CN102156670B - Storage system and method for treating access request in storage system - Google Patents
Storage system and method for treating access request in storage system Download PDFInfo
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Abstract
The invention provides a storage system and a method for treating access request in the storage system. The system comprises a server, a storage rear panel and two expansion plates, wherein the storage rear panel is integrated with a disk array; each expansion plate is integrated with an expansion chip; the two expansion chips are main and secondary expansion chips; the server comprises a recording module and a triggering module; the recording module is used for recording the access request untreated by the main expansion chip in the process of treating the access request of the server for accessing the disk array on the storage rear panel by using the main expansion chip; and the triggering module is used for triggering the secondary expansion chip to treat the untreated access request recorded by the recording module when the main expansion chip is in fault.
Description
Technical field
The present invention relates to computer application field, relate in particular to a kind of method and storage system of processing access request in storage system.
Client is also more and more diversified for the demand of storage products at present.JBOD(Just Bundle Of Disks, JBOD) be the important memory device of a class in field of storage.The advantage of JBOD is its low cost and large capacity.It provides a kind of cost advantage that has, and can configure the storage mode of high power capacity.But shortcoming is also very obvious, the reliability of JBOD is just very inferior than other arrays.Conventional store array is to design extended chip in storage on backboard, and this extended chip is connected with server, and the memory controller on extended chip and server carries out interconnected, in order to identification, stores the disk array on backboard, the access request of processing server.
In realizing process of the present invention, inventor finds prior art, and at least there are the following problems:
Once extended chip itself or its perimeter circuit break down, and just may cause the inefficacy of whole JBOD.The business of so moving just need to stop at once, and this is for some industry, and such as bank etc., this is unacceptable.Must assurance business in 24 hours, be continuous uninterrupted operation.
Summary of the invention
The invention provides a kind of method and storage system of processing access request in storage system, the technical matters that solve is how to guarantee that the storage system that comprises extended chip can run without interruption continuously.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A storage system, comprises server and storage backboard, and wherein said storage backboard is integrated with disk array, and described system also comprises two expansion board, is integrated with respectively an extended chip, and two extended chips are active and standby each other, and wherein said server comprises:
Logging modle, the access request process for process disk array described in described server memory access by primary extended chip, records the untreated access request completing of primary extended chip;
Trigger module, for when described primary extended chip breaks down, triggers the untreated access request completing that described spare extension chip is processed described logging modle record.
Preferably, described system also has following features: in described two expansion board, at least one also comprises:
Control module, for when described extended chip being detected and depart from expansion board, stops as described expansion board power supply, and when expansion board being detected and connected new extended chip, starts the expansion board power supply that has connected new extended chip for described.
Preferably, described system also has following features: described control module also comprises:
Detecting unit, for detection of in expansion board on unsettled pin and described storage backboard the level between the pin of ground connection whether be low level;
Determining unit, while being low level for the level obtaining in detection, determines that extended chip is connected with described expansion board; When the level obtaining in detection is high level, determine that extended chip and described expansion board depart from.
Preferably, described system also has following features: described server also comprises:
Removing module, when finishing dealing with, deletes the record to the treatment state of this access request for the treatment state at an access request of logging modle.
A kind of method of processing access request in storage system, described storage system comprises server and storage backboard, wherein said storage backboard is integrated with disk array, described storage system also comprises two expansion board, be integrated with respectively an extended chip, two extended chips are active and standby each other, and wherein said method comprises:
Process described server memory access by primary extended chip described in, store in the access request process of disk array on backboard, record the untreated access request completing of primary extended chip;
When described primary extended chip breaks down, trigger described spare extension chip and process the described untreated access request completing.
Preferably, described method also has following features: described method also comprises:
When extended chip being detected and depart from expansion board, stop as described expansion board power supply, and when expansion board being detected and connected new extended chip, start the expansion board power supply that has connected new extended chip for described.
Preferably, described method also has following features: the annexation of extension of detecting capability chip and expansion board in the following way, comprising:
On extension of detecting capability plate, on unsettled pin and described storage backboard, whether the level between the pin of ground connection is low level;
When the level obtaining in detection is low level, determine that extended chip is connected with described expansion board; When the level obtaining in detection is high level, determine that extended chip and described expansion board depart from.
Preferably, described method also has following features: described method also comprises:
At the treatment state of access request, when finishing dealing with, delete the record to the treatment state of this access request.
Compared with prior art, embodiment provided by the invention, two extended chips are set, when an extended chip is processed memory access task therein, record the treatment state of this extended chip to access request, once this extended chip breaks down, according to the treatment state of the access request having recorded, use another piece extended chip to proceed access request, realized the seamless switching of extended chip, guaranteed the continuous uninterrupted operation of system.
Accompanying drawing explanation
Fig. 1 is the structural representation that the invention provides a kind of storage system embodiment;
Fig. 2 is another structural representation of server in system shown in Figure 1 embodiment;
Fig. 3 is the schematic flow sheet of processing the embodiment of the method for access request in storage system provided by the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.It should be noted that, in the situation that not conflicting, the embodiment in the application and the feature in embodiment be combination in any mutually.
