WO2024119777A1

WO2024119777A1 - Communication link anomaly processing method for frame-based device, frame-based device, and medium

Info

Publication number: WO2024119777A1
Application number: PCT/CN2023/101886
Authority: WO
Inventors: 刘妙阁
Original assignee: 中兴通讯股份有限公司
Priority date: 2022-12-06
Filing date: 2023-06-21
Publication date: 2024-06-13

Abstract

The present application belongs to the technical field of frame-based devices. Disclosed are a communication link anomaly processing method for a frame-based device, a frame-based device, and a medium. In the present application, island detection is introduced, and an action of restoring a normal communication link for a corresponding single board is executed according to an island state, such that full-frame reset caused by an anomaly in an active/standby communication link and an anomaly in a communication link between the current main control board and a service single board is avoided, thereby ensuring the normal operation and processing of the current service.

Description

Frame device communication link abnormality processing method, frame device and medium

Related Applications

This application claims priority to Chinese patent application No. 202211559772.X filed on December 6, 2022, the entire contents of which are incorporated by reference into this application.

Technical Field

The present application relates to the technical field of frame devices, and in particular to a frame device communication link exception processing method, a frame device, and a computer-readable storage medium.

Background technique

At present, in the field of frame-type equipment such as communication equipment and industrial control equipment, in order to achieve high performance and high reliability, a distributed architecture design is often adopted, in which a main control board manages other service boards of the entire frame-type equipment and synchronizes the relevant information of each service board. Frame-type equipment generally includes a main control board, a backplane, a switch board, and a service board. The main control board is connected to all other service boards through the backplane to manage the service boards; the backplane provides various channels for the power supply, data, management, and control planes of the service boards; the service boards are used to receive and send data, and the main control board controls the direction of data inside the switch; the switch board is used for data exchange inside the switch. However, hardware problems of the switching chip or hardware problems of the communication link may cause abnormal communication links between boards. Abnormal scenarios include single-pass and mutual disconnection, and abnormal communication links will further cause board resets or resets of the entire frame.

Taking the master-slave communication link between the active main control board and the standby main control board as an example, the software heartbeat mechanism is currently used to ensure the master-slave reliability of the system. The heartbeat mechanism thread in the master-slave management process of the main control board sends an L2 multicast message per second to announce its own identity information. Hardware problems of the host, standby machine or backplane may cause abnormalities in the master-slave communication link. One abnormal scenario is that the host cannot receive the heartbeat multicast message sent by the standby machine. The host will send an aging standby message to the standby machine. The standby machine will reset itself after receiving the aging message. However, after the standby machine is reset, a dual-master conflict will occur. Because of the dual-master conflict, the host will also reset itself, further causing the entire frame to reset, thereby affecting the current business.

Summary of the invention

The main purpose of the present application is to provide a method for handling abnormal communication links of a frame-type device, a frame-type device and a computer-readable storage medium, aiming to solve the technical problem in the prior art that it is difficult to avoid dual-master conflicts caused by abnormal communication links, which further leads to the reset of the entire frame.

To achieve the above object, the present application provides a method for handling abnormalities in a communication link of a frame-type device, wherein the method is applied to a main control board and comprises the following steps:

Calculate the cache affinity of all cache clusters in the optimal cluster in the candidate cluster list; cache affinity is the coupling correlation between the data required by the business job and the current cache data;

Calculate the node resource scores of all cache nodes in the optimal cache cluster; wherein the resource score is information representing the idle state of the resource;

Select the optimal cache node of the optimal cache cluster for scheduling.

To achieve the above-mentioned purpose, the present application provides a method for handling abnormalities in a communication link of a frame-type device, and the method for handling abnormalities in a communication link of a frame-type device is applied to a standby main control board, and comprises the following steps:

After the standby main control board fails to receive the first heartbeat message from the active main control board within a preset third time period, performing an island detection on the standby main control board to determine whether the standby main control board is an island board;

After the standby main control board becomes an island board, setting the standby main control board to a non-working standby state;

After the standby main control board in the non-working standby state within the preset fourth time period receives the first heartbeat message from the active main control board, the standby main control board exits the non-working standby state.

To achieve the above object, the present application provides a method for handling abnormalities in a communication link of a frame-type device, wherein the method is applied to a service board and comprises the following steps:

After the service board fails to receive the second heartbeat message from the current main control board within a preset fifth time period, performing an island detection on the service board to determine whether the service board is an island board;

After the service board is an isolated board, the current board is reset and restarted, wherein the current board is the service board.

