case.

This mode can only complete the access of external devices to the internal hard disk of the NAS motherboard 15, and cannot provide NAS services, nor can it provide data or file migration services.

3. NAS mode (mode three)

The mode corresponding to the third gear (NAS gear) of the multi-position mode switch 2 is the NAS mode, the NAS motherboard 15 is in a powered state, and the circuits of the first USB female connector 3 and the first USB splitter 4 In a disconnected state, the circuits of the second USB female head 14 and the second USB splitter 13 are in a disconnected state, that is, the data migration circuit is in a disconnected state, and the third Ethernet card 8 and the fourth Ethernet card 9 are in a disconnected state. , the wireless network card 16, hard disk interface 17, fourth Ethernet card 9, and fifth Ethernet port 10 provided on the NAS mainboard 15 are in an open state. The NAS mainboard 15 and the NAS operating system running on it provide NAS services, so The working mode of the multifunctional computer data storage and migration device is the NAS mode.

In this mode, the migration device will start the NAS operating system and provide NAS functions and wireless routing functions. Users can connect to the NAS motherboard in the migration device through various methods.

There are three network modes for NAS motherboards:

① Connect to the user's LAN through a wired method, and establish a hotspot to share the network through a wireless network card (default mode);

②Connect to the user's LAN through a wireless network card and establish a wireless hotspot to share the network (the user needs to configure it through the NAS client after connecting to the NAS);

③Do not connect to the user LAN, only turn on the wireless, forming a closed network not connected to the user network.

By default, the NAS operating system will detect a wired connection after startup. If there is a wired connection, the NAS will set the network mode to mode ① by default. If there is no wired connection, the network mode will be set to mode by default. ③.

Users can connect to the NAS in two ways: ① Connect the user's computer to the same LAN as the NAS; ② Connect the user's computer to the wireless network enabled by the NAS. After the user's computer is connected to the NAS, Use the NAS functions and configure the NAS through the NAS client.

This mode only provides NAS services and wireless routing functions, but does not provide file migration services.

4. NAS+USB migrator mode (mode four)

The fourth position (NAS+USB migrator position) of the multi-position mode switch 2 corresponds to the NAS+USB migrator mode. The NAS mainboard 15 is in a power-on state, and the hard disk interface 17 is connected to the first USB splitter. The circuit between 4 is in a disconnected state, the third Ethernet card 8 and the fourth Ethernet port 9 are in a connected state, and the data migration circuit is in a connected state for performing wired connection between the source computer and the target computer. data migration between; the NAS motherboard 15 and the NAS operating system running on it provide NAS services. During the data migration process, the data migration process is completed through the wired connection established by the third Ethernet card 8 and the fourth Ethernet card 9 The migrated data is synchronously backed up to the NAS mainboard 15; the working mode of the multifunctional computer data storage and migration device is the NAS+USB migrator mode.

In this mode, the NAS operating system will start and provide NAS services after the NAS motherboard 15 is powered on. In addition, the NAS operating system will also start a NAS-side migration server program. The main function of this program in this mode is The NAS receives and stores the backups sent by the source computer migration program during the migration process.

In this mode, the source computer can be directly connected through the third Ethernet card 8 connected to the first USB splitter 4 and the fourth Ethernet card 9 on the NAS motherboard 15. The connection between the NAS motherboard 15, the source computer and the target computer The mode and the working mode of the migration program in memories A5 and B12 are roughly the same as Mode 1. The only difference lies in the startup process of the migration program on the source computer. When the source computer program in this mode starts, in addition to establishing a Tcp server In addition, a connection with the NAS migration server program is established through a wired connection. Through this connection, the data or files to be migrated can be backed up on the NAS motherboard 15, and the entire backup file transmission process and storage It's all encrypted.

This mode will start the NAS motherboard 15, which can provide NAS services. It can complete data or file migration between the source computer and the target computer, and can also back up the migrated files in the NAS motherboard.

5. NAS+wireless migrator mode (mode five)

The fifth position of the multi-position mode switch 2 (NAS+wireless migrator position) corresponds to the NAS+wireless migrator mode. When using the source computer wireless migration card and the target computer wireless migration card at the same time, the NAS motherboard 15 is in a powered-on state, the data migration circuit is in a disconnected state, the third Ethernet card 8 and the fourth Ethernet card 9 are in a disconnected state, and the NAS motherboard 15 and the NAS operating system running on it provide NAS services; at this time The wireless network card 16 on the NAS mainboard 15 is used to turn on the wireless hotspot and provide a wireless routing function, so that the wireless network card C22 and the wireless network card D27 in the wireless migration card of the source computer and the target computer are connected to the wireless network card 16 on the NAS mainboard 15 When the wireless hotspot is turned on, the source computer and the target computer can communicate wirelessly, perform data migration between the source computer and the target computer in a wireless manner, and at the same time back up the data in the migration process to the NAS motherboard 15 through wireless communication; The working mode of the multifunctional computer data storage and migration device is NAS+wireless migrator mode.

