TWI473005B - Switch-based hybrid storage system and the providing method thereof - Google Patents

Description

Switch-based hybrid storage system and method of providing same

The present invention relates to a switch-based hybrid storage system and a method of providing the same, and more particularly to a switch-based hybrid storage system for a semiconductor memory device and a method of providing the same.

As the demand for larger computer storage increases, more effective solutions need to be explored. For this reason, there are various hard disk solutions that store/read data mechanically, such as data storage media, but the data processing speed of hard disks is often slow. In particular, in the existing solution, as an interface between the data storage medium and the host, an interface that cannot satisfy the data processing speed of the memory disk having high-speed data registration/output performance is still employed. Therefore, prior art solutions do not make good use of the performance of the memory disk.

In order to solve the above problems, the present invention provides a switch-based hybrid storage system and a method of providing the same. In a representative embodiment, the first RAID controller is coupled to the system control board, and the Double Data Rate Semiconductor Storage Device (DDR SSD) module is coupled to the first RAID. Controller. The DDR SSD module includes a set of DDR SSD components. In addition, the first switch and the second switch are combined on the system control board. A second RAID controller incorporating a Hard Disk Drive (HDD) module is coupled to the first switch. The HDD module includes a set of HDD/flash memory SDD components. In addition, a communication module including at least one set of ports is combined on the second switch.

In order to solve the above problems in the prior art and achieve the above object, the first embodiment of the switch-based hybrid storage system and the method for providing the same includes: a first RAID controller, combined with a control board; a DDR SSD module, combined The first RAID controller includes a double data rate semiconductor storage device (DDR SSD); the first switch is coupled to the system control board; and the second RAID controller is coupled to The first chip; the HDD module is coupled to the second RAID controller and includes a set of Hard Disk Drive (HDD)/Flash memory SDD components; and the second switch is coupled to the system control board And a communication module coupled to the second switch described above.

In the first embodiment, the first RAID controller and the second RAID controller are PCI-Express (PCI-E) based RAID controllers.

In addition, a power supply unit coupled to the system control board is further included, and a battery module coupled to the HDD module is further included.

In addition, the system control board includes: a first wafer coupled to the first processor; a second wafer coupled to the second processor; and a third wafer coupled to the first wafer.

In addition, the above communication module includes a plurality of ports.

In addition, the first RAID controller and the second RAID controller respectively include: RAID A controller CPU; a chip coupled to the RAID controller CPU; and an input/output (I/O) connector coupled to the wafer.

Here, the first RAID controller and the second RAID controller each include a parity and cache control element.

Here, the second embodiment of the present invention includes: a first RAID controller, coupled to a system control board including a plurality of processors and a plurality of chips; a DDR SSD module coupled to the first RAID controller and including a set of DDR SSD components; a first PCI-Express switch coupled to the system control board; a second RAID controller coupled to the first PCI-Express switch; the HDD module coupled to the second RAID controller and including a set An HDD/flash memory SDD component; a second PCI-Express switch coupled to the system control board; and a communication module coupled to the second PCI-Express switch.

In the second embodiment, the first RAID controller and the second RAID controller are PCI-Express based RAID controllers.

In addition, a power supply unit coupled to the system control board is further included, and a battery module coupled to the HDD module is further included.

In addition, the system control board includes: a first chip coupled to the first processor; a second chip coupled to the second processor; and a third chip coupled to the first chip; and the communication module includes a plurality of port.

In the second embodiment, the first RAID controller and the second RAID controller each include: a RAID controller CPU; a chip coupled to the RAID controller CPU; and an input/output (I/O) connection. The device is bonded to the above wafer.

Here, the first RAID controller and the second RAID controller each include a parity and a cache control component.

Here, a switch-based hybrid storage system providing method according to a third embodiment of the present invention includes the steps of: combining a first RAID controller with a system control board; and combining a DDR SSD module including a set of DDR SSDs into the foregoing a RAID controller; combining the first switch with the system control board; bonding the second RAID controller to the first chip; and combining the HDD module including a set of HDD/flash memory SDD components to the second a RAID controller; a second switch coupled to the system control board; and a communication module coupled to the second switch.

In the third embodiment, the first RAID controller and the second RAID controller are PCI-Express based RAID controllers.