The present application also provides a frame-type device, which includes a primary main control board, a backup main control board, a service board, a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program is configured to implement the steps of the frame-type device communication link exception handling method as described above.

The present application also provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the above-mentioned frame device communication link exception processing method are implemented.

The present application also provides a first device applied to a main control board, the first device comprising:

A first island detection module, configured to perform an island detection on the main control board after the main control board fails to receive a first heartbeat message from the standby control board within a preset first time period, to determine whether the main control board is an island board;

A first state switching module is used to set the main main control board to a non-working standby state and set the standby main control board to the current main control board after determining that the main main control board is an island board;

The state switching module is used to make the main control board in the non-working standby state exit the non-working standby state and set the main control board as the current main control board after the main control board in the non-working standby state receives the first heartbeat message from the backup main control board within a preset second time period.

The present application also provides a second device applied to a standby main control board, the second device comprising:

A second island detection module is used to perform an island detection on the standby main control board after the standby main control board fails to receive the first heartbeat message from the active main control board within a preset third time period to determine whether the standby main control board is an island board;

The second state switching module is used to set the standby main control board to a non-working standby state after the standby main control board becomes an island board. state;

The state recovery module is used to make the standby main control board exit the non-working standby state after the standby main control board in the non-working standby state receives the first heartbeat message from the active main control board within a preset fourth time period.

The present application also provides a third device applied to a service board, the third device comprising:

A third island detection module is used to perform island detection on the service board after the service board fails to receive the second heartbeat message of the current main control board within a preset fifth time length to determine whether the service board is an island board;

The reset and restart module is used to reset and restart the current board after the service board is an island board, wherein the current board is the service board.

The present application discloses a method for handling abnormalities in a communication link of a frame-type device, a frame-type device, and a computer-readable storage medium. After the active main control board does not receive a first heartbeat message from a backup main control board within a preset first time period, an island detection is performed on the active main control board to determine whether the active main control board is an island board; after determining that the active main control board is an island board, the active main control board is set to a non-working standby state and the backup main control board is set to be the current main control board; after the active main control board in the non-working standby state receives the first heartbeat message from the backup main control board within a preset second time period, the active main control board exits the non-working standby state and sets the active main control board as the current main control board.

After the standby main control board does not receive the first heartbeat message from the active main control board within a preset third time period, an island detection is performed on the standby main control board to determine whether the standby main control board is an island board; after the standby main control board is an island board, the standby main control board is set to a non-working standby state; after the standby main control board in the non-working standby state receives the first heartbeat message from the active main control board within a preset fourth time period, the standby main control board exits the non-working standby state.

After the service board does not receive the second heartbeat message from the current main control board within the preset fifth time period, an island detection is performed on the service board to determine whether the service board is an island board; after the service board is an island board, the current board is reset and restarted, wherein the current board is the service board.

By introducing island detection in the active main control board, standby main control board and service board, it is determined whether the board is an island board. When the current board is an island main control board, it is set to a non-working standby state and listens to the first heartbeat message of the partner board. If the first heartbeat message of the partner board is received, it can be determined that the current board is a normal board. The main control board can restore the normal communication of the active-standby communication link by exiting the non-working standby state without having to restore normal communication by resetting and restarting, thus avoiding the dual-master conflict between the main control board after the reset and the current main control board, which causes the entire frame to reset.

When the current board is an isolated service board, it can be directly determined that the current board is an abnormal board. By resetting and restarting the service board, normal communication between the current main control board and the service board can be restored to avoid abnormal communication links between the current main control board and the service board. The current main control board is reset and restarted, causing the entire frame to reset. Therefore, by introducing island detection, the corresponding board is executed according to the island state to restore the normal communication link to avoid the entire frame being reset due to abnormal primary and standby communication links and abnormal communication links between the current main control board and the service board, thereby ensuring the normal operation of the current business.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of an operating device of a hardware operating environment involved in an embodiment of the present application;

FIG2 is a flow chart of an embodiment of a method for handling abnormal communication links of a frame-type device according to an embodiment of the present application;

FIG3 is a system diagram of an embodiment of a frame device according to an embodiment of the present application;

FIG4 is a flow chart of another embodiment of a method for handling abnormal communication links of a frame-type device according to an embodiment of the present application;

FIG5 is a flow chart of another embodiment of a method for handling abnormal communication links of a frame-type device according to an embodiment of the present application;

FIG6 is a schematic diagram of a first device involved in an embodiment of the present application;

FIG7 is a schematic diagram of a second device involved in an embodiment of the present application;

FIG8 is a schematic diagram of a third device involved in an embodiment of the present application.