In this mode, the NAS operating system will start and provide NAS services after the NAS motherboard is powered on. In addition, the NAS motherboard 15 will also start a NAS-side migration server program. This program mainly has two functions in this mode. Functions: ① Switch the wireless network card 16 on the NAS motherboard to wireless migration mode and establish a wireless hotspot for the wireless migration card to connect; ② Based on NAS encryption, receive and store backups sent by the source computer program during the migration process. This mode requires two Only with the cooperation of the wireless migration card can the data or file migration operation between the source computer and the target computer be completed.

After the NAS side migration server program is started, the working status of the wireless network card 16 on the NAS mainboard 15 will be switched, and a hidden wireless hotspot dedicated to the connection of the source computer and the target computer side wireless migration card will be established through this wireless network card. At this time, the Connect the two wireless migration cards to the source computer and the target computer respectively, and then set them to boot from the USB disk in the BIOS of the two computers. When the source computer and the target computer start, the source computer and the target computer will be started respectively. The startup system in the memories C21 and 26D in the wireless migration card. After startup, the system will connect to the wireless hotspot just established in the migration device through the wireless network cards C22 and D27 in the respective wireless migration cards, and bind the wireless network cards C22 and D27. Fixed IP address, and then the migration program in the memory of the two wireless migration cards will also be started. The startup process and connection structure are exactly the same as in mode two. The difference lies in the two computers and the NAS motherboard in this mode. They are interconnected through wireless.

This mode will start the NAS motherboard 15, which can provide NAS services. This mode can not only complete data or file migration between two computers, but also back up the migrated data or files in the NAS motherboard 15, and can be used between two computers. The file migration operation is performed when the computers are far away. This mode has higher flexibility than Mode 1 and Mode 2.

Example 2

The data migration method using the multifunctional computer data storage and migration device of the present invention is as follows:

By switching the position of the multi-position mode switch, the working mode of the multi-functional computer data storage and migration device is any one of USB migrator mode, NAS+USB migrator mode and NAS+wireless migrator mode, and in Perform data migration between two computers, or data migration and data backup in the selected mode;

When the working mode of the multifunctional computer data storage and migration device is the USB migrator mode, the data migration method includes the following steps:

S1. Gear selection and device connection: Set the multi-position mode switch 2 to the USB migrator position, and make sure that the source computer and target computer are not connected to USB storage devices. Connect the source computer and target computer through two USB The lines are respectively connected to the first USB female connector 3 and the second USB female connector 14 of the multifunctional computer data storage and migration device;

S2. Migration program pairing: Before data migration starts, set the source computer and target computer to USB boot through BIOS, then restart the source computer and target computer. The source computer migration program on storage A5 and the migration program on storage B12 The migration program on the target computer is also started and is waiting for pairing. A random connection code and a connection password are displayed on the data migration interface of the source computer and the target computer. Subsequently, the two migration programs will be bound and fixed through the TCP protocol. port and wait for the connection; then enter the connection code and connection password of another computer in the data migration interface of the source computer or target computer, and pair the migration programs on the two computers. After successful pairing, the source computer and the target computer use the TCP protocol. Establish a stable connection channel between the target computers and automatically close the pairing state;

S3. Device mode determination: After completing the pairing of the two migration programs, the migration programs on the two computers enter the device mode determination stage, and the device mode determination options are displayed on the data migration interfaces of the two computers; the migration program on the source computer side The migration program on the target computer has two working modes, namely source machine mode and target machine mode. Among them, the migration program on the source computer should select the source machine mode, and the migration program on the target computer should select the target machine mode; when After one computer makes a mode selection, it will notify the other computer through the TCP channel established in step S2, and the other computer will automatically work in another mode;

S4. Data migration: After determining the working modes of the two migration programs, the data migration stage is entered. At this time, the migration program on the target computer working in the target machine mode enters a waiting state, and the source computer side working in the source machine mode enters a waiting state. The computer-side migration program enters the file selection state. After the user selects and confirms the files to be migrated on the source computer, the user issues a migration instruction through the TCP channel established in step S2. The source computer-side migration program will automatically Generate a migration manifest and send it to the migration program on the target computer. After receiving the migration manifest, the migration program on the target computer will analyze the manifest file and store it in a temporary folder for the data migration process and later data comparison. Then the target computer The data migration interface on the screen will pop up a dialog box for selecting the file storage location. After the storage location selection is completed, click the confirmation button to start entering the data migration state. During the data migration process, the migration program will verify the integrity of each piece of data. Verify, retransmit files with migration errors, and enter the next stage after all files are migrated;

S5. Data verification and report export: After the data migration is completed, the migration program on the target computer compares and verifies the data, and retransmits the missing or incorrect data. After the transmission is completed, the migration program on the target computer Export a migration report to complete data migration.

