CN101557315B - Method, device and system for active-standby switch - Google Patents
Method, device and system for active-standby switch Download PDFInfo
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- CN101557315B CN101557315B CN2009101404533A CN200910140453A CN101557315B CN 101557315 B CN101557315 B CN 101557315B CN 2009101404533 A CN2009101404533 A CN 2009101404533A CN 200910140453 A CN200910140453 A CN 200910140453A CN 101557315 B CN101557315 B CN 101557315B
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Abstract
The invention relates to the technical field of communication and discloses a method, a device and a system for active-standby switching; wherein the method comprises the steps of: monitoring that whether an active server is in normal condition, loading strategy data which is in the active server and used for processsing services into a standby server when the active server is not in normal condition, and controlling the standby server to process services according to the loaded strategy data of the active server. The invention can realize the active-standby switching in a server cluster system under the condition that no disk chassis is used for sharing service data, thereby lowering the cost of the system.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of main/standby switching method, Apparatus and system.
Background technology
When handling mass data, tend to adopt multiple servers to work simultaneously at present to satisfy processing requirements.But for various reasons, server may break down when business service is provided, thereby can not continue to provide service to the user, influences service quality.
In order to prevent above-mentioned situation, it is fault-tolerant to adopt main mode with server and standby server coexistence to carry out usually, promptly adopts standby server to take over main work with server when the master breaks down with server.Standby server does not carry out work when being in stand-by state, have only and just carry out work when the master breaks down with server, and is main with connecting by the heartbeat network between server and the standby server.
See also Fig. 1, Fig. 1 is the structure chart of existing a kind of server cluster system, and as shown in Figure 1, this group system comprises main with server A, main with server B and standby server C; Main with server A, main with continuous between server B and the standby server C by the heartbeat network, and by disk chassis shared service data, do not work when standby server C is flat, stand-by state be in.When the master broke down with server B with server A or master, the fault master on the standby server C loading disk chassis continued to provide service to the user with the Floating IP address of server with business datum, the binding fault master of server.Such as, when the master breaks down with server A, use the server A fault to the master by the heartbeat network measuring; Fault master on loading disk chassis on the standby server C uses unsteady Internet protocol (IP, the Internet Protocol) address of server A with the business datum of server A, binding fault master, and standby server C begins to provide follow-up service by Floating IP address; After the fault master was repaired with server A, the manual standby server C that triggers switched to the main server A of using with business, and this moment, standby server C was in stand-by state once more.
The inventor finds, when realizing active and standby switching in existing server cluster system, needs to use disk chassis shared service data, and cost is than higher.
Summary of the invention
The embodiment of the invention provides a kind of main/standby switching method, Apparatus and system, can need not to use under the disk chassis shared service data conditions, realizes the active and standby switching in the server cluster system.
To achieve these goals, the embodiment of the invention provides following technical scheme:
The embodiment of the invention provides a kind of main/standby switching method, comprising: whether monitoring is main takes place unusually with server; When described master takes place described master to be loaded into standby server with the policy data that server is used to manage business when unusual with server; Control described standby server and carry out Business Processing according to described main policy data with server; Wherein, the policy data that described master is used for managing business with server is loaded into standby server and comprises: obtain the policy data that described master is used to manage business with server from service managing server, and described policy data is loaded into standby server; Perhaps instruct described standby server from service managing server, to obtain and load the policy data that described master is used to manage business with server.
The embodiment of the invention provides a kind of active and standby switching device shifter, comprising: monitoring unit is used for whether monitoring is main takes place unusually with server; Loading unit is used for taking place described master to be loaded into standby server with the policy data that server is used to manage business when unusual with server as described master; Control unit is used to control described standby server and carries out Business Processing according to described main policy data with server; Described loading unit comprises and obtains subelement and operation subelement: the described subelement that obtains is used for taking place to obtain the policy data that described master is used to manage business with server when unusual from service managing server with server as described master; Described operation subelement is used for described master is loaded into standby server with the policy data that server is used to manage business; Perhaps, described loading unit comprises: the instruction subelement, be used for taking place when unusual with server as described master, and instruct described standby server from service managing server, to obtain and load the policy data that described master is used to manage business with server.
