CN105634779B - Operation processing method and device of main and standby equipment - Google Patents

Abstract

The present invention provides an operation processing method and device for active and standby equipment, wherein the method includes: after determining that the active equipment and the first standby equipment are out of contact, the active equipment detects the links between the active equipment and other equipment At the same time, the first backup device detects the link connectivity between the first backup device and other devices, wherein the other devices are in the cluster system where the master device and the first backup device are located. Devices other than the active device and the backup device; the active device processes the operation of the active device and/or the first backup device according to the detection result of the link connectivity, and the first backup device processes the operation of the primary device and/or the first backup device according to the detection result of the link connectivity The operation of the primary device and/or the first backup device is handled. By adopting the above technical solution, the problem in the related art that the stability of the system is reduced due to not distinguishing whether it is a node failure or a link failure is solved, thereby achieving the effect of enhancing the system stability.

Description

Operation processing method and device of main and standby equipment

technical field

The present invention relates to the communication field, in particular, to a method and device for operating and processing master and backup equipment.

Background technique

In a cluster system, the general bearer is usually configured in the form of active equipment and standby equipment. Wherein, the active device mainly performs related functions; and the standby device exists as a backup of the active device. When the primary device is down, the backup device will be upgraded to the primary device to take over the work of the original primary device to maintain uninterrupted business. When the backup device is down, the primary device will reselect a new backup device. Based on the above technical solution, the stability of the system enhanced by the cooperation of the active equipment and the standby red shell.

In the prior art, heartbeat messages are generally used to keep alive between the active device and the standby device of the cluster system. When the node keep-alive of the active device and the standby device fails, it is impossible to confirm whether it is a node failure or a link failure, which leads to the evolution of the active device and the backup device along the wrong path. , it will consider that the other party has an abnormality, and start the operation of upgrading the backup device to the active device or reselecting the backup device. However, when the keep-alive link between the active device and the backup device is disconnected and restored, the system may evolve into a "dual-active" (that is, the backup device will also switch to the active device, but the original active device is still in use. running). At present, in the related technologies on the market, after dual masters appear on the cluster devices, the system is generally restored by restarting the system, but this will reduce the stability of the system and make the user experience poor.

In the related technology, after the main device and the backup device lose connection, since it is impossible to distinguish whether it is a node failure or a link failure, the backup device will directly convert to the master device, causing two master devices to run in the system, reducing the The problem of system stability and poor user experience has not been proposed yet.

Contents of the invention

In order to solve the above technical problems, the present invention provides an operation processing method and device for master and backup equipment.

According to one aspect of the present invention, there is provided an operation processing method of a master device, including: after determining that the master device loses contact with the first backup device, the master device detects the link between the master device and other devices At the same time, the first backup device detects the link connectivity between the first backup device and other devices, wherein the other devices are in the trunking system where the active device and the first backup device are located , a device other than the active device and the first backup device; The operation is processed, and the first backup device processes the operation of the active device and/or the first backup device according to the detection result of the link connectivity.

Preferably, the active device processes the operation of the active device and/or the first backup device according to the detection result of the link connectivity, including: when the active device detects that the link When the link is connected, replace the first backup device with the second backup device; when the active device detects that the link is not connected, prohibit the operation of the active device within a second predetermined period of time .

Preferably, the first backup device processes the operation of the master device and the first backup device according to the detection result of the link connectivity, including: when the first backup device detects that the link When the path is connected, it is judged whether the main equipment is running; when the main equipment is not running, the first backup equipment is used as the main equipment.

Preferably, when the master device is running, the first backup device is prohibited from running within a third predetermined time period.

Preferably, it is determined whether the active device is running in at least one of the following ways: notification by a third party other than the active device and the first backup device; message transmission on the forwarding plane by the first backup device Channel-specified information detection.

Preferably, the first backup device processes the operation of the master device and the first backup device according to the detection result of the link connectivity, including: when the first backup device detects that the link When the road is not connected, the first backup device is prohibited from running within the first predetermined time period.

Preferably, determining that the active device is out of contact with the first backup device includes: when the active device and/or the first backup device do not receive a keep alive message, determining that the active device and the first backup device The first backup device lost contact.