When the working mode of the multifunctional computer data storage and migration device is NAS+USB migrator mode, the data migration method includes the following steps:

L1. Gear selection and device connection: Set the multi-position mode switch 2 to the NAS+USB migrator position, turn on the working power of the multi-function computer data storage and migration device, and make the source computer and target computer disconnected. Connect the USB storage device, and connect the source computer and the target computer to the first USB female connector 3 and the second USB female connector 14 of the multifunctional computer data storage and migration device through two USB cables;

L2. Migration program pairing: Before data migration starts, set the source computer and target computer to USB boot through BIOS, and then restart the source computer and target computer. The migration program on the source computer on storage A5 and the migration program on storage B12 The migration program on the target computer is also started and is waiting for pairing. A random connection code and a connection password are displayed on the data migration interface of the source computer and the target computer. Subsequently, the two migration programs will be bound and fixed through the TCP protocol. port and wait for the connection; then enter the connection code and connection password of another computer in the data migration interface of the source computer or target computer, and pair the migration programs on the two computers. After successful pairing, the source computer and the target computer use the TCP protocol. Establish a stable connection channel between the target computers and automatically close the pairing state;

L3. Device mode determination: After completing the pairing of the two migration programs, the migration programs on the two computers enter the device mode determination stage, and the device mode determination options are displayed on the data migration interfaces of the two computers; the migration program on the source computer side The migration program on the target computer has two working modes, namely source machine mode and target machine mode. Among them, the migration program on the source computer should select the source machine mode, and the migration program on the target computer should select the target machine mode; when After one computer makes a mode selection, it will notify the other computer through the TCP channel established in step L2, and the other computer will automatically work in another mode;

L4. Data migration and backup: After determining the working modes of the two migration programs, the data migration stage is entered. At this time, the migration program on the target computer working in the target machine mode enters a waiting state and works in the source machine mode. The migration program on the source computer enters the file selection state. After the user selects and confirms the files to be migrated on the source computer, a check box appears on the data migration interface to determine whether to synchronize the files to be migrated to the NAS. After the check box is checked, a migration instruction is issued through the TCP channel established in step L2. The migration program on the source computer will automatically generate a migration list based on the data entries selected by the user and send it to the migration program on the target computer. After receiving the migration manifest, the program will analyze the manifest file and store it in a temporary folder for use in the data migration process and later data comparison. Then the data migration interface on the target computer will pop up a dialog box to select the file storage location. After the location selection is completed, click the Confirm button to start entering the data migration state. During the data migration process, the migrated data will be backed up on the NAS motherboard 15 simultaneously. At the same time, the migration program will verify the integrity of each piece of data. For migration Error files will be retransmitted. After all files are migrated, enter the next stage;

L5. Data verification and report export: After the data migration is completed, the migration program on the target computer compares and verifies the data, and retransmits the missing or incorrect data. After the transmission is completed, the migration program on the target computer Export a migration report to complete data migration.

When the working mode of the multifunctional computer data storage and migration device is NAS+wireless migrator mode, the data migration method includes the following steps:

M1, gear selection and device connection: Set the multi-position mode switch 2 to the NAS + wireless migration position, turn on the working power of the multi-function computer data storage and migration device, and make the source computer and target computer unconnected USB storage device, insert the wireless migration cards on the source computer and the target computer into the USB ports of the source computer and target computer respectively;

M2. Migration program pairing: Before the data migration starts, set the source computer and the target computer to USB disk startup through BIOS, and then restart the source computer and target computer. The migration program on the source computer on the memory C20 is matched with the one on the memory D26. The migration program on the target computer is also started and is waiting for pairing. A random connection code and a connection password are displayed on the data migration interface of the source computer and the target computer. Subsequently, the two migration programs will be bound and fixed through the TCP protocol. port and wait for the connection; then enter the connection code and connection password of another computer in the data migration interface of the source computer or target computer, and pair the migration programs on the two computers. After successful pairing, the source computer and the target computer use the TCP protocol. Establish a stable connection channel between the target computers and automatically close the pairing state;

