CN112732343B - Method for loading service primary and secondary board cards in stacking equipment - Google Patents
Method for loading service primary and secondary board cards in stacking equipment Download PDFInfo
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- CN112732343B CN112732343B CN202011634902.2A CN202011634902A CN112732343B CN 112732343 B CN112732343 B CN 112732343B CN 202011634902 A CN202011634902 A CN 202011634902A CN 112732343 B CN112732343 B CN 112732343B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1415—Saving, restoring, recovering or retrying at system level
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Abstract
The invention relates to the technical field of loading of primary and secondary board cards of stacking equipment, and discloses a method for loading a service primary and secondary board card in the stacking equipment. According to the method, after the local loading of the mother card is completed, a snapshot is performed, then the child card is informed to start the local loading, after the child card is loaded, the snapshot is performed, after all the loads are completed, the negotiation starting of the stacked negotiation board card is performed, the child-mother card of the non-stacked negotiation board card circularly waits for the notification of the negotiation completion, after the negotiation is completed, the mother card continues to perform global loading according to snapshot contents, after the global completion, the child card is informed to start the global loading, and the child card starts the global loading according to the snapshot contents until the completion. The method provided by the invention can solve the problem that the business primary and secondary board cards with the stacking negotiation function cannot be loaded when a plurality of business primary and secondary board cards in the stacking domain are loaded in parallel, and has certain universality and high efficiency.
Description
Technical Field
The invention relates to the technical field of loading of primary and secondary board cards of stacking equipment, in particular to a method for loading a service primary and secondary board card in stacking equipment.
Background
The stacking technology refers to combining a plurality of devices supporting stacking together and logically combining the devices into a whole device. In the stacking device, the main role and the standby role are formed, and the main role and the standby role are realized by sending a stacking protocol through a negotiation board card interface on the stacking device, so that the loading time sequence of a negotiation board card becomes important.
The current mainstream stacked equipment is distributed equipment, that is, the service function of the equipment can be customized by replacing a board card, so that the equipment cost which is originally high in price can be reduced. If the types of the service board cards are further refined, the service board cards are divided into a centralized board card and a master-slave board card, the centralized board card provides a set of functions for the whole board card, and the whole board card needs to be replaced together when the centralized board card is replaced; the primary and secondary board cards do not need to be replaced together, and the service can be replaced only by replacing the primary board cards on the whole mother board card, so that the cost can be saved more.
When distributed equipment with primary and secondary boards is stacked, the loading mode of the boards is very important, the traditional mode is sequential loading, namely each primary and secondary board must be sequentially loaded, when the previous board is not loaded, the next primary and secondary board must wait, and during the self loading of the primary and secondary boards, the primary board is not loaded, and the secondary board must wait, so that the advantage that the stacking protocol negotiation boards can be appointed to be loaded first, then the equipment in the stacking domain can be negotiated, and after the negotiation is finished, other boards are sequentially loaded, so that the disorder behavior of the loading boards can be prevented; similarly, the disadvantage of this method is not negligible, that is, the board loading of the device is very time consuming, the starting time of the device is too long, if there are many stacked devices, the problem is more serious, the negotiation time is too long, and the stacking negotiation may be overtime, so that the stacking negotiation can never be completed. The other mode is that the board cards are loaded in parallel, that is, all the mother cards are loaded simultaneously, and all the daughter cards are also loaded simultaneously (it is noted that although the daughter cards are loaded simultaneously, it is still necessary to judge whether the loading of the own mother card is completed before the reloading), which has the advantage that the starting speed of the whole stacking device is greatly increased, but the disadvantage is also obvious, that is, if the non-negotiation board card is loaded earlier than the negotiation board card, the loading of the non-negotiation board card is problematic, so that the problem of correctness can be considered while the efficiency is ensured.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the master card carries out a snapshot after the local loading of the master card is finished, then the slave card is informed to start the local loading, the snapshot is carried out after the slave card is loaded, all equipment in the stacking domain starts negotiation after the loading is finished, the master card continues the global loading according to the snapshot content after the negotiation is finished, the slave card is informed to start the global loading after the global loading is finished, and the slave card starts the global loading according to the snapshot content until the completion.