Fig. 1 is the structural representation that the invention provides a kind of storage system embodiment.System shown in Figure 1 embodiment comprises server and storage backboard, and wherein said storage backboard is integrated with disk array; Wherein also comprise two expansion board, be integrated with respectively an extended chip, two extended chips are active and standby each other, and wherein said server comprises:
Logging modle, for process the access request process of storing disk array on backboard described in described server memory access by primary extended chip, records the untreated access request completing of described primary extended chip;
Trigger module, for when described primary extended chip breaks down, triggers the untreated access request completing that described spare extension chip is processed described logging modle record.
System embodiment provided by the invention, two extended chips are set, when an extended chip is processed memory access task therein, record the treatment state of this extended chip to access request, once this extended chip breaks down,, according to the treatment state of the access request having recorded, use another piece extended chip to proceed access request, realize the seamless switching of extended chip, guaranteed the continuous uninterrupted operation of system.
Wherein said logging modle can manage the progress of primary extended chip processing access request in the following way, specifically comprises:
Obtain the current access request newly increasing of the untreated access request completing and Real-time Obtaining; Treatment state according to primary extended chip to each access request, by request of access be divided into untreated, process in and totally 3 states of finishing dealing with, wherein the primary extended chip of untreated state representation is not yet processed this access request; In processing, the primary extended chip of state representation is being processed access request but is not being finished dealing with; Processed this access request that completes of the primary extended chip of the state representation of finishing dealing with.
Fig. 2 is another structural representation of server in system shown in Figure 1 embodiment.Wherein, in order to guarantee to discharge in time storage space, the server shown in Fig. 2 also comprises:
Removing module, when finishing dealing with, deletes the record to the treatment state of this access request for the treatment state at an access request of logging modle.
When described primary extended chip being detected and break down, described trigger module is according to obtaining the untreated access request completing from logging modle in logging modle; If the treatment state of described access request is untreated, according to the treatment scheme of prior art, process; If the treatment state of described access request, in processing, can re-start processing according to the treatment scheme of prior art.
For example, be the corresponding daily record of equaling a record of each memory access task, when there is the switching of extended chip, according to the task in daily record, contrast source file and file destination, if file destination exists different with source file, be considered as uncompleted memory access task, re-execute this task.
In actual applications, described two expansion board are connected with described server by storage cable, by connector, are connected with described storage backboard.
Optionally, for fear of when changing described extended chip in the future, electric current excessive defective chip of moment in expansion board, also comprises:
Control module, for when described primary extended chip being detected and depart from expansion board, stops as described expansion board power supply, and when expansion board being detected and connected new extended chip, starts the expansion board power supply that has connected new extended chip for described.
In actual applications, expansion board is connected to the power module that is used to disk array power supply on storage backboard by connector, by this power module, provide the extended chip in expansion board required operating voltage; Certainly, also can be separately for expansion board configures corresponding power module.
Preferably, described control module also comprises:
Detecting unit, for detection of in expansion board on unsettled pin and described storage backboard the level between the pin of ground connection whether be low level;
Determining unit, while being low level for the level obtaining in detection, determines that extended chip is connected with described expansion board; When the level obtaining in detection is high level, determine that extended chip and described expansion board depart from.
Certainly, also can pass through the annexation of artificial enquiry expansion board and extended chip, then by manually Query Result being inputed to control module.
In like manner, described control module also can be powered by the power module on storage backboard, also can carry out separately power configuration.
Compared with prior art, embodiment provided by the invention, two extended chips are set, when an extended chip is processed memory access task therein, record the treatment state of this extended chip to access request, once this extended chip breaks down, according to the treatment state of the access request having recorded, use another piece extended chip to proceed access request, realized the seamless switching of extended chip, guaranteed the continuous uninterrupted operation of system.
Fig. 3 is the schematic flow sheet of processing the embodiment of the method for access request in storage system provided by the invention.In conjunction with the system embodiment shown in Fig. 1 and 2, storage system described in embodiment of the method shown in Fig. 3 comprises server and storage backboard, wherein said storage backboard is integrated with disk array, described storage system also comprises two expansion board, be integrated with respectively an extended chip, two extended chips are active and standby each other, and wherein said method comprises:
Optionally, described method also comprises:
When extended chip being detected and depart from expansion board, stop as described expansion board power supply, and when expansion board being detected and connected new extended chip, start the expansion board power supply that has connected new extended chip for described.
The annexation of extension of detecting capability chip and expansion board in the following way wherein, comprising:
On extension of detecting capability plate, on unsettled pin and described storage backboard, whether the level between the pin of ground connection is low level;
When the level obtaining in detection is low level, determine that extended chip is connected with described expansion board; When the level obtaining in detection is high level, determine that extended chip and described expansion board depart from.
Optionally, described method also comprises:
At the treatment state of access request, when finishing dealing with, delete the record to the treatment state of this access request.
Compared with prior art, embodiment provided by the invention, two extended chips are set, when an extended chip is processed memory access task therein, record the treatment state of this extended chip to access request, once this extended chip breaks down, according to the treatment state of the access request having recorded, use another piece extended chip to proceed access request, realized the seamless switching of extended chip, guaranteed the continuous uninterrupted operation of system.
