CN104065499B - Main control board, master-standby system, information backup method and device - Google Patents

Abstract

The invention discloses a kind of master control borad, main preparation system, information backup method and device, above-mentioned master control borad includes：CPU, management interchanger and switching device；CPU, for when master control borad is in master state, being managed and generating management information with the master control borad in stand-by state to master control borad；Switching device, between CPU and management interchanger, for when master control borad is in master state, path being set up between CPU and management interchanger；Management interchanger, the network interface provided via management interchanger is connected with the master control borad in stand-by state, and the management information of CPU is come from for receiving and the master control borad in stand-by state is forwarded to.According to the technical scheme that the present invention is provided, the hardware cost of CPU on master control borad is reduced, while also reducing the operation complexity of CPU controls.

Description

Main control board, master-standby system, information backup method and device

technical field

The present invention relates to the communication field, in particular, to a main control board, a main-standby system, and an information backup method and device.

Background technique

At present, in the technical solutions involving active and standby systems in related technologies, it usually includes an active main control board and a standby main control board; wherein, the active main control board may include: a main control central processing unit (Central Processing Unit, referred to as CPU) and a management switch, the main control CPU usually needs to set two network ports, one of which is used to connect the main control CPU and the management switch of the main control board, and its function is to manage the entire active and standby system; It is used to connect the opposite board (that is, the standby main control board), and its function is to back up the management data between the active main control board and the standby main control board in real time. Since the main control CPU and the standby CPU need to use a dedicated network port for interconnection, not only will the hardware cost of the main and standby systems be increased due to the addition of a network port, but also the The workload of managing data real-time backup between boards, and its control process operation is relatively complicated.

Contents of the invention

The present invention provides a main control board, a master-standby system, and a backup method and device for information, so as to at least solve the problem that the CPU on the main control board in the related art not only increases the hardware cost but also has two network ports. The problem of increased operational complexity.

According to one aspect of the present invention, a main control board is provided.

The main control board according to the present invention includes: a CPU, a management switch and a switching device; the CPU is used to manage the main control board and the main control board in the standby state and generate management information when the main control board is in the active state; The switching device is located between the CPU and the management switch, and is used to establish a path between the CPU and the management switch when the main control board is in the active state; Board connection, used to receive management information from the CPU and forward it to the main control board in standby state.

Preferably, the above-mentioned switching device is also used to disconnect the path between the CPU and the management switch when the main control board is switched from the active state to the standby state, and switch between the CPU and the management switch of the main control board in the standby state. Create a path between them.

Preferably, the switching device is one of the following: an analog switch, a single-pole double-throw switch.

According to another aspect of the present invention, an active/standby system is provided.

The active/standby system according to the present invention includes: two main control boards; each main control board includes: a CPU, which is used to execute the main control board and the main control board in standby state when the main control board is in the active state manage and generate management information; the switching device, located between the CPU and the management switch, is used to establish a path between the CPU and the management switch when the main control board is in the active state; the management switch communicates with the management switch through the network interface provided by the management switch The main control board in the standby state is connected to receive the management information from the CPU and forward it to the main control board in the standby state.

Preferably, the above-mentioned switching device is also used to disconnect the path between the CPU and the management switch when the main control board is switched from the active state to the standby state, and switch between the CPU and the management switch of the main control board in the standby state. Create a path between them.

According to still another aspect of the present invention, an information backup method is provided.

The information backup method according to the present invention includes: establishing a path between the first CPU and the first management switch, wherein both the first CPU and the first management switch are located on the first main control board, and the first main control board is currently in the Active state: the first CPU is used to manage the first main control board and the second main control board, and the generated management information is transmitted to the second CPU via the first management switch for backup, wherein the second CPU is located in the second On the main control board, the second main control board is currently in the standby state.

Preferably, after the first CPU is used to manage the first main control board and the second main control board, and the generated management information is transmitted to the second CPU via the first management switch for backup, it also includes: when the first main control board When the control board is switched from the active state to the standby state, the path between the first CPU and the first management switch is disconnected, and the path between the first CPU and the second management switch is established, wherein the second management switch is located at the first Two main control boards.