The realization of the purpose, functional features and advantages of this application will be further explained in conjunction with embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

Refer to Figure 1, which is a schematic diagram of the operating device structure of the hardware operating environment involved in the embodiment of the present application.

As shown in FIG1 , the operating device may include: a processor 1001, such as a central processing unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may include a standard wired interface and a wireless interface (such as a wireless fidelity (Wireless-Fidelity, WI-FI) interface). The memory 1005 may be a high-speed random access memory (Random Access Memory, RAM) memory, or a stable non-volatile memory (Non-Volatile Memory, NVM), such as a disk memory. The memory 1005 may also be a storage device independent of the aforementioned processor 1001.

Those skilled in the art will appreciate that the structure shown in FIG. 1 does not constitute a limitation on the operating device, and may include more or fewer components than shown, or a combination of certain components, or a different arrangement of components.

As shown in FIG. 1 , the memory 1005 as a storage medium may include an operating system, a data storage module, a network communication module, a user interface module, and a computer program.

In the running device shown in FIG1 , the network interface 1004 is mainly used for data communication with other devices; the user interface 1003 is mainly used for data interaction with the user; the processor 1001 and the memory 1005 in the running device of the present application can be set in the running device. The operating device calls the computer program stored in the memory 1005 through the processor 1001, and performs the following operations:

The frame-type device communication link abnormality processing method is applied to the main control board, and includes the following steps:

After the active main control board does not receive the first heartbeat message from the standby main control board within a preset first time period, performing an island detection on the active main control board to determine whether the active main control board is an island board;

After determining that the main main control board is an island board, setting the main main control board to a non-working standby state and setting the standby main control board to a current main control board;

After the active main control board in the non-working standby state within the preset second time period receives the first heartbeat message from the standby main control board, the active main control board exits the non-working standby state and is set as the current main control board.

In one embodiment, the processor 1001 may call a computer program stored in the memory 1005 and further perform the following operations:

After the step of setting the active main control board to a non-working standby state and setting the standby main control board to a current main control board, the method further includes:

After the active main control board in the non-working standby state does not receive the first heartbeat message from the standby main control board within a preset second time period, the current board is reset and restarted, wherein the current board is the active main control board.

The frame-type device communication link abnormality processing method is applied to a standby main control board, comprising the following steps:

After the step of setting the standby main control board to a non-working standby state, the method further includes:

After the standby main control board in the non-working standby state does not receive the first heartbeat message from the active main control board within a preset fourth time period, the current board is reset and restarted, wherein the current board is the standby main control board.

The frame device communication link exception processing method is applied to a service board, and comprises the following steps:

After the step of resetting and restarting the current board, the method further includes:

Perform island detection on the current board, and report an alarm if the current board becomes an island board after reset and restart.

The steps of performing island detection include:

After the current single board is a main control board, determining whether a partner board of the main control board is running, and determining whether there is an online service single board of the main control board;

After the partner board of the main control board is running or the main control board has an online service board, or after the current board is not the main control board, determining whether there is transparent internal process communication between the current board and other boards within a preset sixth time period;

After there is no transparent internal process communication between the current board and other boards within a preset sixth time period, it is determined that the current board is an island board.

The step of determining whether the partner board of the main control board is running and determining whether there is an online service single board on the main control board includes:

Acquire an operation signal of the partner board through a backplane, and determine that the partner board is running after the operation signal is at a high level;

By reading the status of the in-place register of the service board, it is determined whether the service board is online based on the status of the in-place register.

The present application embodiment provides a method for handling abnormal communication links of a frame device. Referring to FIG. 2 , in one embodiment of the method for handling abnormal communication links of a frame device, the method for handling abnormal communication links of a frame device is applied to a main main control board, and includes the following steps:

Step A1, after the active main control board does not receive the first heartbeat message from the standby main control board within a preset first time period, perform an island detection on the active main control board to determine whether the active main control board is an island board.

Referring to Figure 3, the frame device includes a main control board, a standby control board, a service board and a backplane. Among them, the main control board includes at least: CPU, inter-board communication network port, control plane switching chip (management inter-board communication); the service board includes at least: CPU, inter-board communication network port; the backplane includes at least: various channels of the board's power supply, data, management, and control plane. The frame device system consists of one or more frames, each of which consists of two main control boards and several other boards. The main control board includes a DHCP (Dynamic Host Configuration Protocol) server, an inter-board communication network port, a switching chip (responsible for managing the communication network with other boards) and a communication channel that can access the backplane storage information. The entire system has only one main control, including a version management server and a DHCP server, which is mainly responsible for unified management of the running version of the entire system, management and transmission of other board frame information in this frame. Other boards include a DHCP client and an inter-board communication network port (connected to the main control board switching chip port). After normal startup, they are mainly responsible for the normal operation of the equipment business functions.