The embodiment of the invention also provides a kind of server cluster system, comprising:
Main with server, standby server and active and standby switching device shifter; Described master uses server, is used to carry out Business Processing; Described active and standby switching device shifter, be used for main taking place when unusual monitoring with server, described master is loaded into standby server with the policy data that server is used to manage business, and controls described standby server and carry out Business Processing according to described main policy data with server; Described standby server is used for taking place when unusual with server as described master, replaces described master to carry out Business Processing with server according to described main policy data with server; Service managing server is used to store the main policy data that is used to manage business with server; Described active and standby switching device shifter, be used for taking place when unusual with server monitoring described master, from described service managing server, obtain the policy data that described master is used to manage business with server, and described master is loaded into standby server with the policy data that server is used to manage business; Perhaps, described active and standby switching device shifter is used for taking place to instruct described standby server to obtain and load the policy data that described master is used to manage business with server from described service managing server when unusual with server monitoring described master.
Compared with prior art, the embodiment of the invention main takes place when unusual with server monitoring, the main policy data that is used to manage business with server is loaded into standby server, replacing the unusual master of generation to continue as the user with server by standby server provides Business Processing, thereby has realized the active and standby switching in the server cluster system.The embodiment of the invention has been avoided adopting the mode of disk chassis to carry out active and standby switching, can reduce system cost.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structure chart of existing a kind of server cluster system;
The flow chart of a kind of main/standby switching method of providing in the embodiment of the invention is provided Fig. 2;
The flow chart of a kind of main/standby switching method of providing in the embodiment of the invention is provided Fig. 3;
The flow chart of a kind of main/standby switching method of providing in the embodiment of the invention is provided Fig. 4;
The structure chart of a kind of active and standby switching device shifter of providing in the embodiment of the invention is provided Fig. 5;
The structure chart of a kind of loading unit of providing in the embodiment of the invention is provided Fig. 6;
A kind of server cluster system structure chart of Fig. 7 for providing in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Embodiment one,
See also Fig. 2, the flow chart of a kind of main/standby switching method that Fig. 2 provides for the embodiment of the invention one.As shown in Figure 2, this method can comprise:
201: whether monitoring is main takes place unusually with server;
Whether for instance, monitoring is main takes place can include but not limited to following method unusually with server:
Whether A1, monitoring receive main the indication with server being used to of sending mainly with server unusual message takes place, thereby determines mainly whether take place unusually with server.
Whether B1, monitoring receive described main heartbeat status data with server in the given time, thereby determine whether the master takes place with server unusually.
202: take place the main policy data that is used to manage business with server to be loaded into standby server when unusual with server when main;
For instance, the main policy data that is used to manage business with server is loaded into standby server and can includes but not limited to following method:
C1, from service managing server, obtain the main policy data that is used to manage business with server, and the master that will obtain is loaded into standby server with the policy data that server is used to manage business.
D1, instruction standby server obtain and load the policy data that the unusual master of generation is used to manage business with server from service managing server.
203: the control standby server carries out Business Processing according to the main policy data with server that is loaded.
For instance, the control standby server carries out Business Processing according to main policy data with server and can include but not limited to following method:
Unusual main unsteady Internet protocol (IP, Internet Protocol) address with server takes place in the binding of control standby server, so that standby server carries out Business Processing according to main policy data with server.
For instance,, after the control standby server carried out Business Processing according to main policy data with server, the method that the embodiment of the invention provides may further include:
Recover normal if monitor the master with server, then control standby server and stop to carry out Business Processing.
Specifically can discharge the main unsteady Internet protocol address of having bound, thereby stop to carry out Business Processing by the control standby server with server.
For instance, the main policy data that is used to manage business with server can include but not limited to main service quality (QoS, the Quality of Service) policy data that is used to manage business with server, routing policy data or the like.
The above-mentioned main/standby switching method that the embodiment of the invention one is provided is described in detail, the embodiment of the invention main takes place when unusual with server monitoring, can be loaded into standby server with unusual main policy data with server takes place, replace the master to continue as the user by standby server Business Processing is provided with server, thereby realized the active and standby switching in the server cluster system, avoided adopting the mode of disk chassis to carry out active and standby switching, reduced system cost.
Embodiment two,
See also Fig. 3, the flow chart of a kind of main/standby switching method that Fig. 3 provides for the embodiment of the invention two.As shown in Figure 3, this method can comprise:
301: whether monitoring is main takes place unusually with server, if then carry out 302; If not, then carry out 305;
Whether for instance, monitoring is main takes place can comprise unusually with server:
Whether monitoring receives main is represented mainly with server unusual message to take place with server being used to of sending;
Perhaps, whether monitoring receives main heartbeat status data with server in the given time, thereby determines whether the master takes place with server unusually.
For instance, the main server of using can pass through to receive after the switching message that is produced by the manual mode triggering, sends self unexpected message; Perhaps, main can unusual extension to have taken place in certain resource that monitors self with server dead, and can't recover the time, mainly represents self unexpected message with serving to send.