M3. Device mode determination: After completing the pairing of the two migration programs, the migration programs on the two computers enter the device mode determination stage, and the device mode determination options are displayed on the data migration interfaces of the two computers; the migration program on the source computer side The migration program on the target computer has two working modes, namely source machine mode and target machine mode. Among them, the migration program on the source computer should select the source machine mode, and the migration program on the target computer should select the target machine mode; when After one computer makes a mode selection, it will notify the other computer through the TCP channel established in step M2, and the other computer will automatically work in another mode;

M4. Data migration and backup: After determining the working modes of the two migration programs, the data migration stage is entered. At this time, the migration program on the target computer working in the target machine mode enters a waiting state and works in the source machine mode. The migration program on the source computer enters the file selection state. After the user selects and confirms the files to be migrated on the source computer, a check box appears on the data migration interface to determine whether to synchronize the files to be migrated to the NAS. After the check box is checked, a migration instruction is issued through the TCP channel established in step M2. The migration program on the source computer will automatically generate a migration list based on the data entries selected by the user and send it to the migration program on the target computer. After receiving the migration manifest, the program will analyze the manifest file and store it in a temporary folder for use in the data migration process and later data comparison. Then the data migration interface on the target computer will pop up a dialog box to select the file storage location. After the location selection is completed, click the Confirm button to start entering the data migration state. During the data migration process, the migrated data will be backed up on the NAS motherboard 15 simultaneously. At the same time, the migration program will verify the integrity of each piece of data. For migration Error files will be retransmitted. After all files are migrated, enter the next stage;

M5. Data verification and report export: After the data migration is completed, the migration program on the target computer compares and verifies the data, and retransmits the missing or incorrect data. After the transfer is completed, the migration program on the target computer Export a migration report to complete data migration.

The migration list includes a list of data to be migrated, the file name and md5 value corresponding to each piece of data, and the data size; during the data migration process, files with migration errors are retransmitted, and retransmission is given up after three transmission attempts fail.

After the data migration is completed, the migration program on the target computer compares and verifies the migrated data. It compares the migrated data based on the file list on the migration list received before data transmission and the md5 value of each file. and verification; the statistical information of the migration report includes a list of successfully migrated files, a list of files that failed to be migrated, and the amount of migrated data.

The usage methods of the multifunctional computer data storage and migration device of the present invention in five working modes are as follows.

The multi-functional computer data storage and migration device of the present invention corresponds to five operating modes by selecting the first, second, third, fourth and fifth gears of the multi-position mode switch. The data migration methods of the five modes are explained one by one below.

1. USB migrator mode (mode 1)

(1) Prepare the multi-function computer data storage and migration device and the two computers to be migrated (assuming the target computer is PC-A and the source computer is PC-B). Make sure to unplug all connections between PC-A and PC-B. Connect the USB storage device, and then connect PC-A and PC-B to the corresponding USB female connector of the multi-function computer data storage and migration device through two USB extension cables 18, and switch the migration device through the multi-position mode switch 2 mode to switch to USB migrator mode, the connection between the migration device and the two computers is shown in Figure 2;

(2) Set PC-A to boot from the USB disk: Press the power button of PC-A, then press the DEL key on the keyboard of PC-A (the F2 key on some machines) to enter the BIOS, and set PC-A to boot from the USB disk. Start the USB disk and then restart PC-A;

(3) Set PC-B to boot from the USB flash drive: Same as step (3), set PC-B to boot from the USB flash drive, and restart PC-B;

(4) At this time, the two computers will respectively start the startup system on the internal memory A of the migration device. After the startup system is successfully started, the operation interface of the client program will appear on the two computer hosts, and the migration on the two computers will be completed on this interface. For the pairing operation and mode selection operation of the program, set the migration program on PC-A to the target machine mode, and set the migration program on PC-B to the source machine mode;

(5) At this time, the migration program on PC-B (source computer) enters the file selection state. The migration program has already selected the files to be migrated by default for the user (the default is full disk migration). The user can also choose according to his own wishes. Select the files to be migrated. After all settings are completed, click the "Start Migration" button in the client program on PC-B. At this time, the client program on PC-A (target computer) will pop up the migration In the confirmation dialog box, when the user clicks the "Confirm Start" button and selects the storage location of the migrated files on the target computer, the two computers begin the fully automatic migration process;

(6) The entire migration process is fully automatic, and no user is required to be on duty during this period. After the file migration is completed, the migration program will automatically check the integrity of all files and retransmit the erroneous files. After the entire process is completed, The client programs on PC-A and PC-B will export a migration report, which displays detailed information about this migration.