If the active main control board does not receive the first heartbeat message from the standby main control board within the preset first time period, it means that the active and standby communication links are abnormal, which means that either the active main control board is wrong, the standby main control board is wrong, or both the active and standby main control boards are wrong. Under such circumstances, an island detection is performed on the main control board to determine whether the main control board is an island board, whether the main control board is in an island state, and whether the main control board is faulty. Exemplarily, the preset first duration can be set to 120 seconds.

In this embodiment, the cause of the abnormality of the primary and standby communication links only considers the situation that the primary main control board and/or the standby main board have errors, and does not consider the situation that the communication link has errors or other devices or components have errors.

Step A2: after determining that the active main control board is an island board, setting the active main control board to a non-working standby state and setting the standby main control board as a current main control board.

If it is determined that the active main control board is an island board, it means that the active and standby communication links are abnormal because of an error in the active main control board. When the active main control board is in an island state, it is set to a non-working standby state and monitors the first heartbeat message of the partner board (standby main control board); at the same time, the current main control board is switched from the active main control board to the standby main control board.

If the active main control board in the island state is restarted and reset, it will cause a dual master conflict between the reset active main control board and the standby main control board, causing the entire frame to reset. Therefore, in this embodiment, a non-working standby state of the active main control board is proposed, at which time the entire frame has only one current main control board, the standby main control board, and no dual master conflict will occur due to the active main control board in the non-working standby state.

Step A31, after the active main control board in the non-working standby state within the preset second time period receives the first heartbeat message from the standby main control board, the active main control board exits the non-working standby state and sets the active main control board as the current main control board.

If the active main control board in a non-working standby state receives the first heartbeat message from the standby main control board within the preset second time period, it can be determined that the active main control board in an island state has recovered to normal through self-recovery in a non-working standby state, and the active main control board can restore the normal communication of the active-standby communication link by exiting the non-working standby state without having to restore normal communication by resetting and restarting; at the same time, the current main control board is switched from the standby main control board to the active main control board that has recovered to normal, and the active main control board completes the takeover of the main control board. In this embodiment, the timing of switching the current main control board from the standby main control board to the active main control board that has recovered to normal is not limited, and the method of determining the timing is not limited. Exemplarily, the preset second time period can be set to 5 minutes.

Whether the active main control board in the non-working standby state receives the first heartbeat message from the standby main control board within the preset second time period, the purpose of setting this judgment condition is to determine whether the active main control board has completed self-recovery and whether the active-standby communication link has returned to normal. If the active main control board has completed self-recovery and the active-standby communication link has returned to normal, then the active main control board will receive the first heartbeat message from the standby main control board, and the active main control board can become the current main control board again.

The active main control board and the standby main control board are partner boards. Regardless of whether the current main control board is the active main control board or the standby main control board, the current main control board will periodically send the first heartbeat message to the partner board to detect whether the active and standby communication links are normal.

Exemplarily, after the step of setting the active main control board to a non-working standby state and setting the standby main control board to a current main control board, the process further includes:

Step A32: The active main control board in the non-working standby state does not receive the signal from the standby main control board within the preset second time period. After the first heartbeat message is sent, the current board is reset and restarted, wherein the current board is the active main control board.

If the active main control board in the non-working standby state does not receive the first heartbeat message from the backup main control board within the preset second time period, it can be determined that the active main control board in the island state cannot be restored to normal through self-recovery in the non-working standby state, which further indicates that the active main control board that has been determined to have an error cannot be restored to normal by switching it to the non-working standby state. At this time, it is necessary to reset and restart to restore the active main control board. Restarting in the non-working standby state will not cause a dual-master conflict with the backup main control board like restarting in the working state. Therefore, reset and restart the active main control board in the non-working standby state to try to restore the active main control board to normal.

In addition, the new current main control board can be determined between the active main control board and the standby main control board that have recovered from the non-working standby state through the relevant active-standby competition strategy. In this embodiment, the method of determining the new current main control board between the active main control board and the standby main control board that have recovered from the non-working standby state is not limited.