In addition, the method further includes the step of coupling the power supply unit to the system control board, and further includes the step of bonding the battery module to the HDD module.

According to the above features of the present invention, the present invention provides a switch-based hybrid storage device system and a method of providing the same.

100‧‧‧SSD (memory disk unit)

102‧‧‧ midplane

104‧‧‧Communication module

106‧‧‧Control panel

108A-N‧‧‧RAID controller

110‧‧‧DDR SSD Control Module

112A-N‧‧‧HDD Module

114‧‧‧Fan module

118‧‧‧Power Supply Department

120‧‧‧Battery module

122A-N‧‧‧DDR SSD parts

124A-N‧‧‧HDD/Flash Memory SSD Parts

126A-N‧‧‧埠

130A-N‧‧‧Nth processor

132A-N‧‧‧Nth wafer

134‧‧‧I/O Adapter/Interface

136‧‧‧External devices

138A-N‧‧‧DDR34 Memory Department

141A-N‧‧‧ switch

200, 202‧‧‧ face

300‧‧‧Control Department

302‧‧‧DMA controller

304‧‧‧ECC controller

306‧‧‧Memory Controller

400‧‧‧Auxiliary Power Supply Department

500‧‧‧Power Control Department

600A‧‧‧Backup and Storage Department

600B‧‧‧ Data Backup Department

602‧‧‧ memory

604‧‧‧ memory block

700‧‧‧Backup Control Department

800‧‧‧RAID controller

802‧‧‧RAID Control CPU

808‧‧‧ wafer

806A-N‧‧‧Input/Output Connectors

808‧‧‧Equivalent and cache control module

810‧‧‧ battery module

812A-N‧‧‧ memory module

900‧‧‧Status Monitor

1 is a schematic diagram showing the structure of a PCI-Express (PCI-e) type RAID-controlled storage device according to an embodiment of the present invention; FIG. 2 is a schematic diagram of a RAID controller combined with a set of SSDs; FIG. 3 is an embodiment of the present invention; FIG. 4 is a schematic diagram of a RAID controller shown in FIG. 3 according to an embodiment of the present invention. FIG.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. The present invention can be implemented in various ways and is not limited by the preferred embodiments in the specification. In addition, in the drawings, the same reference numerals are used to refer to the same elements, and the meanings of all the terms used in the present specification are the same as those generally understood by those skilled in the art unless otherwise specified. In the following, SSD refers to a semiconductor memory device. DDR refers to double data rate (Double Data Rate). In addition, HDD refers to a hard disk drive (Hard Disk Drive).

The terminology used in the description is for the purpose of illustration and description. In particular, when used in this specification, RAID refers to a repeating array of independent magnetic sheets (originally referred to as a repeating array of low-cost magnetic sheets). In general, RAID technology is the way to store the same data at different locations (and therefore, repeatedly) on multiple hard disks. By storing data on multiple floppy disks, I/O (input/output) operation can be repeated in a balanced manner to improve performance. Since multiple floppy disks increase the mean time between failures, repeated storage of data can also improve fault tolerance.

Hereinafter, a serial small computer system interface/series advanced technology access (PCI-Express) type RAID storage system in an embodiment will be described in detail with reference to the accompanying drawings.

As described above, the present invention relates to semiconductor memory devices, and more particularly to switch-based hybrid memory systems. In a first embodiment of the invention, the first RAID controller is coupled to the system control board and the DDR SSD module is coupled to the first RAID controller. The DDR SSD module includes a set of DDR SSD components. In addition, the first switch and the second switch are combined on the system control board. A second RAID controller incorporating the HDD module is coupled to the first switch. The HDD module includes a set of HDD/flash memory SDD components. In addition, a communication module including a set (at least one) of 埠 is combined on the second switch.

Serial small computer system interface/series advanced technology access (PCI-Express) type storage device, in the process of data communication between the host and the memory disk, synchronously send/receive between the host and the memory disk The data signal supports the low-speed data processing speed of the host and supports the data processing speed of the memory disk to support the memory performance in the prior art interface environment to maximize the high-speed data processing. In a preferred embodiment, PCI-Express technology can be utilized without limitation. For example, in the present invention, SAS/SAIA technology that provides a SAS/SAIA type of memory device utilizing a SAS/SAIA interface can be utilized.