According to another aspect of the present invention, there is also provided an operation processing system for active and standby equipment, including: the active equipment, which is used to detect that the active equipment is disconnected from other active equipment after it is determined that the active equipment is out of contact with the first standby equipment. link connectivity of the device, and process the operation of the active device and/or the first backup device according to the detection result of the link connectivity, wherein the other devices are the active device and the first backup device. In the trunking system where the first backup device is located, a device other than the active device and the first backup device; the first backup device is used to detect the active device on the active device When there is link connectivity with other devices, detect the link connectivity between the first backup device and other devices, and perform a check on the active device and/or the first device according to the link connectivity detection result The operation of the standby device is handled.

Preferably, the master device is further configured to replace the first backup device with a second backup device when the master device detects that the link is connected; and when the master device detects that the link is When the link is not connected, prohibit the operation of the master device within a second predetermined time period.

Preferably, the first backup device is further configured to determine whether the active device is running when the first backup device detects that the link is connected; when the active device is not running, The first standby device is used as the active device.

According to the present invention, after the primary device and the backup device are out of contact, the primary device and the backup device simultaneously detect the link connectivity between each other and other devices in the cluster system, and then according to the detection results of the detected link connectivity The technical solution for processing by the main device and/or the backup device solves the problem that in related technologies, after the main device and the backup device lose connection, the backup device will directly switch to the main device because it cannot distinguish whether it is a node failure or a link failure. The use of equipment causes two main equipment to run in the system, which reduces the system stability and makes the user experience poor, which in turn enhances the system stability and improves the user experience.

Description of drawings

The accompanying drawings described here are used to provide a further understanding of the present invention and constitute a part of the application. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations to the present invention. In the attached picture:

FIG. 1 is a flow chart of an operation processing method of a master device and a backup device according to an embodiment of the present invention;

Fig. 2 is a structural block diagram of a cluster system according to a preferred embodiment of the present invention;

Fig. 3 is a schematic diagram of processing after the active and standby equipment detects link connectivity according to a preferred embodiment of the present invention;

Fig. 4 is a structural block diagram of an operation processing system of a master device and a backup device according to an embodiment of the present invention;

Fig. 5 is another structural block diagram of the operation processing system of the master device and the backup device according to the embodiment of the present invention.

Detailed ways

Hereinafter, the present invention will be described in detail with reference to the drawings and examples. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

In the related technology, when the active device and the backup device fail to keep alive, it cannot be confirmed that it is a device failure or a link failure, which may lead to the evolution of the active device and the backup device along the wrong path, that is, the backup device directly switches to the master device. The device causes the problem that there are two active devices in the system, and the following technical solution is provided.

In order to solve the above technical problems, this embodiment provides a method for processing the operation of the master and backup devices. Figure 1 is a flowchart of the method for processing the operation of the master and backup devices according to an embodiment of the present invention. As shown in Figure 1, the The process includes the following steps:

Step S102, after determining that the master device and the first backup device are out of contact, the master device detects the link connectivity between the master device and other devices, and at the same time, the first backup device detects the link connectivity between the first backup device and other devices. Road connectivity, wherein the above-mentioned other devices are devices other than the above-mentioned primary devices and the above-mentioned backup devices in the cluster system where the above-mentioned primary devices and the first backup devices are located;

Step S104, the master device processes the operation of the master device and/or the first backup device according to the detection result of the link connectivity, and the first backup device processes the operation of the master device according to the detection result of the link connectivity. device and/or the operation of the aforementioned first standby device is handled.

Through the above steps, after the primary device and the backup device lose connection, the primary device and the backup device simultaneously detect their link connectivity with other devices in the cluster system, and then according to the detection results of the detected link connectivity The technical solution for dealing with the main device and/or the backup device, after the connection between the main device and the backup device is lost, since it is impossible to distinguish whether it is a node failure or a link failure, the backup device will directly convert to the main device, causing The two main devices run in the system, which reduces the system stability and makes the user experience poor, and then achieves the effect of enhancing the system stability and improving the user experience.

The technical solution embodied in step S104 can be embodied in the following aspects in the embodiment of the present invention:

(1) The above-mentioned main device processes the operation of the above-mentioned main device and/or the above-mentioned first backup device according to the detection result of the above-mentioned link connectivity, including: when the above-mentioned main device detects that the above-mentioned link is connected, then replacing the first backup device with a second backup device; when the master device detects that the link is not connected, prohibiting the master device from running within a second predetermined time period.