In this embodiment, by introducing island detection in the main main control board, it is determined whether the board is an island board. When the current single board is a main control board in an island state, by setting it to a non-working standby state and monitoring the first heartbeat message of the partner board, if the first heartbeat message of the partner board is received, it can be determined that the current single board is a normal single board, and the main control board can self-restore the normal communication of the main and standby communication links by exiting the non-working standby state without having to restore normal communication by resetting and restarting, thereby avoiding the dual-master conflict between the main control board after the reset and the current main control board causing the entire frame to reset. Therefore, by introducing island detection, the action of restoring the normal communication link of the corresponding single board is executed according to the island state, thereby avoiding the reset of the entire frame due to the abnormality of the main and standby communication links, and ensuring the normal operation and processing of the current business.

In another embodiment of the method for handling abnormal communication link of a frame device of the present application, referring to FIG. 4 , the method for handling abnormal communication link of a frame device is applied to a standby main control board, comprising the following steps:

Step B1, after the standby main control board does not receive the first heartbeat message from the active main control board within a preset third time period, performing an island detection on the standby main control board to determine whether the standby main control board is an island board;

If the standby main control board does not receive the first heartbeat message from the active main control board within the preset third time period, it means that the active-standby communication link is abnormal, which means that either the active main control board is faulty, the standby main control board is faulty, or both the active main control board and the standby main control board are faulty. Therefore, in this case, an island detection is performed on the standby main control board to determine whether the standby main control board is an island board, whether the standby main control board is in an island state, and whether the standby main control board is faulty.

Step B2, after the standby main control board is an island board, setting the standby main control board to a non-working standby state;

If it is determined that the standby main control board is an island board, it means that the master-slave communication link is abnormal due to an error in the standby main control board. When the standby main control board is in an island state, it is set to a non-working standby state and monitors the first heartbeat message of the partner board (standby main control board); at the same time, the current main control board remains unchanged as the main control board.

If the standby main control board in the island state is restarted and reset, there will be a dual master conflict between the reset standby main control board and the main main control board that has been acting as the current main control board, resulting in the reset of the entire frame. In standby state, the entire frame has only one active main control board, and no dual-active conflict will occur due to the restart and reset of the standby main control board in the non-working standby state.

Step B31: After the standby main control board in the non-working standby state receives the first heartbeat message from the active main control board within the preset fourth time period, the standby main control board exits the non-working standby state.

If the standby main control board in the non-working standby state receives the first heartbeat message from the active main control board within the preset fourth time period, it can be determined that the standby main control board in the island state has returned to normal through self-recovery in the non-working standby state. The standby main control board can restore the normal communication of the active-standby communication link by exiting the non-working standby state without having to restore normal communication through resetting and restarting.

Whether the standby main control board in the non-working standby state receives the first heartbeat message of the main control board within the preset fourth time period, the purpose of setting this judgment condition is to determine whether the standby main control board has completed self-recovery and whether the main-standby communication link has returned to normal. If the standby main control board completes self-recovery and the main-standby communication link has returned to normal, then the standby main control board will receive the first heartbeat message of the main control board, and the standby main control board has returned to normal.

Exemplarily, after the step of setting the standby main control board to a non-working standby state, the method further includes:

Step B32, after the standby main control board in the non-working standby state does not receive the first heartbeat message from the active main control board within a preset fourth time period, reset and restart the current board, wherein the current board is the standby main control board.

If the standby main control board in the non-working standby state does not receive the first heartbeat message from the main main control board within the preset fourth time period, it can be determined that the standby main control board in the island state cannot be restored to normal through self-recovery in the non-working standby state, which further indicates that the standby main control board that has been determined to have an error cannot be restored to normal by switching it to the non-working standby state. At this time, it is necessary to reset and restart to restore the standby main control board. Restarting in the non-working standby state will not cause a dual-master conflict with the standby main control board like restarting in the working state. Therefore, you can try to restore the standby main control board to normal by resetting and restarting the standby main control board in the non-working standby state.

In addition, since the current main control board has always been the active main control board and has not switched between the active and standby main control boards, there is no need to use the relevant active and standby competition strategy to determine the new current main control board between the standby main control board that has recovered from the non-working standby state and the active main control board.

In this embodiment, by introducing island detection in the standby main control board, it is determined whether the board is an island board. When the current single board is a main control board in an island state, by setting it to a non-working standby state and monitoring the first heartbeat message of the partner board, if the first heartbeat message of the partner board is received, it can be determined that the current single board is a normal single board, and the main control board can self-restore the normal communication of the main and standby communication links by exiting the non-working standby state without having to restore normal communication by resetting and restarting, thereby avoiding the dual-master conflict between the main control board after the reset and the current main control board causing the entire frame to reset. Therefore, by introducing island detection, the action of restoring the normal communication link of the corresponding single board is executed according to the island state, thereby avoiding the reset of the entire frame due to the abnormality of the main and standby communication links, and ensuring the normal operation and processing of the current business.