The all or part of step that one of ordinary skill in the art will appreciate that above-described embodiment can realize by computer program flow process, described computer program can be stored in a computer-readable recording medium, described computer program (as system, unit, device etc.) on corresponding hardware platform is carried out, when carrying out, comprise step of embodiment of the method one or a combination set of.
Alternatively, all or part of step of above-described embodiment also can realize with integrated circuit, and these steps can be made into respectively integrated circuit modules one by one, or a plurality of modules in them or step are made into single integrated circuit module realize.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in above-described embodiment can adopt general calculation element to realize, and they can concentrate on single calculation element, also can be distributed on the network that a plurality of calculation elements form.
The form of software function module of usining each device/functional module/functional unit in above-described embodiment realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be ROM (read-only memory), disk or CD etc.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain described in claim.
Claims (8)
1. a storage system, comprises server and storage backboard, and wherein said storage backboard is integrated with disk array, it is characterized in that, described system also comprises two expansion board, is integrated with respectively an extended chip, two extended chips are active and standby each other, and wherein said server comprises:
Logging modle, the access request process for process disk array described in described server memory access by primary extended chip, records the untreated access request completing of primary extended chip;
Trigger module, for when described primary extended chip breaks down, triggers the untreated access request completing that described spare extension chip is processed described logging modle record;
The described untreated access request completing comprises the access request in untreated access request and processing.
2. system according to claim 1, is characterized in that, in described two expansion board, at least one also comprises:
Control module, for when described extended chip being detected and depart from expansion board, stops as described expansion board power supply, and when expansion board being detected and connected new extended chip, starts the expansion board power supply that has connected new extended chip for described.
3. system according to claim 2, is characterized in that, described control module also comprises:
Detecting unit, for detection of in expansion board on unsettled pin and described storage backboard the level between the pin of ground connection whether be low level;
Determining unit, while being low level for the level obtaining in detection, determines that extended chip is connected with described expansion board; When the level obtaining in detection is high level, determine that extended chip and described expansion board depart from.
4. system according to claim 1, is characterized in that, described server also comprises:
Removing module, when finishing dealing with, deletes the record to the treatment state of this access request for the treatment state at an access request of logging modle.
5. a method of processing access request in storage system, described storage system comprises server and storage backboard, wherein said storage backboard is integrated with disk array, it is characterized in that, described storage system also comprises two expansion board, be integrated with respectively an extended chip, two extended chips are active and standby each other, and wherein said method comprises:
Process described server memory access by primary extended chip described in, store in the access request process of disk array on backboard, record the untreated access request completing of primary extended chip;
When described primary extended chip breaks down, trigger described spare extension chip and process the described untreated access request completing;
The described untreated access request completing comprises the access request in untreated access request and processing.
6. method according to claim 5, is characterized in that, described method also comprises:
When extended chip being detected and depart from expansion board, stop as described expansion board power supply, and when expansion board being detected and connected new extended chip, start the expansion board power supply that has connected new extended chip for described.
7. method according to claim 6, is characterized in that, the annexation of extension of detecting capability chip and expansion board in the following way comprises:
On extension of detecting capability plate, on unsettled pin and described storage backboard, whether the level between the pin of ground connection is low level;
When the level obtaining in detection is low level, determine that extended chip is connected with described expansion board; When the level obtaining in detection is high level, determine that extended chip and described expansion board depart from.
8. method according to claim 5, is characterized in that, described method also comprises:
At the treatment state of access request, when finishing dealing with, delete the record to the treatment state of this access request.
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| CN104182006A (en) * | 2014-08-21 | 2014-12-03 | 浪潮电子信息产业股份有限公司 | Hard disk backboard designing method supporting redundancy of dual controllers |
| CN110602459A (en) * | 2019-09-19 | 2019-12-20 | 广东实联医疗器械有限公司 | Medical wireless video transmitting circuit, receiving circuit and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101436151A (en) * | 2008-12-01 | 2009-05-20 | 成都索贝数码科技股份有限公司 | Data real time backup method and system based on file system |
| CN101776983A (en) * | 2009-01-13 | 2010-07-14 | 中兴通讯股份有限公司 | Synchronization method of information of double controllers in disk array and disk array system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436151A (en) * | 2008-12-01 | 2009-05-20 | 成都索贝数码科技股份有限公司 | Data real time backup method and system based on file system |
| CN101776983A (en) * | 2009-01-13 | 2010-07-14 | 中兴通讯股份有限公司 | Synchronization method of information of double controllers in disk array and disk array system |
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Effective date of registration: 20201110 Address after: 215100 No. 1 Guanpu Road, Guoxiang Street, Wuzhong Economic Development Zone, Suzhou City, Jiangsu Province Patentee after: SUZHOU LANGCHAO INTELLIGENT TECHNOLOGY Co.,Ltd. Address before: 100085 Beijing, Haidian District on the road to information on the ground floor, building 2-1, No. 1, C Patentee before: Inspur (Beijing) Electronic Information Industry Co.,Ltd. |