Preferably, when the first main control board is switched from the active state to the standby state, the path between the first CPU and the first management switch is disconnected, and the path between the first CPU and the second management switch is established , further comprising: when the second main control board switches from the standby state to the active state, establishing a path between the second CPU and the second management switch.

According to still another aspect of the present invention, an information backup device is provided.

The information backup device according to the present invention includes: a first establishing module, configured to establish a path between the first CPU and the first management switch, wherein both the first CPU and the first management switch are located on the first main control board, The first main control board is currently in the active state; the transmission module is used to use the first CPU to manage the first main control board and the second main control board, and transmit the generated management information to the second main control board through the first management switch. The CPU performs backup, wherein the second CPU is located on the second main control board, and the second main control board is currently in a standby state.

Preferably, the above device further includes: a second establishing module, configured to disconnect the path between the first CPU and the first management switch and establish the first A path between the CPU and the second management switch, wherein the second management switch is located on the second main control board.

Through the present invention, the path between the first CPU and the first management switch is established, the first CPU and the first management switch are both located on the first main control board, and the first main control board is currently in the active state; using the first The CPU manages the first main control board and the second main control board, and transmits the generated management information to the second CPU via the first management switch for backup. The second CPU is located on the second main control board, and the second main control board The board is currently in a standby state, which solves the problem that the CPU on the main control board in the active state in the related art not only increases the hardware cost but also increases the operation complexity due to the setting of two network ports, thereby reducing the number of CPUs on the main control board. The hardware cost of the CPU is reduced, and the complexity of the operation controlled by the CPU is also reduced.

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 structural block diagram of a main control board according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of an active/standby system according to an embodiment of the present invention;

FIG. 3 is a flowchart of a method for backing up information according to an embodiment of the present invention;

Fig. 4 is a structural block diagram of an information backup device according to an embodiment of the present invention;

Fig. 5 is a structural block diagram of an information backup device according to a preferred embodiment of the present invention.

detailed description

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.

Fig. 1 is a structural block diagram of a main control board according to an embodiment of the present invention. As shown in Figure 1, the main control board can include: CPU10, management switch 20 and switching device 30; Manage and generate management information; switch device 30, located between the CPU and the management switch, is used to establish a path between the CPU and the management switch when the main control board is in the active state; the management switch 20, via the network provided by the management switch The interface is connected with the main control board in the standby state, and is used to receive the management information from the CPU and forward it to the main control board in the standby state.

In the related art, the CPU on the main control board in the active state not only increases the hardware cost but also increases the operation complexity due to the provision of two network ports. Use the main control board shown in Figure 1 to establish a path between the first CPU and the first management switch. Both the first CPU and the first management switch are located on the first main control board, and the first main control board is currently in the main Use status; the first CPU is used to manage the first main control board and the second main control board, and the generated management information is transmitted to the second CPU via the first management switch for backup. The second CPU is located on the second main control board Above, the second main control board is currently in a standby state, that is, by adopting the technical solution provided by the present invention, the CPU on the main control board only needs to be provided with one network port and the network port is only connected to the management switch on the current main control board , and the CPU on the main control board and the CPU on the main control board in the standby state are no longer directly connected through the network port, so that the CPU only needs one network port to realize real-time backup of the active and standby management data, solving the problem of The problem that the CPU on the main control board in the main control board in the related art not only increases the hardware cost but also increases the operation complexity due to the setting of two network ports, thereby reducing the hardware cost of the CPU on the main control board, and at the same time The operation complexity of CPU control is reduced.

Preferably, the above-mentioned switching device 30 is also used to disconnect the path between the CPU and the management switch when the main control board is switched from the active state to the standby state, and switch between the CPU and the management switch of the main control board in the standby state. Create paths between them.

In a preferred embodiment, when the main control board in the active state is abnormal, it is necessary to perform active-standby switchover from the active state to the standby state. At this time, it is necessary to disconnect the The connection between the CPU and the management switch must also be between the CPU on the main control board that was originally in the standby state but has now switched to the active state, and the management switch on the main control board that has switched from the active state to the standby state. connection between.

In a preferred implementation process, the above switching device may be one of the following: an analog switch, a single pole double throw switch.