In another embodiment of the method for handling abnormal communication link of a frame device of the present application, referring to FIG. 5 , the method for handling abnormal communication link of a frame device is applied to a service board, comprising the following steps:

Step C1, after the service board does not receive the second heartbeat message from the current main control board within a preset fifth time period, performing an island detection on the service board to determine whether the service board is an island board;

If the service board does not receive the second heartbeat message from the current main control board within the preset fifth time period, it means that the communication link between the current main control board and the service board is abnormal, which means that either the current main control board is wrong, the service board is wrong, or both the current main control board and the service board are wrong. Therefore, in this case, an island detection is performed on the service board to determine whether the service board is an island board, whether the service board is in an island state, and whether the service board is wrong.

Step C2, after the service board is an island board, resetting and restarting the current board, wherein the current board is the service board.

If it is determined that the service board is an island board, it means that the communication link between the current main control board and the service board is abnormal due to an error in the service board. Since the communication relationship between the current main control board and the service board is one-to-many, a service unit only needs to be responsible for/communicate with one current main control board. Therefore, when the service board is in an island state, the service board can be directly reset and restarted without setting it to a non-working standby state and monitoring the second heartbeat message of the current main control board.

No matter the current main control board is the active main control board or the standby main control board, the current main control board will periodically send a second heartbeat message to the service board to check whether the communication link between the current main control board and the service board is normal.

In the use of existing frame-type equipment, it is generally believed that the communication link between the current main control board and the service board will not fail, and there are few methods to detect such failures, and even fewer methods to detect such failures from the perspective of the service board. Therefore, the current main control board generally does not and will not send a second heartbeat message to the service board for the aforementioned communication link failure detection and processing of the service board.

In this embodiment, by introducing island detection in the service board, it is determined whether the board is an island board. When the current board is a service board in an island state, it can be directly determined that the current board is an abnormal board, and the normal communication between the current main control board and the service board is restored by resetting and restarting the service board, so as to avoid resetting and restarting the current main control board and resetting the entire frame due to abnormal communication link between the current main control board and the service board. Thus, by introducing island detection, the action of restoring the normal communication link of the corresponding board is executed according to the island state, so as to avoid resetting the entire frame due to abnormal communication link between the current main control board and the service board, and ensure the normal operation of the current business.

In another embodiment of the method for handling abnormal communication link of a frame-type device of the present application, after the step of resetting and restarting the current board, the method further includes:

In the above embodiment, after resetting and restarting the current single board, the current single board is re-islanded to determine whether the communication link related to the current single board is abnormal again. After the current single board after resetting and restarting is an island board, it means that its related communication link is abnormal again. If the same single board is abnormal again after returning to normal, it is necessary to report an alarm to avoid the waste of resources caused by repeated restoration to normal, and to avoid repeated restoration but still unable to solve the abnormal communication problem of the current single board, and it is necessary to prompt the relevant management personnel to handle it in time.

In another embodiment of the method for handling abnormal communication links of frame-type devices of the present application, the step of performing island detection includes:

Step D1, after the current single board is a main control board, determining whether the partner board of the main control board is running, and determining whether there is an online service single board of the main control board;

Step D2, after the partner board of the main control board is running or the main control board has an online service board, or after the current board is not the main control board, determining whether there is transparent internal process communication between the current board and other boards within a preset sixth time length;

If the current board is the main control board, determine whether the partner board of the main control board is running, and determine whether there is an online service board for the main control board. If the partner board of the main control board is running, or there is an online service board for the main control board, or the partner board of the main control board is running and there is an online service board for the main control board, determine whether there is transparent internal process communication (TIPC) between the current board and other boards within the preset sixth time period.

By setting the preconditions for determining whether the partner board of the main control board is running and whether there is an online service board on the main control board, it is determined in advance whether there is a partner board or service board with which the main control board has established a communication link in advance. If there is no partner board or service board with which a communication link is established, it is possible to determine in advance that the main control board is an island board without determining whether there is transparent internal process communication between the current board and other boards within the preset sixth time period. In other words, only when it is determined that there is a communication link with the main control board, it is necessary to determine whether the main control board is an island board by determining whether there is transparent internal process communication between the current board and other boards within the preset sixth time period.

In addition, if the current single board is not the main control board but a business single board, since the business boards communicate directly with each other through the backplane, it is possible to directly determine whether the business board is an island board based on the same method of determining whether there is transparent internal process communication between the current single board and other single boards within the preset sixth time period.