(7) At this point, the entire migration process is completed. Then shut down PC-A and PC-B and unplug the USB extension cable 18 connected to the migration device. After restarting PC-A and PC-B, you can use the computer normally. The original system is inside.

2. USB hard disk box mode (mode 2)

(1) Prepare the multifunctional computer data storage and migration device and the computer (assumed to be PC-A) to read the NAS hard disk. Use the multi-position mode switch 2 to switch the mode of the migration device to the USB hard disk box mode, and turn on the PC-A. A's power supply, and then connect the source computer side of the migration device to PC-A through a USB extension cable. The connection between the migration device and the computer is shown in Figure 3;

(2) At this time, PC-A can read and write the hard disk on the NAS motherboard. After the operation is completed, eject the NAS hard disk in PC-A, and then unplug the USB extension cable between PC-A and the migration device. Can.

3. NAS mode (mode three)

(1) After connecting the migration device to the power supply, switch the mode of the migration device to NAS mode through the multi-position mode switch 2. At this time, the NAS motherboard in the migration device will be powered on and run the NAS operating system. After the operation is completed, the routing program will pass through the NAS The wireless network card 16 on the motherboard establishes a wireless hotspot and turns on the wireless routing function;

(2) Connect the user's computer and the migration device to the same local area network, or connect to the wireless hotspot turned on by the migration device;

(3) Open the NAS client program on the user's computer. At this time, the NAS client program will automatically scan the NAS service started by the NAS motherboard. After the scan is successful, click the connect button to connect to the NAS motherboard 15;

(4) At this time, the user's computer has been connected to the NAS motherboard 15 of the migration device, and the NAS user can log in to the NAS by inputting the account and password (if this is the first connection, the NAS will prompt the user to set the login account and password);

(5) After logging in to the NAS, the user can access the NAS through the NAS client program, and can also modify the network mode and other configurations of the NAS.

4. NAS+USB migrator mode (mode four)

(1) Prepare the multifunctional computer data storage and migration device and the source and target computers to be migrated (assuming that the target computer is PC-A and the source computer is PC-B). Make sure to unplug all connections between PC-A and PC. -B connected USB storage device, and then connect PC-A and PC-B to the corresponding USB female connector of the multi-function computer data storage and migration device through two USB extension cables 18, and use the multi-position mode switch 2 to The mode is switched to NAS+USB migrator mode, and the connection between the multifunctional computer data storage and migration device and the computer is as shown in Figure 2;

(2) Same as step (2) in Mode 1;

(3) Same as step (3) in Mode 1;

(4) Same as step (4) in Mode 1;

(5) At this time, the migration program on PC-B (source computer) enters the file selection state. The migration program has already selected the files to be migrated by default for the user (the default is full disk migration). The user can also choose according to his own wishes. Select the files to be migrated, and click Next after selecting the files. At this time, a check box with "Whether to synchronize the files to be migrated to the NAS" will appear on the interface. The user can adjust the backup according to his own wishes. Check the box. After all settings are completed, click the "Start Migration" button in the client program on PC-B (source computer). At this time, the client program on PC-A (target computer) will A migration confirmation dialog box pops up. When the user clicks the "Confirm Start" button and selects the storage location of the migrated files on the target computer, the two computers begin the fully automatic migration process;

(6) Same as step (6) in Mode 1;

(7) Same as step (7) of Mode 1.

5. NAS+wireless migrator mode (mode five)

(1) Prepare the multifunctional computer data storage and migration device and the source and target computers to be migrated (assuming that the target computer is PC-A and the source computer is PC-B). Make sure to unplug all connections between PC-A and PC. -B connected USB storage device, then insert the wireless migration card into the corresponding source computer and target computer, and switch the multi-function computer data storage and migration device to NAS + wireless migrator mode through the multi-position mode switch 2, wireless The connection between the migration card, computer, and migration device is shown in Figure 4;

(2) Same as step (2) in Mode 1;

(2) Same as step (2) in Mode 1;

(3) Same as step (3) in Mode 1;

(4) Same as step (4) in Mode 1;

(5) Same as step (5) of mode 4;

(6) Same as step (6) in Mode 1;

(7) Same as step (7) of Mode 1.