(2) The first backup device processes the operation of the above-mentioned active device and the above-mentioned first backup device according to the detection result of the above-mentioned link connectivity, including: when the above-mentioned first backup device detects that the above-mentioned link is connected, then judge Whether the above-mentioned primary device is running; when the above-mentioned primary device is not running, use the above-mentioned first backup device as the primary device, and when the above-mentioned primary device is running, prohibit the above-mentioned first Standby equipment is running.

(3) The above-mentioned first backup device processes the operation of the above-mentioned active device and the above-mentioned first backup device according to the detection result of the above-mentioned link connectivity, including: when the above-mentioned first backup device detects that the above-mentioned link is not connected, then The operation of the above-mentioned first backup device is prohibited within a first predetermined period of time.

It should be noted that the above (1)-(3), that is, the active device processes the operation of the active device and/or the backup device according to the link connectivity, and the backup device processes the operation of the active device and/or the backup device according to the link connectivity. The processing process of/or the operation of the backup device can be combined with judgment. The judgment process of the main device and the judgment process of the backup device are not contradictory, and the two processes can coexist.

In fact, after the master device and the backup device lose contact, the master device side and the backup device side detect the connectivity of the link at the same time, and when the master device detects the connectivity of the link, when the master device detects the above-mentioned When the link is connected, the above-mentioned primary device replaces the above-mentioned first backup device with the second backup device, that is, the link does not fail, but the primary device and the backup device are still disconnected, then the above-mentioned first backup device exists failure, it needs to be replaced with the second backup device; when the above-mentioned main device detects that the above-mentioned link is not connected, the operation of the above-mentioned main device is prohibited within the second predetermined time period.

There are many ways for the backup device to judge whether the main device is running. In an optional example of the embodiment of the present invention, it is judged whether the above-mentioned main device is running by at least one of the following methods: through the above-mentioned main device and the above-mentioned second Notification by a third party outside the backup device; detection of specified information on the forwarding plane message transmission channel of the first backup device.

Optionally, in step S102, it may be determined that the master device and the first backup device are out of contact by performing the following process: when the master device and/or the first backup device do not receive a keep-alive message, determine that the The active device loses contact with the above-mentioned first backup device.

To sum up, the active device and the standby device calculate the connectivity of their own links based on the connectivity status with other devices in the system, where the value of connectivity is TURE(T), indicating that The link is connected, or FALSE (F), indicating that the link between the active device and the backup device is not connected.

In addition, two-way keep-alive and two-way detection are used between the active device and the backup device to ensure that both ends of the link perceive the status changes of the keep-alive link at the same time. If the keepalive fails in either direction, it is determined that the active device and the backup device are disconnected.

The above-mentioned technical solution provided by the embodiment of the present invention: After the primary device and the backup device lose connection, the primary and backup devices calculate the connectivity of their own links, and the calculation results may appear in the following four situations, as shown in Table 1 below:

Table I

Master (T) Master (F) Prepare (T) TT FT Prepare (F) TF FF

The following is a brief description of the above four situations:

a) TT, the connectivity detection of the active and standby equipment is both TURE(T);

The primary device selects a new backup device; the backup device detects whether the primary device is in place through a third-party mechanism. If the detection result is that the primary device is running, the backup device will be suspended for a preset period of time, and the detection result is the primary device. If it is not running, the standby device becomes the active device.

b) FT, the connectivity detection of the primary device is FALSE (F), and the connectivity detection of the backup device is TURE (T);

The primary device is suspended for a preset time; the standby device detects whether the primary device is running through a third-party mechanism. If the detection result is that the primary device is running, the backup device is suspended. Primary device.

c) TF, the connectivity detection of the primary device is TURE (T), and the connectivity detection of the backup device is FALSE (F);

The primary device selects a new backup device; the backup device is suspended.

d) FF, the primary and backup connectivity checks are both FALSE (F);

The active equipment and the standby equipment are suspended.

The above four situations can be roughly summarized as follows: no matter which one of the main equipment and the standby equipment detects that the connectivity is FASLE(F), the operation will be suspended within a predetermined period of time; is TURE(T), the active device selects a new standby device; the standby device detects whether the active device is running through a third-party mechanism, and if the detection result indicates that the active device is running, the standby device will be suspended; if the detection result is not active, then The backup device becomes the active device.