FIG. 1 is a schematic diagram showing the structure of a PCI-Express type RAID control type storage device for providing a storage device for a serial computer device according to an embodiment of the present invention. As shown in the figure, FIG. 1 is a RAID control type PCI-Express type storage device according to an embodiment of the present invention, comprising: a plurality of memory magnetic disk portions 100 including a plurality of volatile semiconductor memories having a high speed SSD 100; a plurality of memory disks; a RAID controller 800 coupled to the SSD 100; a dielectric interface 200 connecting the memory disk portion and the host; a control unit 300; and an auxiliary power supply unit 400 for transmitting from the host through the interface 200 The power is charged to maintain a constant power; the power supply control unit 500 supplies the power transmitted from the host through the interface 200 to the control unit 300, the memory disk unit 100, the backup storage unit 600, and the backup control unit 700, and passes through The power transmitted from the host device 200 is interrupted, or when the power transmitted from the host computer is incorrect, the power is received from the auxiliary power supply unit 400 and supplied to the memory magnetic disk unit 100 and the backup control unit 700 through the control unit 300; the backup storage unit 600, the data of the memory disk unit 100 is saved; and the backup control unit 700 saves the memory in the memory according to an instruction from the host or when an error occurs in the power transmitted from the host. Data backup to the backup unit 100 storage unit 600A.

The memory magnetic disk unit 100 includes a plurality of memory magnetic sheets including a plurality of volatile semiconductor memories (DDR, DDR2, DDR3, SDRAM, etc.) for high-speed data registration/output, and is input according to control of the control unit 300/ Output data. The memory magnetic sheet portion 100 allows the memory magnetic sheets to be arranged in parallel.

The interface 200 is connected between the host and the memory disk unit 100. The host computer can be a computer system with a PCI-Express interface and a power supply unit.

The control unit 300 adjusts the synchronization of the material signals transmitted/received between the interface portion 200 and the memory magnetic sheet portion 100 to control the data transmission/reception speed between the interface portion 200 and the memory magnetic sheet portion 100.

2 is a more detailed schematic diagram of a RAID control type SSD 810. As shown, the PCI-e type RAID controller 800 can be directly coupled to any number of SSDs 100. This can in particular achieve optimal control of the SSD 100. In particular, the use of the RAID controller 800 has the following effects:

1. Support current backup/restore operation.

2. Provide improved backup functions by completing the following items: a) Whether the backup is determined by the internal backup control unit (the user invites the command or the status monitor to determine the power problem); b) the internal backup control department invites the SSD to the SSD. Data backup; c) The internal backup control unit sends an invitation to the internal backup device to immediately back up the data; d) monitors the status of the backup to the SSD and the internal backup control unit; e) reports the status of the internal backup control unit and ends the operation.

3. Provide improved recovery functions by completing the following items: a) Restoration by the internal backup control unit (by the user invitation command or status monitor to determine the power problem); b) Inviting the SSD to the SSD by the internal backup control department Data recovery; c) The internal backup control unit sends an invitation to the internal backup device to immediately restore the data; d) monitors the recovery of the SSD and the status of the internal backup control unit; e) reports the status of the internal backup control unit and ends the operation.

FIG. 2 is a schematic diagram showing the structure of the high speed SSD 100. FIG. 2 is a schematic diagram showing the structure of the high speed SSD 100. As shown, the SSD/memory disk unit 100 includes a host interface 202 (this may be the interface 200 of FIG. 1 or an individual interface as shown); the DMA controller 302 is coupled to the backup control unit 700; The ECC controller 304; and the memory controller 306 control one or more blocks 604 of the memory 602 used as the high speed storage device.

3 is a schematic diagram of a switch-based hybrid storage system of the present invention, and FIG. 4 is a schematic diagram of the RAID controller of FIG. As shown in Figures 3 through 4, the access/components are of course of the PCI-Express type. The system of the present invention includes a system control board 106 in combination with switches 140A-N and RAID controllers 108A-N. One or both of the RAID controllers 108A can be directly coupled to the system control board 106. In this manner, the RAID controllers 108A-B can be PCI-E for PCI-E based RAID controllers, and one of them can be PCI-E for SAS/SAIA based RAID controllers. In either case, the system control board is incorporated in the power supply unit 118. In addition, as shown, The DDR SSD module 110 can be combined with one or two RAID controllers 108A-B, and the DDR SSD module 110 is coupled to the RAID controller 108A. In general, DDR SSD module 110 includes a set of DDR SSD (memory) components 122A-N. As shown, the battery module 120 can be coupled to the DDR SSD module 110.