Step D3: after there is no transparent internal process communication between the current board and other boards within a preset sixth time period, determine that the current board is an island board.

If there is no transparent internal process communication between the current board and other boards within the preset sixth time period, it can be determined that the current board is an island board, and the current board is in a state of being unable to receive any message sent by other boards.

Exemplarily, the step of determining whether the partner board of the main control board is running and determining whether the main control board has an online service board includes:

Step D11, obtaining the operation signal of the partner board through the backplane, and after the operation signal is at a high level, determining that the partner board is running;

If the current board is the main control board, it determines whether the partner board's run signal level is high. After the ADM management process is powered on, it will set the run signal register on the current board EPLD (Erasable Programmable Logic Device). When the run signal level increases, the high-level signal can be sent to the partner board through the backplane, and the partner board can determine whether the main control board is running.

If the run signal level of the partner board is high, it means that the partner board is in the in-place running state, and other conditions will continue to be judged, such as whether there are subsequent transparent internal process communication conditions; if the run signal level is low, it means that the partner board is not in the in-place running state, and there is no need to judge other subsequent conditions. In one embodiment, if a single board is detected to be not in an island state, it means that the cause of the communication link failure related to the single board is irrelevant, and the single board detected to be not in an island state will not be processed. Therefore, when the run signal level is low, it can be directly judged that the current single board is not in an island state, and the current single board can be processed.

Step D12, reading the status of the in-place register of the service board, and determining whether the service board is online based on the status of the in-place register.

Determine whether the peripheral board (line card) hardware is online. By reading the board in-place register, in one embodiment, if bit2:0 (bits 0, 1, and 2) are all 1, the peripheral board is considered to be online, otherwise the peripheral board is considered to be offline. When all peripheral boards are offline, it is directly determined that the board is not in an island state. If it is detected that the board itself is not in an island state, no processing will be performed; if there are peripheral boards online, the detection will continue. If the TIPC of this cpu node and other cpu nodes are all disconnected for 130 consecutive seconds, the board is set to an island state, the island state log of this board is recorded and uploaded to the main control for storage, and an alarm that the board is in an island state is reported. The judgment and processing of the island state of the in-place register state are similar to the aforementioned operating signal, and will not be repeated here.

Referring to FIG. 6 , in addition, an embodiment of the present application further provides a first device applied to a primary main control board, the first device comprising:

A first island detection module M1 is used to perform an island detection on the main main control board after the main main control board fails to receive the first heartbeat message from the standby main control board within a preset first time period to determine whether the main main control board is an island board;

A first state switching module M2 is used to set the main main control board to a non-working standby state and set the standby main control board to the current main control board after determining that the main main control board is an island board;

The state switching module M3 is used to make the main control board in the non-working standby state exit from the non-working standby state and set the main control board as the current main control board after the main control board in the non-working standby state receives the first heartbeat message from the backup main control board within a preset second time period.

Exemplarily, the first device further includes a first resetting and restarting module, configured to:

Referring to FIG. 7 , in addition, the embodiment of the present application further provides a second device applied to a standby main control board, the second device comprising:

A second island detection module N1 is used to perform an island detection on the standby main control board after the standby main control board fails to receive the first heartbeat message from the active main control board within a preset third time period to determine whether the standby main control board is an island board;

The second state switching module N2 is used to set the standby main control board to a non-working standby state after the standby main control board becomes an island board;

The state recovery module N3 is used to make the standby main control board exit the non-working standby state after the standby main control board receives the first heartbeat message from the active main control board during a preset fourth time period.

Exemplarily, the second device further includes a second resetting and restarting module, configured to:

Referring to FIG. 8 , in addition, the embodiment of the present application further provides a third device applied to a service board, the third device comprising:

A third island detection module P1 is used to perform island detection on the service board after the service board does not receive the second heartbeat message of the current main control board within a preset fifth time length to determine whether the service board is an island board;

The reset and restart module P2 is used to reset and restart the current board after the service board becomes an island board, wherein the current board is the service board.

Exemplarily, the first device, the second device, and the third device all further include a repeated island detection module, which is used to:

After the step of resetting and restarting the current board,

Exemplarily, the first device, the second device, and the third device all further include an island detection implementation module, which is used to:

Exemplarily, the island detection implementation module is also used for:

The first device, the second device, and the third device provided in the present application adopt the frame device communication link abnormality processing method in the above embodiment to solve the technical problem in the prior art that it is difficult to avoid the communication link abnormality leading to dual-master conflict and further leading to the reset of the entire frame. Compared with the prior art, the beneficial effects of the first device, the second device, and the third device provided in the embodiment of the present application are the same as the beneficial effects of the frame device communication link abnormality processing method provided in the above embodiment, and the other technical features in the first device, the second device, and the third device are the same as the features disclosed in the above embodiment method, which will not be repeated here.