In order to better understand the above-mentioned technical solution after the main device and the standby device lose connection, the following description will be made in conjunction with preferred embodiments, but not limiting the embodiments of the present invention:

First, a brief description will be given of the cluster system in the preferred embodiment of the present invention. As shown in FIG. 2 , the cluster system is divided into several devices. For convenience of description, only three devices are described in FIG. 2 . Two-way keep-alive and two-way detection for the active device and the backup device. The primary device and the standby device perform connectivity detection with other devices in the system.

Among them, the primary device and the backup device perform connectivity detection with other devices in the system, using a message-based detection mechanism, which can adopt but not limited to the following schemes: communication link detection, such as TCP link, TIPC link, etc., asynchronous message Keeping alive, since the foregoing solution is a commonly used technical means in the related art, the embodiment of the present invention will not repeat it here.

Fig. 3 is a schematic diagram of the processing after the active and standby equipment detects the connection of the link according to a preferred embodiment of the present invention. message, the active device and the standby device receive and check the received message respectively. After detecting the disconnection of the primary and backup devices through the keep-alive message, the device whose connectivity detection is FASLE(F) restarts itself; the device whose connectivity detection is TRUE(T), if it is the primary device, selects a new backup device, and if it is the backup device The device detects whether the active device is running through a third-party mechanism. If the detection result shows that the active device is running, the backup device will be suspended. If the detection result is not that the active device is not running, the backup device will become the active device.

It should be noted that "in-position" in FIG. 3 can be understood as whether it is running, and "suicide" can be understood as not being used within a predetermined period of time.

In an embodiment of the present invention, an operation processing system of an active/standby device is also provided. FIG. 4 is a structural block diagram of an operation processing system of an active/standby device according to an embodiment of the present invention. As shown in FIG. 4 , it includes:

The master device 40 is configured to detect the link connectivity between the master device 40 and other devices 44 after determining that the master device 40 and the first backup device 42 are out of contact, and according to the detection result of the link connectivity Processing the operation of the main device 40 and/or the first backup device 42, wherein, other devices 44 are in the cluster system where the main device 40 and the first backup device 42 are located, except the main device 40 and the first backup device Equipment other than 42;

The first backup device 42 is configured to detect the link connectivity between the first backup device 42 and other devices 44 when the master device 40 detects the link connectivity between the master device 40 and other devices 44, and according to the link The detection result of the road connectivity is processed for the operation of the master device 40 and/or the first backup device 42 .

Through the comprehensive function of each device in the above-mentioned system, after the primary device and the backup device lose connection, the primary device and the backup device simultaneously detect the link connectivity with other devices in the cluster system, and then according to the detected link The technical solution for processing the primary device and/or the backup device based on the connectivity detection results. After the primary device and the backup device lose connection, since it is impossible to distinguish whether it is a node failure or a link failure, the backup device will directly convert to The main device causes two main devices to run in the system, which reduces the system stability and makes the user experience poor, which in turn enhances the system stability and improves the user experience.

Optionally, as shown in FIG. 5 , the master device 40 is also used to replace the first backup device 42 with the second backup device 46 when the master device 40 detects that the above-mentioned link is connected; and when the above-mentioned master device When it is detected that the above-mentioned link is not connected, the operation of the above-mentioned main device is prohibited within the second predetermined time period; the first backup device 42 is also used to judge that the main device is connected when the first backup device 42 detects that the above-mentioned link is connected. 40 is running; when the master device 40 is not running, use the first backup device 42 as the master device.

To sum up, the embodiment of the present invention achieves the following technical effects: it solves the problem of "dual master" caused by the direct switching of the standby equipment in the related art, correctly detects the actual status of the keep-alive link, and formulates a unified system The evolution path avoids the separate evolution of the device, so as to prevent the occurrence of the above-mentioned dual master phenomenon and improve the stability of the system.

Through the description of the above embodiments, those skilled in the art can clearly understand that the method according to the above embodiments can be implemented by means of software plus a necessary general-purpose hardware platform, and of course also by hardware, but in many cases the former is better implementation. Based on such an understanding, the technical solution of the present invention can be embodied in the form of a software product in essence or the part that contributes to the prior art, and the computer software product is stored in a storage medium (such as a read-only memory (ROM, Read -Only Memory), random access memory (RAM, Random AccessMemory), magnetic disk, optical disk), including several instructions to make a terminal device (which can be a mobile phone, computer, server, or network equipment, etc.) execute the present invention methods described in the various examples.