Fig. 2 is a schematic diagram of an active/standby system according to an embodiment of the present invention. As shown in Figure 2, the active/standby system may include: two main control boards; each main control board includes: a CPU, which is used to control the main control board and the standby state when the main control board is in the active state The main control board manages and generates management information; the switching device is located between the CPU and the management switch, and is used to establish a path between the CPU and the management switch when the main control board is in the active state; the management switch provides The network interface of the network interface is connected to the main control board in the standby state, and is used to receive the management information from the CPU and forward it to the main control board in the standby state.

Adopting the active/standby system shown in Figure 2 solves the problem that the CPU on the main control board in the active state in the related art not only increases the hardware cost but also increases the operation complexity due to the setting of two network ports, thereby reducing the The hardware cost of the CPU on the main control board is reduced, and the operation complexity of the CPU control is also reduced.

Preferably, the above-mentioned switching device is also used to disconnect the path between the CPU and the management switch when the main control board is switched from the active state to the standby state, and switch between the CPU and the management switch of the main control board in the standby state. Create a path between them.

In a preferred embodiment, the active and standby management channels can adopt a double-star structure, and the CPU on the main control board only needs to set up one network port and use one analog switch, so as to realize the multiplexing of network ports. On the main control board in the active state, the CPU network port switch is connected to the management switch to manage the entire system; on the main control board in the standby state, the CPU network port switch is connected to the The main control board in the active state) will back up the management data generated by the board in real time; when the master-standby switchover occurs, the main control board in the standby state will switch to the active state, and the main control board in the active state will switch to the In standby state, switch to the other side. In this way, only one network port needs to be set up on the CPU to realize system management and real-time backup of active and standby management data.

Fig. 3 is a flowchart of an information backup method according to an embodiment of the present invention. As shown in Figure 3, the method may include the following processing steps:

Step S302: Establishing a path between the first CPU and the first management switch, wherein both the first CPU and the first management switch are located on the first main control board, and the first main control board is currently in an active state;

Step S304: Use the first CPU to manage the first main control board and the second main control board, and transmit the generated management information to the second CPU for backup via the first management switch, wherein the second CPU is located on the second main control board. On the control board, the second main control board is currently in the standby state.

Adopting the method shown in Figure 3 solves the problem that the CPU on the main control board in the main state in the related art not only increases the hardware cost but also increases the operation complexity due to the setting of two network ports, thereby reducing the main The hardware cost of the CPU on the control board also reduces the operational complexity of the CPU control.

Preferably, in step S304, after the first CPU is used to manage the first main control board and the second main control board, and the generated management information is transmitted to the second CPU via the first management switch for backup, the following may also be included: operate:

Step S1: When the first main control board switches from the active state to the standby state, disconnect the path between the first CPU and the first management switch, and establish the path between the first CPU and the second management switch, wherein , the second management switch is located on the second main control board.

In a preferred embodiment, when an active-standby switchover occurs, the main control board in the standby state switches to the active state, and the main control board in the active state switches to the standby state, the switch is turned to the other side, and the first CPU The path with the first management switch is disconnected, and at the same time, the path between the first CPU and the second management switch is established.

Preferably, in step S1, when the first main control board is switched from the active state to the standby state, the path between the first CPU and the first management switch is disconnected, and the path between the first CPU and the second management switch is established. After the pathway, the following steps may also be included:

Step S2: When the second main control board switches from the standby state to the active state, establish a path between the second CPU and the second management switch.

In a preferred embodiment, the switch on the main control board in the standby state is turned to the other side, the path between the first management switch and the second CPU is disconnected, and the connection between the second CPU and the second management switch is also established. path between. In this way, only one network port needs to be set up on the CPU to realize system management and real-time backup of active and standby management data.

Fig. 4 is a structural block diagram of an information backup device according to an embodiment of the present invention. As shown in FIG. 4, the information backup device may include: a first establishment module 100, configured to establish a path between the first CPU and the first management switch, wherein the first CPU and the first management switch are both located at the first On the main control board, the first main control board is currently in the active state; the transmission module 102 is configured to use the first CPU to manage the first main control board and the second main control board, and transmit the generated management information through the first main control board The management switch transmits data to the second CPU for backup, wherein the second CPU is located on the second main control board, and the second main control board is currently in a standby state.