The technical scheme adopted by the invention is as follows:
a method for loading service primary and secondary board cards in stacking equipment comprises the following steps:
step 1: the master card carries out local loading, hardware driving is enabled, the master card sets a local recording state, the current state and information of the master card are recorded after the local recording state is successfully loaded, namely, the master card carries out one-time snapshot and sends a local loading notice to the slave card, then the master card stops carrying out next global loading, and waits for a global loading notice after sending the local loading notice;
if the local loading of the mother card fails, reporting the error reason to local equipment, determining an abnormal flow by the local equipment, and positioning the state of the mother card as abnormal;
step 2: after responding to the local loading notification of the mother card, the daughter card starts local loading, enables the hardware drive of the daughter card and sets a local state; recording the current state and information of the daughter card after successful loading, namely, carrying out a snapshot on the daughter card, stopping carrying out next global loading on the daughter card, and waiting for a notification of the global loading issued by the mother card;
if the daughter card fails to be loaded, reporting an error type to the mother card, reporting the error type to local equipment by the mother card, determining to perform an exception handling process on the mother card by the local equipment, and positioning the state of the mother card to be abnormal; the generality of the method is improved by carrying out exception handling on the mother card;
and step 3: after the mother card and the daughter card complete local loading, all devices in the stacking domain start negotiation, and after the negotiation is finished, a global loading notification is sent;
and 4, step 4: after receiving the notification of global loading, the mother card carries out global loading according to the role of the stacking equipment and the snapshot information during local loading, carries out global loading, and if the mother card is successfully loaded, notifies the daughter card to start global loading; if the loading of the mother card fails, the mother card reports error information to the main equipment, and the main equipment determines an abnormal processing flow;
and 5: after receiving the global loading notification of the master card, the slave card carries out global loading of the slave card according to snapshot information during local loading, sends a notification of successful loading to the master card after successful loading, and then the master card sends a notification of successful loading to the master equipment, and the master equipment marks that the service master-slave card is successfully loaded; and if the loading fails, reporting the error type to the mother card, reporting the error type to the global main equipment through the mother card, and judging an abnormal processing flow by the main equipment according to the error type.
Compared with the prior art, the beneficial effects of adopting the technical scheme are as follows:
1. the problem that when a plurality of service primary and secondary board cards in a stacking domain are loaded in parallel, the service primary and secondary board cards with the stacking negotiation function cannot be loaded is solved.
2. The snapshot technology can be used for rapidly enabling the basic functions of the primary and secondary board cards, and a foundation is provided for the stack negotiation.
3. The method and the device are not only suitable for loading the parallel board card, but also suitable for loading the serial board card, and the special behavior that the board card is loaded firstly by the appointed stacking negotiation is not needed, so that the board card loading process is more universal.
4. The method of the invention can also be extended to the component loading mode of other distributed embedded devices.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The service board loading is generally divided into two steps, namely, the local loading in the equipment is completed firstly, then the global loading is completed according to the election role of the equipment in the stacking range, and the service board loading can be considered to be completed only if the two steps are completed.
The two steps are different in terms of the function presented by the loading of the service board card, and the local loading in the stacking equipment mainly completes the drive loading of the service board card and the enabling of the service function; the global loading mainly completes the stacking logic division and global configuration issuing of the service board card.
The loading of the primary and secondary service board cards is divided into two stages of primary card loading and secondary card loading, namely, the primary card loading is completed (the two steps are completed completely), and then the secondary card is informed to start loading until the secondary card loading is completed (the two steps are completed completely), so that the primary and secondary board cards can be considered to be completely loaded.
According to the steps and the principle, the problem that the board card cannot be loaded and completed if the stacking negotiation is not completed in the parallel board card loading process can be found, and the problem is focused by the invention, and the root cause of the problem is the timing sequence problem of local loading and global loading.
As shown in fig. 1, the method for loading the service mother and daughter boards in the stacking device provided in this embodiment specifically includes the following steps:
step 1, the mother card firstly responds to a local loading notice in the equipment, starts to carry out local loading, enables a hardware driver and sets a local loading state.