As shown, the system control board 106 includes a first die 132A (eg, an IOH) coupled to a first processor 130A (eg, the Intel Xenon Quad-Core 5520 series); a second die 132B (eg, an IOH). , coupled to the second processor 130N (eg, Intel Xenon Quad-Core 5520 series); and a third wafer 132N (eg, ICH 10R), coupled to the first wafer 132A. Moreover, DDR34 memory portions 138A-N can be coupled to one or both processors 130A-N. In addition, in the system control board 106 as shown, an I/O adapter/interface 134 and an external device 136 (e.g., card, etc.) coupled to the third wafer 132N are provided. Although not shown, the wafers 132A-B may include a Multi PCI-E Gen2x16 interconnect. At least one (eg, PCI-E and/or SAS/SAIA) RAID controller 108C-N is coupled to switch 140A and coupled to HDD module 112. In general, HDD module 112 includes a set of HDD/fast Flash memory SDD (memory) components 124A-N. In general, a communication module 104 including a set of ports 126A-N is coupled to switch 140N.

The RAID controllers 108A-N are described in more detail below in conjunction with FIG. As shown, the RAID controllers 108A-N include: a RAID controller CPU 802; a die 804 coupled to a RAID controller CPU 802; and a set of input/output (I/O) connectors 806A-N (MOLEX), combined On wafer 804. In addition, the parity and cache control module 808 can be coupled to the RAID controller CPU 802, and the battery module 810 can be coupled to the parity and cache control module 808. Additionally, as shown, the memory modules 812A-N can be coupled to the RAID controller CPU 802.

Further, as shown in FIG. 1, the auxiliary power supply unit 400 can be charged by a power source that is transferred from the host through the dielectric unit 200 by a rechargeable battery or the like, and is maintained in accordance with the control of the power supply control unit 500. The charged power is supplied to the power source control unit 500.

The power supply control unit 500 supplies power transmitted from the host through the interface 200 to the control unit 300, the memory magnetic disk unit 100, the backup storage unit 600, and the backup control unit 700.

In addition, when the power transmitted from the host through the interface 200 is interrupted, or the host power supply error occurs due to the power transmitted from the host exceeding the threshold, the power supply control unit 500 receives power from the auxiliary power supply unit 400 and supplies the power through the control unit 300. To the memory magnet portion 100.

The backup storage unit 600 is composed of a low-speed volatile storage device such as a hard disk and stores the data of the memory magnetic disk unit 100.

The backup control unit 700 controls the data registration/output of the backup storage unit 600 to back up the data stored in the memory disk unit 100 to the backup storage unit 600, and based on the instruction from the host or the power transmitted from the host. When the host power supply error occurs due to the threshold value, the data stored in the memory magnetic disk unit 100 is backed up in the backup storage unit 600.

In the process of data communication between the host and the memory magnetic disk through the PCI-Express interface, the present invention synchronizes the data signals transmitted/received between the host and the memory magnetic disk, thereby supporting the low-speed data processing speed of the host. At the same time, it supports the memory processing speed of the memory disk to support the memory performance in the prior art interface environment to maximize the high-speed data processing.

The above embodiments are merely illustrative of the invention and are not limiting, and those of ordinary skill in the art It is understood that modifications, variations, or equivalents may be made to the invention. The spirit and scope of the invention should be construed as being included in the scope of the appended claims.

100‧‧‧SSD (memory disk unit)

200‧‧‧ face

300‧‧‧Control Department

400‧‧‧Auxiliary Power Supply Department

500‧‧‧Power Control Department

600A‧‧‧Backup and Storage Department

600B‧‧‧ Data Backup Department

700‧‧‧Backup Control Department

800‧‧‧RAID controller

900‧‧‧Status Monitor

Claims (18)