Claims (7)

1. A multi-functional computer data storage and migration device, characterized in that: the wireless transfer device comprises a shell, a data transfer circuit, a NAS main board, a multi-gear mode change-over switch, a wireless transfer card and a USB extension line, wherein the data transfer circuit and the multi-gear mode change-over switch are integrated on the NAS main board; the data migration circuit comprises a first USB female head, a first USB deconcentrator, a memory A for storing a source computer starting system and migration programs, a first Ethernet card, a second Ethernet card, a third Ethernet card, a memory B for storing a target computer starting system and migration programs, a second USB deconcentrator and a second USB female head, wherein the first USB female head and the second USB female head are fixed on a shell; the USB connector of the first USB deconcentrator is connected with the first USB female connector, the memory A, the first Ethernet card and the third Ethernet card are connected to the first USB deconcentrator, the USB connector of the second USB deconcentrator is connected with the second USB female connector, the second Ethernet card and the memory B are connected to the second USB deconcentrator, and the first Ethernet card and the second Ethernet card are directly connected through a network cable; the NAS main board is provided with a hard disk interface, a fourth Ethernet card, a fifth Ethernet card and a wireless network card, wherein the hard disk interface is connected with the first USB deconcentrator, and the fourth Ethernet card is directly connected with the third Ethernet card through a network cable and is used for synchronously backing up migration data from a source computer to the NAS main board in the data migration process between the source computer and a target computer; the wireless network card is used for establishing a wireless hot spot and starting a wireless routing function; the fifth Ethernet card is connected with an Ethernet port arranged on the shell; the data communication state of the first Ethernet card and the second Ethernet card, the data communication state of the third Ethernet card and the fourth Ethernet card, and the data communication state of the hard disk interface and the first USB deconcentrator are controlled by selecting different gears of the multi-gear mode change-over switch;

The wireless migration card comprises a source computer terminal and a target computer terminal wireless migration card, the source computer terminal and the target computer terminal wireless migration card enable the source computer terminal and the target computer terminal to carry out wireless network communication through a wireless hot spot established by connecting a wireless network card on a NAS main board, and data migration between the source computer and the target computer is carried out in a wireless mode;

the number of the USB extension lines is two, one USB extension line is connected with the first USB female head, and the other USB extension line is connected with the second USB female head;

the multi-gear mode change-over switch is provided with five gears, namely a USB shifter gear, an external hard disk box gear, a NAS gear, a NAS+USB shifter gear and a NAS+wireless shifter gear, and corresponds to different working modes of the multifunctional computer data storage and shifting device;

when the multi-gear mode change-over switch is positioned at a gear of the USB shifter, the NAS main board is in a power-off state, the data shifting circuit is in a communication state, and the multifunctional computer data storage and shifting device is only used for data shifting, and the working mode of the multifunctional computer data storage and shifting device is the USB shifter mode;

when the multi-gear mode change-over switch is positioned at the gear of the external hard disk box, the circuits of the second USB female head and the second USB deconcentrator are in a non-communication state, namely the data migration circuit is in a non-communication state, the third Ethernet card and the fourth Ethernet card are in a non-communication state, the first USB deconcentrator is in a communication state only with the hard disk interface on the NAS main board, and the working mode of the multifunctional computer data storage and migration device is a USB hard disk box mode;

When the multi-gear mode change-over switch is positioned at a NAS gear, the NAS main board is in an electrified state, the circuits of the first USB female head and the first USB deconcentrator are in a non-communicated state, the circuits of the second USB female head and the second USB deconcentrator are in a non-communicated state, namely, the data migration circuit is in a non-communicated state, the third Ethernet card and the fourth Ethernet card are in a non-communicated state, the wireless network card, the hard disk interface, the fourth Ethernet card and the fifth Ethernet port arranged on the NAS main board are in an open state, the NAS main board and the NAS operating system running on the NAS main board provide NAS service, and the working mode of the multifunctional computer data storage and migration device is the NAS mode;

when the multi-gear mode change-over switch is positioned at a gear of the NAS+USB shifter, the NAS main board is in an electrified state, a circuit between a hard disk interface and a first USB deconcentrator is in a non-communicated state, the third Ethernet card and the fourth Ethernet interface are in a communicated state, and the data shifting circuit is in a communicated state and is used for carrying out data shifting between a source computer and a target computer in a wired mode; the NAS mainboard and a NAS operating system running on the NAS mainboard provide NAS service, and in the process of data migration, the migrated data is synchronously backed up to the NAS mainboard in the process of completing data migration through the wired connection established by the third Ethernet card and the fourth Ethernet card; the working mode of the multifunctional computer data storage and migration device is NAS+USB migration device mode;