Because unusual situation when taking place in the main server of using, standby server and other network equipment transmission of mode in group system that generally can take to broadcast is used to indicate the unusual message of self generation, therefore, can mainly with server unusual message take place and determine mainly to take place unusually with server by receiving main the indication with server being used to of sending.
Because in server cluster system, main with connecting by the heartbeat network between server and standby server and other network equipments, and work as the master just often with server, main heartbeat status data with server can be received by standby server and other network equipments by the heartbeat network, therefore, if can not receive in the given time main with server the heartbeat status data think that this master taken place with server unusually.
302: from service managing server, obtain the policy data that unusual master is used to manage business with server takes place;
For instance, described master can be stored in service managing server in advance with the policy data that server is used for managing business, and the main policy data that is used to manage business with server can include but not limited to main qos policy data with server, routing policy data or the like.
303: unusual master will be taken place be loaded into standby server with the policy data that server is used to manage business;
304: the control standby server carries out Business Processing according to the main policy data with server that loads.
For instance, can control the standby server binding unusual main unsteady Internet protocol address with server takes place, standby server can carry out Business Processing according to unusual main policy data with server takes place like this.
Need to prove, take place when unusual with server, mainly can automatically perform off-line operation, and discharge the floating IP address of self with server when main.
305:, then control standby server and stop to carry out Business Processing if monitor main normally with server.
For instance, can discharge the main floating IP address with server bound by the control standby server, like this, when standby server discharges bound main with after the floating IP address of server, standby server will stop to carry out Business Processing.
Above-mentionedly provide main/standby switching method to be described in detail to the embodiment of the invention two, the embodiment of the invention main takes place when unusual with server monitoring, can from service managing server, obtain unusual main policy data with server takes place, and this policy data is loaded into standby server, replace the unusual master of generation to continue as the user by standby server Business Processing is provided with server, thereby realized the active and standby switching in the server cluster system, avoided adopting the mode of disk chassis to carry out active and standby switching, reduced system cost.
Embodiment three:
See also Fig. 4, the flow chart of a kind of main/standby switching method that Fig. 4 provides for the embodiment of the invention three.As shown in Figure 4, this method can comprise:
401: whether monitoring is main takes place unusually with server, if then carry out 402; If not, then carry out 404;
For instance, hang owing to the reason of sudden power causes when dead with server, mainly will stop all work, and discharge the floating IP address of self with server when main.At this moment, can not receive main heartbeat status data in the given time by judging with server, unusual thereby definite master is taken place with server.
402: the instruction standby server obtains and loads the policy data that the unusual master of generation is used to manage business with server from service managing server;
For instance, the main policy data that is used to manage business with server can include but not limited to main qos policy data with server, routing policy data or the like.
403: the control standby server carries out Business Processing according to the main policy data with server that loads.
For instance, can control the standby server binding unusual main unsteady Internet protocol address with server takes place, standby server can carry out Business Processing according to unusual main policy data with server takes place like this.
Need to prove, take place when unusual with server, mainly can automatically perform off-line operation, and discharge the floating IP address of self with server when main.
404:, then control standby server and stop to carry out Business Processing if monitor main normally with server.
For instance, can discharge the main floating IP address with server bound by the control standby server, like this, when standby server discharges bound main with after the floating IP address of server, standby server will stop to carry out Business Processing.
Said main number with server can be a plurality of in the present embodiment, and described standby server also can be a plurality of.Because of certain reason hang dead when main with server suddenly, can cause not receiving in the given time the heartbeat status data of this master with server, can determine that like this this master is unusual with the server generation, the policy data that unusual master is used to manage business with server take place thereby can instruct standby server from service managing server, to obtain and load.
The above-mentioned main/standby switching method that the embodiment of the invention three is provided is described in detail, the embodiment of the invention can take place when unusual with server in that monitoring is main, the instruction standby server is from obtaining and load main policy data with server from service managing server, replace the master to continue as the user according to the policy data that loads then Business Processing is provided with server, thereby realized the active and standby switching in the server cluster system, avoided adopting the mode of disk chassis to carry out active and standby switching, can reduce system cost.