Adopting the device shown in Figure 4 solves the problem that the CPU on the main control board in the main state in the related art not only increases the hardware cost but also increases the operation complexity due to the setting of two network ports, thereby reducing the main The hardware cost of the CPU on the control board also reduces the operational complexity of the CPU control.

Preferably, as shown in FIG. 5, the above-mentioned device may further include: a second establishment module 104, configured to disconnect the connection between the first CPU and the first management switch when the first main control board is switched from the active state to the standby state. and establish a path between the first CPU and the second management switch, where the second management switch is located on the second main control board.

From the above description, it can be seen that the above embodiments achieve the following technical effects (it should be noted that these effects are the effects that can be achieved by some preferred embodiments): adopting the technical solution provided by the present invention saves the main controller The number of network ports of the CPU on the board and the workload of software development for network port definition are simple to control and save development costs. This technical solution has been tested extensively on Ethernet Passive Optical Network (EPON) products, and the results show that the active/standby switchover works normally.

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 (8)

1. A main control board, characterized in that, the main control board comprises: a central processing unit CPU, a management switch and a switching device; The CPU is configured to manage the main control board and the main control board in the standby state and generate management information when the main control board is in the active state; The switching device is located between the CPU and the management switch, and is used to establish a path between the CPU and the management switch when the main control board is in the active state; The management switch is connected to the main control board in standby state via a network interface provided by the management switch, and is used to receive management information from the CPU and forward it to the main control board in standby state. 2. The main control board according to claim 1, characterized in that, The switching device is further configured to disconnect the path between the CPU and the management switch when the main control board is switched from the active state to the standby state, and switch between the CPU and the A path is established between the management switches of the main control board in the standby state. 3. The main control board according to claim 1 or 2, wherein the switching device is one of the following: Analog switch, single pole double throw switch. 4. A master-standby system, characterized in that the master-standby system comprises: two main control boards; Each main control board includes: The central processing unit CPU is used to manage the main control board and the main control board in standby state and generate management information when the main control board is in the active state; A switching device, located between the CPU and the management switch, is used to establish a path between the CPU and the management switch when the main control board is in the active state; The management switch is connected to the main control board in standby state via a network interface provided by the management switch, and is used to receive management information from the CPU and forward it to the main control board in standby state. 5. the main backup system according to claim 4, is characterized in that, The switching device is further configured to disconnect the path between the CPU and the management switch when the main control board is switched from the active state to the standby state, and switch between the CPU and the A path is established between the management switches of the main control board in the standby state. 6. A method for backing up information, comprising: Establishing a path between the first central processing unit CPU and the first management switch, wherein both the first CPU and the first management switch are located on the first main control board, and the first main control board is currently on the main control board. use state; The first CPU is used to manage the first main control board and the second main control board, and the generated management information is transmitted to the second CPU via the first management switch for backup, wherein the second The CPU is located on the second main control board, and the second main control board is currently in a standby state, Wherein, the first CPU is used to manage the first main control board and the second main control board, and the generated management information is transmitted to the second CPU via the first management switch After performing the backup, it also includes: when the first main control board is switched from the active state to the standby state, disconnecting the path between the first CPU and the first management switch, and establishing A path between the first CPU and a second management switch, wherein the second management switch is located on the second main control board. 7. The method according to claim 6, wherein when the first main control board is switched from the active state to the standby state, disconnecting the first CPU from the first After managing the path between the switches, and establishing the path between the first CPU and the second management switch, it also includes: When the second main control board switches from the standby state to the active state, establish a path between the second CPU and the second management switch. 8. A backup device for information, comprising: The first establishment module is configured to establish a path between the first central processing unit CPU and the first management switch, wherein both the first CPU and the first management switch are located on the first main control board, and the second A main control board is currently in the active state; a transmission module, configured to use the first CPU to manage the first main control board and the second main control board, and transmit the generated management information to the second CPU via the first management switch for backup, wherein , the second CPU is located on the second main control board, and the second main control board is currently in a standby state, Wherein, the device further includes: a second establishment module, configured to disconnect the first CPU from the first management board when the first main control board is switched from the active state to the standby state. and establishing a path between the first CPU and a second management switch, wherein the second management switch is located on the second main control board.