When the multi-gear mode change-over switch is positioned at a gear of the NAS+ wireless migration device and a source computer side wireless migration card and a target computer side wireless migration card are used, the NAS main board is in an electrified state, the data migration circuit is in a non-communicated state, the third Ethernet card and the fourth Ethernet card are in a non-communicated state, and the NAS main board and a NAS operating system running on the NAS main board provide NAS services; the wireless network card on the NAS main board is used for starting a wireless hot spot and providing a wireless routing function, so that the wireless network card C and the wireless network card D in the wireless migration card of the source computer end and the wireless migration card of the target computer end are connected to the wireless hot spot started by the wireless network card on the NAS main board, the source computer end and the target computer end perform wireless communication, data migration between the source computer and the target computer is performed in a wireless mode, and meanwhile, data in the migration process is backed up to the NAS main board through wireless communication; the working mode of the multifunctional computer data storage and migration device is NAS+wireless migration device mode.

2. A multi-function computer data storage and migration apparatus as claimed in claim 1, wherein: the source computer end wireless migration card comprises a card shell C, wherein a USB deconcentrator C, a memory C for storing a source computer starting system and migration programs, a wireless network card C and a USB male head C extending out of the card shell C are arranged in the card shell C, a USB connector of the USB deconcentrator C is connected with the USB male head C, and the memory C and the wireless network card C are connected to the USB deconcentrator C; the target computer end wireless migration card comprises a card shell D, wherein a USB deconcentrator D, a memory D for storing a target computer starting system and migration programs, a wireless network card D and a USB male head D extending out of the card shell D are arranged in the card shell D, a USB connector of the USB deconcentrator D is connected with the USB male head D, and the memory D and the wireless network card D are connected to the USB deconcentrator D.

3. A multi-function computer data storage and migration apparatus as claimed in claim 1, wherein: the two USB extension lines are double male wires, and the connection mode of the two USB extension lines and the first USB female head and the second USB female head is free plug-in connection; the first USB female head and the second USB female head of the shell are provided with identifiers respectively used for identifying and connecting a source computer or a target computer; the wireless migration card of the source computer end is provided with an identifier for identifying a connection source computer, and the wireless migration card of the target computer end is provided with an identifier for identifying a connection target computer.

4. A multi-function computer data storage and migration apparatus as claimed in claim 2, wherein: the USB deconcentrator C, the memory C, the wireless network card C and the USB male head C are integrated on the 1# PCB by adopting an integrated circuit technology, are arranged in the card shell C, and extend the USB male head C out of the card shell C; the USB deconcentrator D, the memory D, the wireless network card D and the USB male head D are integrated on the 2# PCB board by adopting an integrated circuit technology and are arranged in the card shell D, and the USB male head D extends out of the card shell D.

5. A data migration method using the multi-function computer data storage and migration apparatus of any one of claims 1 to 4, characterized by: the working mode of the data storage and migration device of the multifunctional computer is any one of a USB (universal serial bus) migration device mode, a NAS+USB migration device mode and a NAS+wireless migration device mode by switching gears of a multi-gear mode switching switch, and data migration or data migration and data backup between two computers are carried out in a selected mode;

When the working mode of the multifunctional computer data storage and migration device is a USB migration device mode, the data migration method comprises the following steps:

s1, gear selection and equipment connection: the method comprises the steps that a gear of a multi-gear mode switching switch is arranged at a gear of a USB shifter, a source computer and a target computer are not connected with USB storage equipment, and the source computer and the target computer are respectively connected with a first USB female head and a second USB female head of a data storage and shifting device of a multifunctional computer through two USB lines;

s2, pairing migration programs: before data starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A and a target computer migration program on a memory B, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP protocol after successful pairing, and automatically closing a pairing state;

S3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; when one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step S2, and the other computer automatically works in the other mode;

s4, data migration: after the working modes of the two migration programs are determined, a data migration stage is entered, at this time, the migration program of the target computer end working in the target computer mode enters a waiting state, the migration program of the source computer end working in the source computer mode enters a file selection state, after the selection and confirmation of files to be migrated are carried out on the source computer by a user, a migration instruction is sent out through a TCP channel established in the step S2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file after receiving the migration list and stores the list file in a temporary folder for data comparison in a data migration process and a later stage, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a confirmation button is clicked, the migration program starts entering the data migration state, the integrity of each piece of data is checked, and the migration program is retransmitted for the files with errors, and after all the files are migrated, the next stage is entered;