Step 2, if the loading in the step 1 fails, reporting an error reason to the local equipment, determining an abnormal flow (such as restarting or isolating) by the local equipment, and setting the state of the mother card as abnormal; if the loading in the step 1 is successful, recording all states and information (such as all function information, states and the like) of the current mother card, namely, carrying out snapshot on the mother card once, informing the daughter card to carry out local loading, then suspending the next global loading, and after sending a notification that the daughter card carries out local loading, starting to wait for the notification of the global loading.
And 3, after the daughter card responds to the local loading notification of the mother card, starting local loading of the daughter card, enabling hardware driving of the daughter card, and setting a local state.
Step 4, if the loading in the step 3 fails, reporting an error type to the mother card, reporting the error type to local equipment by the mother card, determining to perform an abnormal process on the mother card by the local equipment, and positioning the state of the mother card to be abnormal; the exception handling process aiming at the mother card aims to improve the universality of the whole method, and because some daughter cards are not controlled, the control through the mother card is more convenient and efficient;
if the loading in the step 3 is successful, recording all states and information of the current daughter card, namely, carrying out snapshot on the daughter card, then suspending the daughter card to carry out next global loading, and waiting for the global loading notification of the mother card.
And 5, after the local loading of the mother card and the daughter card is finished, all the devices in the stacking domain start to negotiate, after the negotiation in the stacking domain is finished, a global loading notification is sent, and after the mother card receives the notification, the global loading is carried out according to the role of the stacking devices and the snapshot information during the local loading, so that the global configuration is enabled, the global device board clamping diagram is added, and the like.
And 6, if the global loading of the mother card in the step 5 fails, the mother card reports error information to the main equipment, the main equipment determines an abnormal process, and if the global loading of the mother card in the step 5 succeeds, the daughter card is informed to start the global loading.
And 7, after receiving the global loading notification of the mother card, the daughter card starts to perform global loading of the daughter card according to the snapshot information during local loading, so that the actions of global function configuration and the like of the daughter card are enabled.
Step 8, if the overall loading of the daughter card fails in the step 7, the daughter card reports an error type to the mother card, the mother card reports the error type to the overall master device, and the master device judges an abnormal processing flow according to the error type;
and 7, if the overall loading of the daughter card is successful, the daughter card reports a successful notice to the mother card, at the moment, the mother card reports a successful notice of the overall loading to the main equipment, and the main equipment marks that the loading of the service mother and daughter card is successful.
The method provided by the invention only relates to loading and not to unloading, and has the following characteristics:
1. universality: the loading method of the master-slave board card is not only suitable for the high-efficiency parallel loading process of the service board cards, but also suitable for the traditional serial loading process, and can remove the limitation condition that the specified service board card is loaded firstly in the serial loading process, so that the serial loading process is more universal. The method is also suitable for the primary and secondary service board cards and the centralized board card.
2. High efficiency: the method is different from the traditional flow that the loading can be carried out only after the stacked equipment negotiates the role, the daughter board card can be loaded before the role is not negotiated, the negotiation process of the stacked equipment is not influenced, and the basic guarantee is not provided for the completely parallel loading.
3. Self-replenishing property: for the non-hardware damage problem, generally restarting can be solved approximately, so that the mother card or the daughter card can analyze whether the problem is a group problem according to the self-loading condition, and if the problem is the group problem, the abnormal component can be notified to the equipment or the mother card and is tried to be restarted; if the restart cannot be solved, the abnormal type can be reported to the equipment or the mother card and the isolation of the equipment or the mother card can be suggested, so that the influence on the efficiency of the whole machine due to the long-time repair of the equipment or the mother card is avoided.
The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed. Those skilled in the art to which the invention pertains will appreciate that insubstantial changes or modifications can be made without departing from the spirit of the invention as defined by the appended claims.