It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

Obviously, those skilled in the art should understand that each module or each step of the above-mentioned present invention can be realized by a general-purpose computing device, and they can be concentrated on a single computing device, or distributed in a network formed by multiple computing devices Alternatively, they may be implemented in program code executable by a computing device so that they may be stored in a storage device to be executed by a computing device, and in some cases in an order different from that shown here The steps shown or described are carried out, or they are separately fabricated into individual integrated circuit modules, or multiple modules or steps among them are fabricated into a single integrated circuit module for implementation. As such, the present invention is not limited to any specific combination of hardware and software.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (10)

1. a kind of operation processing method of master/slave device characterized by comprising

After determining host apparatus and the first stand-by equipment lost contact, the host apparatus detects the host apparatus and other equipment Connectivity of link, while first stand-by equipment detects the connectivity of link of first stand-by equipment and other equipment, wherein The other equipment are in the host apparatus and group system where first stand-by equipment, except the host apparatus and Equipment except first stand-by equipment；

The host apparatus spare sets the host apparatus and/or described first according to the testing result of the connectivity of link Standby operation is handled and first stand-by equipment primary is set according to the testing result of the connectivity of link to described The operation of standby and/or described first stand-by equipment is handled.

2. the method according to claim 1, wherein detection of the host apparatus according to the connectivity of link As a result the operation of the host apparatus and/or first stand-by equipment is handled, comprising:

When it is connection that the host apparatus, which detects the link, then first stand-by equipment is changed to second and spare set It is standby；

When the host apparatus, which detects the link, not to be connected to, then the host apparatus is forbidden to transport in the second predetermined amount of time Row.

3. the method according to claim 1, wherein first stand-by equipment is according to the connectivity of link Testing result handles the operation of the host apparatus and first stand-by equipment, comprising:

When it is connection that first stand-by equipment, which detects the link, then judge whether the host apparatus is currently running；

The host apparatus not at runtime, using first stand-by equipment as host apparatus.

4. according to the method described in claim 3, it is characterized in that,

When the host apparatus is currently running, then first stand-by equipment is forbidden to run in third predetermined amount of time.

5. according to the described in any item methods of claim 3 or 4, which is characterized in that judge institute by least one of mode State whether host apparatus is currently running:

It is informed by the third party outside the host apparatus and first stand-by equipment；

Specify information by first stand-by equipment in forwarding surface message transmission channel detects.

6. the method according to claim 1, wherein first stand-by equipment is according to the connectivity of link Testing result handles the operation of the host apparatus and first stand-by equipment, comprising:

When first stand-by equipment, which detects the link, not to be connected to, then forbid in the first predetermined amount of time described first standby It is run with equipment.

7. method according to any one of claims 1 to 4, which is characterized in that determine host apparatus and the first stand-by equipment Lost contact, comprising:

When the host apparatus and/or first stand-by equipment do not receive keep alive Packet, determine the host apparatus and The first stand-by equipment lost contact.

8. a kind of operation processing system of master/slave device characterized by comprising

Host apparatus, for detecting the host apparatus and other equipment after determining host apparatus and the first stand-by equipment lost contact Connectivity of link, and according to the testing result of the connectivity of link to the host apparatus and/or the first stand-by equipment Operation handled, wherein the other equipment are the host apparatus and the cluster system where first stand-by equipment Equipment in system, in addition to the host apparatus and first stand-by equipment；

First stand-by equipment, for detecting the connectivity of link of the host apparatus and other equipment in the host apparatus When, detect the connectivity of link of first stand-by equipment and other equipment, and the detection knot according to the connectivity of link Fruit handles the operation of the host apparatus and/or first stand-by equipment.

9. system according to claim 8, which is characterized in that the host apparatus is also used to detect when the host apparatus When the link is connection, then first stand-by equipment is changed to the second stand-by equipment；And when the host apparatus is examined When surveying the link and not being connected to, then the host apparatus is forbidden to run in the second predetermined amount of time.

10. system according to claim 8, which is characterized in that first stand-by equipment is also used to when described first is standby Detecting the link with equipment is when being connected to, then to judge whether the host apparatus is currently running；Do not exist in the host apparatus When operation, using first stand-by equipment as host apparatus.