In addition, an embodiment of the present application further provides a frame device, the frame device comprising a main control board, a backup main control board, a service board, a memory, a processor, and a computer program stored in the memory and executable on the processor, the computer program being configured to The steps are to implement the method for handling abnormal communication link of the frame device as described above.

In addition, an embodiment of the present application further provides a computer-readable storage medium, on which a computer program is stored. When the computer program is executed by a processor, the steps of the frame device communication link exception processing method as described above are implemented.

In this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or system that includes the element.

Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present application is essentially or the part that contributes to the prior art can be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) as described above, and includes a number of instructions for a terminal device (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in each embodiment of the present application.

The above are only preferred embodiments of the present application, and are not intended to limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.

Claims

A method for handling abnormalities in a communication link of a frame-type device, wherein the method for handling abnormalities in a communication link of a frame-type device is applied to a main control board, and comprises the following steps:

After the active main control board does not receive the first heartbeat message from the standby main control board within a preset first time period, performing an island detection on the active main control board to determine whether the active main control board is an island board;

After determining that the main main control board is an island board, setting the main main control board to a non-working standby state and setting the standby main control board to a current main control board;

After the active main control board in the non-working standby state within the preset second time period receives the first heartbeat message from the standby main control board, the active main control board exits the non-working standby state and is set as the current main control board.
The method for handling abnormal communication link of a frame-type device according to claim 1, wherein after the step of setting the active main control board to a non-working standby state and setting the standby main control board as the current main control board, it further comprises:

After the active main control board in the non-working standby state does not receive the first heartbeat message from the standby main control board within a preset second time period, the current board is reset and restarted, wherein the current board is the active main control board.
A method for handling abnormalities in a communication link of a frame-type device, wherein the method for handling abnormalities in a communication link of a frame-type device is applied to a standby main control board, and comprises the following steps:

After the standby main control board fails to receive the first heartbeat message from the active main control board within a preset third time period, performing an island detection on the standby main control board to determine whether the standby main control board is an island board;

After the standby main control board becomes an island board, setting the standby main control board to a non-working standby state;

After the standby main control board in the non-working standby state within the preset fourth time period receives the first heartbeat message from the active main control board, the standby main control board exits the non-working standby state.
The method for handling abnormal communication link of a frame-type device according to claim 3, wherein after the step of setting the standby main control board to a non-working standby state, it further comprises:

After the standby main control board in the non-working standby state does not receive the first heartbeat message from the active main control board within a preset fourth time period, the current board is reset and restarted, wherein the current board is the standby main control board.
A method for handling abnormalities in a communication link of a frame-type device, wherein the method for handling abnormalities in a communication link of a frame-type device is applied to a service single board, and comprises the following steps:

After the service board fails to receive the second heartbeat message from the current main control board within a preset fifth time period, performing an island detection on the service board to determine whether the service board is an island board;

After the service board is an isolated board, the current board is reset and restarted, wherein the current board is the service board.
The method for handling abnormal communication link of a frame device according to claim 2, 4 or 5, wherein after the step of resetting and restarting the current board, the method further comprises:

Perform island detection on the current board, and report an alarm if the current board becomes an island board after reset and restart.
The method for handling abnormal communication link of a frame-type device according to any one of claims 1 to 5, wherein the step of performing island detection comprises:

After the current single board is a main control board, determining whether a partner board of the main control board is running, and determining whether there is an online service single board of the main control board;

After the partner board of the main control board is running or the main control board has an online service board, or after the current board is not the main control board, determining whether there is transparent internal process communication between the current board and other boards within a preset sixth time period;

After there is no transparent internal process communication between the current board and other boards within a preset sixth time period, it is determined that the current board is an island board.
The method for handling abnormal communication links of a frame-type device according to claim 7, wherein the step of determining whether the partner board of the main control board is running and determining whether there is an online service single board of the main control board comprises:

Acquire an operation signal of the partner board through a backplane, and determine that the partner board is running after the operation signal is at a high level;

By reading the status of the in-place register of the service board, it is determined whether the service board is online based on the status of the in-place register.
A frame device, wherein the frame device includes a main control board, a backup main control board, a service board, a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the computer program is configured to implement the steps of the frame device communication link exception handling method as described in any one of claims 1 to 8.
A computer-readable storage medium, wherein a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the frame device communication link exception processing method according to any one of claims 1 to 8 are implemented.