Embodiment four:
See also Fig. 5, the structure chart of a kind of active and standby switching device shifter that Fig. 5 provides for the embodiment of the invention four.The active and standby switching device shifter that the embodiment of the invention provides both can be used as the active and standby switching that separate equipment is used for realizing server cluster system, also can be used as the part of standby server, was used for the active and standby switching of existing server cluster system.As shown in Figure 5, this device can comprise:
For instance, whether monitoring unit 501 can receive main the indication with server being used to of sending by monitoring and mainly with server unusual message takes place; Or whether receive main heartbeat status data in the given time, thereby determine whether described master takes place with server unusually with server by monitoring.
Because unusual situation when taking place in the main server of using, standby server and other network equipment transmission of mode in group system that generally can take to broadcast is used to indicate the unusual message of self generation, therefore, can mainly with server unusual message take place and determine mainly to take place unusually with server by receiving main the indication with server being used to of sending.
Because in server cluster system, main with connecting by the phychology network between server and standby server and other network equipments, and work as the master just often with server, main heartbeat status data with server can be received by other servers and other network equipments by the heartbeat network, therefore, can determine main unusual with the heartbeat status data of server by not receiving the master in the given time with the server generation.
See also Fig. 6, the structure chart of a kind of loading unit 502 that Fig. 6 provides for the embodiment of the invention five.As shown in Figure 6, this loading unit 502 can comprise:
Obtain subelement 5021, be used for taking place from service managing server, to obtain the main policy data that is used to manage business with server when unusual with server when main;
Operation subelement 5022 is used for the main policy data that is used to manage business with server is loaded into standby server.
Further, this loading unit 502 can also comprise:
Instruction subelement 5023 is used for taking place when unusual with server when main, and the instruction standby server obtains from service managing server and loads leads the policy data that is used to manage business with server.
For instance, the main policy data that is used to manage business with server can include but not limited to the main qos policy data that are used to manage business with server, routing policy data or the like.
For instance, control unit 503 can be controlled the standby server binding the unsteady Internet protocol address that unusual master discharges with server takes place, and carries out Business Processing according to the main policy data with server that loads.
Further, if monitoring unit 501 monitors main normal with the server recovery after control unit 503 control standby servers carry out Business Processing according to the main policy data with server that loads; At this moment, control unit 503 can further be controlled standby server and stops to carry out Business Processing.
For instance, control unit 503 can discharge the main floating IP address of having bound with server by the control standby server, when leading with after the floating IP address of server that standby server release has been bound, standby server will stop to carry out Business Processing.
The above-mentioned active and standby switching device shifter that the embodiment of the invention four is provided is described in detail, the embodiment of the invention main takes place when unusual with server monitoring, main policy data with server can be loaded into standby server, provide Business Processing by standby server for the user, thereby realized the active and standby switching in the server cluster system, avoided adopting the mode of disk chassis to carry out active and standby switching, can reduce system cost.
Embodiment five:
See also Fig. 7, the structure chart of a kind of server cluster system that Fig. 7 provides for the embodiment of the invention five.As shown in Figure 7, this server cluster system can comprise:
Main with server 701, active and standby switching device shifter 702 and standby server 703; Wherein,
Main with server 701, be used to carry out Business Processing;
Active and standby switching device shifter 702, be used for main taking place when unusual monitoring with server 701, the main policy data that is used to manage business with server 701 is loaded into standby server 703, and control standby server 703 carries out Business Processing according to main policy data with server 701;
As shown in Figure 7, the server cluster system that provides of the embodiment of the invention can also comprise:
For instance, for instance, the main policy data that is used to manage business with server 701 can include but not limited to lead the qos policy data that are used to manage business with server 701, routing policy data or the like.
At this moment, active and standby switching device shifter 702 can main take place when unusual with server 701 by monitoring, from service managing server 704, obtain the main policy data that is used to manage business with server 701, and will lead the policy data that is used to manage business with server 701 and be loaded into standby server 703;
Perhaps, active and standby switching device shifter 702 can main take place when unusual with server 701 by monitoring, and instruction standby server 703 obtains and load the main policy data that is used to manage business with server 701 from service managing server 704.
Further, active and standby switching device shifter 702 is after control standby server 703 carries out Business Processing according to main policy data with server 701, recover normal if monitor the main server 701 of using, then active and standby switching device shifter 702 can be controlled standby server 703 and stop to carry out Business Processing;
At this moment, standby server 703 can discharge the main floating IP address of having bound with server, stops to carry out Business Processing.
In the server cluster system that the embodiment of the invention provides, when the unusual master of standby server 703 replacement generations proceeds Business Processing with server 701, unusual master is taken place all can store business datum with server 701 and standby server 703, at this moment, the user can be by sending the business datum that request is obtained to be needed to service managing server 704.Service managing server 701 can to standby server 703 and take place unusual main with server 701 query traffic data after, gather and send to the user.In this case, can't proceed Business Processing though unusual master is taken place with server, single-shot is given birth to unusual master still can be equivalent to a memory (such as USB flash disk) use with server.