S5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration;

when the working mode of the multifunctional computer data storage and migration device is NAS+USB migration mode, the data migration method comprises the following steps:

l1, gear selection and equipment connection: the method comprises the steps that a gear of a multi-gear mode switching switch is arranged in a gear of a NAS+USB migration device, a working power supply of a data storage and migration device of a multifunctional computer is started, a source computer and a target computer are not connected with USB storage equipment, and the source computer and the target computer are respectively connected with a first USB female head and a second USB female head of the data storage and migration device of the multifunctional computer through two USB wires;

l2, migration program pairing: before data starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a memory A and a target computer migration program on a memory B, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP protocol after successful pairing, and automatically closing a pairing state;

L3, device mode determination: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step L2, and the other computer automatically works in the other mode;

l4, data migration and backup: after the working modes of two migration programs are determined, a data migration stage is entered, at this time, a migration program of a target computer end working in a target computer mode enters a waiting state, a migration program of a source computer end working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after checking the check box by the user, a migration instruction is sent out through a TCP channel established in the step L2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked to enter the data migration state, in the data migration process, migration data is synchronously enabled to be migrated on the main board, and after all the files are completely migrated, and all the migration programs are completely transferred;

L5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration;

when the working mode of the multifunctional computer data storage and migration device is NAS+wireless migration mode, the data migration method comprises the following steps:

m1, gear selection and equipment connection: the method comprises the steps that the gear of a multi-gear mode switch is arranged in a gear of a NAS+wireless migration device, a working power supply of a data storage and migration device of a multifunctional computer is started, a source computer and a target computer are not connected with USB storage equipment, and wireless migration cards of the source computer end and the target computer end are respectively inserted into USB ports of the source computer and the target computer;

m2, migration program pairing: before data starts to migrate, respectively setting a source computer and a target computer as a USB flash disk to start through BIOS, restarting the source computer and the target computer, starting a source computer migration program on a storage C and a target computer migration program on a storage D, and displaying a random connection code and a connection password on a data migration interface of the source computer and the target computer in a waiting pairing state, wherein the two migration programs are bound to fixed ports through TCP protocol to wait for connection; then inputting a connection code and a connection password of the other computer in a data migration interface of the source computer or the target computer, pairing migration programs on the two computers, establishing a stable connection channel between the source computer and the target computer through a TCP protocol after successful pairing, and automatically closing a pairing state;

M3, determining a device mode: after the pairing of the two migration programs is completed, the migration programs on the two computers enter a device mode determining stage, and options for determining the device mode are displayed on a data migration interface of the two computers; the migration program of the source computer end and the migration program of the target computer end have two working modes, namely a source computer mode and a target computer mode, wherein the migration program on the source computer should select the source computer mode, and the migration program on the target computer should select the target computer mode; after one computer makes a mode selection, the other computer is informed of the other computer through the TCP channel established in the step M2, and the other computer automatically works in the other mode;

m4, data migration and backup: after the working modes of two migration programs are determined, a data migration stage is entered, at this time, a migration program of a target computer end working in a target computer mode enters a waiting state, a migration program of a source computer end working in a source computer mode enters a file selection state, after a user selects and confirms a file to be migrated on the source computer, at this time, whether a check box for synchronously backing up the file to be migrated to an NAS appears on a data migration interface, after checking the check box by the user, a migration instruction is sent out through a TCP channel established in the step M2, the migration program of the source computer end automatically generates a migration list according to data items selected by the user, the migration program of the target computer end automatically generates a migration list and sends the migration program to the target computer end, the migration program of the target computer end analyzes the list file and stores the migration list in a temporary folder for data comparison in a data migration process and a later data comparison use, then a data migration interface on the target computer pops up a dialogue box for selecting a file storage position, after the storage position selection is completed, a backup button is clicked to enter the data migration state, in the data migration process, migration data is synchronously enabled to be migrated on the main board, and after all the files are completely migrated, and all the migration programs are completely transferred;

M5, data verification and report export: after the data migration is completed, the migration program of the target computer side compares and verifies the data, the missing and comparison error data is retransmitted again, and after the transmission is completed, the migration program of the target computer side derives a migration report to complete the data migration.

6. A method of data migration as claimed in claim 5, wherein: the migration list comprises a data list to be migrated, a file name and an md5 value corresponding to each piece of data and a data size; and retransmitting the file with the migration error in the data migration process, and discarding retransmission after three transmission attempts are failed.

7. A method of data migration as claimed in claim 5, wherein: after the data migration is completed, the migration program of the target computer end compares and verifies the migrated data according to a file list on a migration list received before data transmission and the md5 value of each file; the statistical information of the migration report contains a file list with successful migration, a file list with failed migration and the data quantity of migration.