Claims (5)
1. A method for loading service primary and secondary board cards in stacking equipment is characterized by comprising the following steps:
step 1: the master card carries out local loading, records the current state and information of the master card after the loading is successful, sends a local loading notice to the slave card, then the master card stops carrying out next global loading, and waits for the notice of the global loading after sending the local slave card loading notice;
step 2: the daughter card responds to a local loading notification sent by the mother card and carries out local loading, after the local loading is successful, the current state and information of the daughter card are recorded, then the daughter card stops carrying out next global loading, and waits for the mother card to issue a global loading notification;
and step 3: after the mother card and the daughter card complete local loading, all devices in the stacking domain start negotiation, and after the negotiation is completed, a global loading notification is sent to the whole domain by the main device in the stacking domain;
and 4, step 4: after receiving the notification of the global loading, the mother card carries out the global loading, and after the loading is successful, the mother card is notified to start the global loading;
and 5: after receiving the global loading notification of the mother card, the daughter card carries out global loading of the daughter card, and after successful loading, the mother card sends a notification of successful loading to the mother card, and then the mother card sends a notification of successful loading to the main equipment, and the main equipment marks that the service mother-daughter card is successful in loading;
the step 1 comprises the following steps:
step 11: responding to a local loading notification in the equipment by the mother card, starting local loading, enabling a hardware driver, and setting a local loading state;
step 12: if the local loading of the mother card fails, reporting the error reason to local equipment, determining an exception handling process by the local equipment, and setting the state of the mother card as an exception;
and if the local loading of the mother card is successful, recording all states and information of the current mother card, stopping the next global loading, and after sending a sub-card loading notice, starting to wait for a notice of the global loading.
2. The method according to claim 1, wherein the step 2 includes:
step 21: the daughter card responds to a local loading notification sent by the mother card, starts local loading of the daughter card, enables hardware driving of the daughter card, and sets a local state;
step 22: if the local loading of the daughter card fails, reporting an error type to the mother card, reporting the error type to local equipment by the mother card, determining the abnormal processing flow of the mother card by the local equipment, and positioning the state of the mother card to be abnormal;
if the local loading of the daughter card is successful, recording all states and information of the current daughter card, stopping the next global loading of the daughter card, and waiting for the mother card to send a notification of the global loading.
3. The method according to claim 1, wherein the step 4 includes:
step 41: after receiving the notification of global loading, the mother card carries out global loading according to the role of the stacking equipment and the information recorded during local loading;
step 42: if the global loading of the mother card fails, the mother card reports error information to the main equipment, and the main equipment determines an abnormal processing flow; if the global load is successful, the daughter card is notified to begin the global load.
4. The method according to claim 1, wherein the step 5 includes:
step 51: after receiving the global loading notification of the mother card, the daughter card carries out global loading according to the information recorded during local loading;
step 52: if the overall loading of the daughter card fails, the daughter card reports an error type to the mother card, the mother card reports the error type to the main equipment, and the main equipment judges an abnormal processing flow according to the error type; if the daughter card is loaded successfully in the whole situation, the daughter card reports a notice of successful loading to the mother card, at the moment, the mother card reports a notice of successful loading in the whole situation to the main equipment, and the main equipment marks that the mother-son board card is loaded successfully.
5. The method according to any of claims 2-4, wherein the exception handling process includes restart and isolation.
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| CN109582242A (en) * | 2018-12-04 | 2019-04-05 | 北京和讯永源科技有限公司 | The address of cascade memory array system determines method, apparatus, electronic equipment |
| CN109688454A (en) * | 2018-12-24 | 2019-04-26 | 北京潘达互娱科技有限公司 | Information displaying method, device, equipment and storage medium |
| CN109885327A (en) * | 2019-02-28 | 2019-06-14 | 新华三信息安全技术有限公司 | A kind of method and device upgrading CPLD |
| CN110031700A (en) * | 2019-03-25 | 2019-07-19 | 中国科学院合肥物质科学研究院 | A kind of satellite load universal grounding detection board based on PXI bus |
| CN110636015A (en) * | 2019-10-12 | 2019-12-31 | 迈普通信技术股份有限公司 | Communication system and board card configuration method |
| CN110908943A (en) * | 2019-12-09 | 2020-03-24 | 迈普通信技术股份有限公司 | Board card automatic adapting method, device, network equipment and storage medium |
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