A switch-based hybrid storage system, comprising: a first RAID controller directly connected to a system control board; a DDR SSD module coupled to the first RAID controller and including a set of double data rate semiconductors a first switch located outside the system control board and coupled to the system control board; the second RAID controller is directly connected to the first switch to enable the foregoing The second RAID controller is indirectly connected to the system control board through the first switch; the HDD module is coupled to the second RAID controller and includes a set of hard disk drives (HDD)/flash a memory SDD component; a second switch located outside the system control board and coupled to the system control board; and a communication module coupled to the second switch, wherein the first RAID controller and the second RAID controller Each includes a parity and cache control element; a RAID controller CPU; and a battery module, and wherein the co-located and cache control elements are directly coupled The battery module is coupled to the RAID controller CPU and the battery module is directly coupled to the co-located and cache control elements. The switch-based hybrid storage system of claim 1, wherein the first RAID controller and the second RAID controller are PCI-Express (PCI-E) based RAID controllers. The switch-based hybrid storage system of claim 1, wherein: Also included is a power supply unit that is coupled to the system control board described above. The switch-based hybrid storage system of claim 1, wherein: further comprising a battery module coupled to the HDD module. The switch-based hybrid storage system of claim 1, wherein: the system control board comprises: a first chip coupled to the first processor; a second chip coupled to the second processor; A three wafer is bonded to the first wafer. The switch-based hybrid storage system of claim 1, wherein the communication module comprises a plurality of ports. The switch-based hybrid storage system of claim 1, wherein: the first RAID controller and the second RAID controller each include: a RAID controller CPU; a chip, coupled to the RAID controller CPU; And an input/output (I/O) connector that is bonded to the above wafer. A switch-based hybrid storage system, comprising: a first RAID controller directly connected to a system control board including a plurality of processors and a plurality of chips; and a DDR SSD module coupled to the first RAID control And comprising a set of DDR SSD components; a first PCI-Express switch located outside the system control board and coupled to the system control board; and a second RAID controller directly connected to the first PCI-Express switch to enable the The second RAID controller is indirectly connected to the system control board through the first PCI-Express switch; the HDD module is coupled to the second RAID controller and includes a set of HDD/flash memory a second PCI-Express switch, located outside the system control board and coupled to the system control board; and a communication module coupled to the second PCI-Express switch, wherein the first RAID controller and the foregoing The two RAID controllers respectively include a parity and cache control component; a RAID controller CPU; and a battery module, and wherein the parity and cache control components are directly coupled to the RAID controller CPU and the battery module Directly coupled to the co-located and cache control elements described above. The switch-based hybrid storage system of claim 8, wherein: the first RAID controller and the second RAID controller are PCI-Express based RAID controllers. The switch-based hybrid storage system of claim 8, wherein: further comprising a power supply unit coupled to the system control board. The switch-based hybrid storage system of claim 8, wherein: further comprising a battery module coupled to the HDD module. The switch-based hybrid storage system of claim 8, wherein: the system control board comprises: a first chip coupled to the first processor; a second chip coupled to the second processor; A three wafer is bonded to the first wafer. The switch-based hybrid storage system of claim 8, wherein the communication module comprises a plurality of ports. The switch-based hybrid storage system of claim 8, wherein: the first RAID controller and the second RAID controller each include: a RAID controller CPU; The chip is coupled to the above RAID controller CPU; and a set of input/output (I/O) connectors are incorporated in the above wafer. A switch-based hybrid storage system providing method includes the steps of: directly bonding a first RAID controller to a system control board; and combining a DDR SSD module including a set of DDR SSDs with the first RAID controller; a switch is coupled to the system control board outside the system control board; the second RAID controller is directly coupled to the first switch to enable the second RAID controller to be indirectly connected to the system control through the first switch a HDD module including a set of HDD/flash memory SDD components is coupled to the second RAID controller; a second switch is coupled to the system control board outside the system control board; and the communication module is combined In the above second switch, the first RAID controller and the second RAID controller each include a parity and cache control component; a RAID controller CPU; and a battery module, and the same The cache control component is directly coupled to the RAID controller CPU and the battery module is directly coupled to the co-located and cache control components. The switch-based hybrid storage system providing method according to claim 15, wherein the first RAID controller and the second RAID controller are PCI-Express based RAID controllers. The switch-based hybrid storage system providing method according to claim 15, wherein the method further comprises the step of coupling the power supply unit to the system control board. The switch-based hybrid storage system providing method according to claim 15, wherein the method further comprises the step of bonding the battery module to the HDD module.