The above-mentioned server cluster system that the embodiment of the invention five is provided is described in detail, the embodiment of the invention main takes place when unusual with server monitoring, can be loaded into standby server with unusual main policy data with server takes place, provide Business Processing by standby server for the user, thereby realized the active and standby switching in the server cluster system, avoided adopting the mode of disk chassis to carry out active and standby switching, can reduce system cost.
Need to prove, for aforesaid each method embodiment, for simple description, so it all is expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not subjected to the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in the specification all belongs to preferred embodiment, and related action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, do not have the part that describes in detail among certain embodiment, can be referring to the associated description of other embodiment.
One of ordinary skill in the art will appreciate that, realize all or part of flow process in the foregoing description method, be to instruct relevant hardware to finish by computer program, program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, storage medium can be magnetic disc, CD, (ROM Read-OnlyMemory) or at random stores memory body (RAM, Random Access Memory) etc. to read-only storage memory body.
More than a kind of main/standby switching method, Apparatus and system that the embodiment of the invention provided are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. a main/standby switching method is characterized in that, comprising:
Whether monitoring is main takes place unusually with server;
When described master takes place described master to be loaded into standby server with the policy data that server is used to manage business when unusual with server;
Control described standby server and carry out Business Processing according to described main policy data with server;
Wherein, the policy data that described master is used to manage business with server is loaded into standby server and comprises:
From service managing server, obtain the policy data that described master is used to manage business with server, and described policy data is loaded into standby server; Perhaps instruct described standby server from service managing server, to obtain and load the policy data that described master is used to manage business with server;
Service managing server receives that the user sends is used to obtain the request that needs business datum, service managing server is to standby server and after unusual main usefulness server lookup business datum takes place, gather and send to the user, wherein when the unusual master of standby server replacement generation carries out Business Processing with server, unusual master is taken place all can store business datum with server and standby server.
2. method according to claim 1 is characterized in that, whether described monitoring master takes place to comprise unusually with server:
Whether monitoring receives main is indicated described master with server unusual message to take place with server being used to of sending; Perhaps
Whether monitoring receives described main heartbeat status data with server in the given time.
3. according to any described method of claim 1 to 2, it is characterized in that, control described standby server and carry out Business Processing according to described main policy data and comprise with server:
Control the described main unsteady Internet protocol address of described standby server binding, and carry out Business Processing according to described main policy data with server with server.
4. method according to claim 3 is characterized in that, also comprises:
Recover normal if monitor described master with server, then control described standby server and discharge the described main unsteady Internet protocol address of having bound, stop to carry out Business Processing with server.
5. method according to claim 1 is characterized in that, described policy data comprises quality of service policy data and/or routing policy data.
6. a server cluster system is characterized in that, comprising:
Main with server, standby server and active and standby switching device shifter;
Described master uses server, is used to carry out Business Processing;
Described active and standby switching device shifter, be used for main taking place when unusual monitoring with server, described master is loaded into standby server with the policy data that server is used to manage business, and controls described standby server and carry out Business Processing according to described main policy data with server;
Described standby server is used for taking place when unusual with server as described master, replaces described master to carry out Business Processing with server according to described main policy data with server;
When the unusual master of standby server replacement generation carries out Business Processing with server, unusual master is taken place all can store business datum with server and standby server;
Described system also comprises:
Service managing server is used to store the main policy data that is used to manage business with server;
Described active and standby switching device shifter, be used for taking place when unusual with server monitoring described master, from described service managing server, obtain the policy data that described master is used to manage business with server, and described master is loaded into standby server with the policy data that server is used to manage business;
Perhaps, described active and standby switching device shifter is used for taking place to instruct described standby server to obtain and load the policy data that described master is used to manage business with server from described service managing server when unusual with server monitoring described master;
Described service managing server also is used for, and what receive that the user sends is used to obtain the request that needs business datum, to standby server and take place unusual main with the server lookup business datum after, gather and send to the user.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101404533A CN101557315B (en) | 2009-05-15 | 2009-05-15 | Method, device and system for active-standby switch |
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| CN2009101404533A CN101557315B (en) | 2009-05-15 | 2009-05-15 | Method, device and system for active-standby switch |
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| CN101557315A CN101557315A (en) | 2009-10-14 |
| CN101557315B true CN101557315B (en) | 2011-12-21 |
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