CN101576837A - Storage control system and method - Google Patents
Storage control system and method Download PDFInfo
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- CN101576837A CN101576837A CNA2009101461131A CN200910146113A CN101576837A CN 101576837 A CN101576837 A CN 101576837A CN A2009101461131 A CNA2009101461131 A CN A2009101461131A CN 200910146113 A CN200910146113 A CN 200910146113A CN 101576837 A CN101576837 A CN 101576837A
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Abstract
The invention relates to the storage technology field and provides a storage control system and a method in order to solve the problems of lower storage efficiency and data security in the prior art. The method comprises the following steps: when one of a pair of storage controllers backuping each other has failure, another storage controller is called as an emergent storage controller according to predetermined rules; the emergent storage controller backups the data written in the storage controller free of failure in the pair of storage controllers backuping each other. The invention has the benefit that the storage controller free of failure calls the emergent storage controller to cache the written data, thus realizing the operation of write-back modes of storage equipments, improving the storage efficiency and guaranteeing the data security.
Description
Technical field
The present invention relates to technical field of memory, is a kind of storage control system and method concretely.
Background technology
In storage system, be illustrated in figure 1 as a kind of multi-controller of the prior art system schematic of configuration in pairs, every pair of controller is connected to common main frame and storage resources, every pair of controller and other controllers all have the physical connection can mutual communication, and All hosts can be visited all disks.4 controllers are arranged among the figure, also might expand to 6,8 etc.
Controller A and controller B managed together disk 1, (write-back mode: data write among the high speed Cache under write-back mode, controller is just write to user response earlier and is finished, select suitable opportunity that data are write disk then), the data that have some that disk A is write are stored respectively in the Cache of controller A and controller B, and wherein the data in controller Cache are as the backup of another controller data.
When one of them controller, when breaking down such as controller A, the data among the controller A Cache will be lost, and the data of preserving among the controller B this moment have not just had backup this moment, if do not write in the disk 1 at once, probably cause loss of data.
In the prior art, when controller A broke down, controller B write the data among the Cache in the disk at once, controller B is converted to the tracing pattern simultaneously, under this pattern, all write operations to disk 1 can not be put among the Cache earlier, carry out write operation but directly deliver to disk.
Because the write operation speed of disk is slower much than Cache write operation speed, and user's write request need just can feed back data are finished writing after and finish, so all of user all can be slack-off to the write operation speed of disk 1, the system performance reduction.
Summary of the invention
The embodiment of the invention provides a kind of storage control system and method, be used for solving prior art when the memory controller of a backup breaks down, another memory controller can only adopt the pattern of tracing that storer is operated, reduced storage efficiency, and the not high problem of data security.
To achieve these goals, the embodiment of the invention provides a kind of storage controlling method, and this method comprises: when one of a pair of mutually redundant memory controller breaks down, according to the emergent memory controller of other memory controller conduct of predetermined rule invocation; Described emergent memory controller backs up the data that write the memory controller that does not break down in the described a pair of mutually redundant memory controller.
To achieve these goals, the embodiment of the invention also provides a kind of storage control system, this system comprises: a plurality of memory controllers, when wherein the corresponding back-up storage controller of memory controller broke down, this memory controller that does not break down was according to the emergent memory controller of predetermined rule invocation; Described emergent memory controller backs up the data that write the described memory controller that does not break down.
The beneficial effect of the embodiment of the invention is, the embodiment of the invention is called the buffer memory that emergent memory controller writes data by the memory controller that does not break down, thereby realized the operation of the write-back mode of memory device has been improved storage efficiency, and ensured safety of data.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art 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.
Figure 1 shows that the system schematic that disposes in pairs for a kind of multi-controller in the prior art;
Figure 2 shows that storage controlling method embodiment process flow diagram of the present invention;
Figure 3 shows that memory controller example structure synoptic diagram of the present invention;
Figure 4 shows that the storage control system first example structure figure of the present invention;
Figure 5 shows that the storage control system second example structure figure of the present invention;
Figure 6 shows that storage control system the 3rd example structure figure of the present 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.
The embodiment of the invention provides a kind of storage control system and method.The present invention is described in detail below in conjunction with accompanying drawing.
Be illustrated in figure 2 as storage controlling method embodiment process flow diagram of the present invention.
As one embodiment of the present of invention, also comprise and detect the step whether one of described a pair of mutually redundant memory controller breaks down, the described memory controller that breaks down sends failure message to the described memory controller that does not break down when breaking down, the described memory controller that does not break down is according to the emergent memory controller of predetermined rule invocation.
As one embodiment of the present of invention, also comprise and detect the step whether one of described a pair of mutually redundant memory controller breaks down, described a pair of memory controller detects the other side mutually, when a side broke down, the described memory controller that does not break down was according to the emergent memory controller of predetermined rule invocation.
As one embodiment of the present of invention, described predetermined rule comprises: the nearest emergent memory controller of the described memory controller that does not break down of distance, perhaps the information with described emergent memory controller is stored on the described memory controller that does not break down in advance.
As one embodiment of the present of invention, call emergent memory controller according to pre-defined rule before, also comprise, the described memory controller that does not break down obtains the resource utilization of other memory controller, in call emergent memory controller according to pre-defined rule, call the memory controller of described resource utilization minimum.
As one embodiment of the present of invention, before breaking down, also comprise when one of a pair of mutually redundant memory controller, obtain the resource utilization of all memory controllers by master control borad, when memory controller breaks down, to the information of the described memory controller transmission memory controller of resource utilization factor minimum except described a pair of mutually redundant memory controller that does not break down, call this memory controller as emergent memory controller.
As one embodiment of the present of invention, emergent memory controller backs up the data that write the memory controller that does not break down in the described a pair of mutually redundant memory controller and is meant, with the said write data storage in the memory buffer of emergent memory controller.
As one embodiment of the present of invention, during the data that write the memory controller that does not break down in the described a pair of mutually redundant memory controller are backed up, if the described memory controller that does not break down breaks down, described emergent memory controller writes data storage in storer with described backup.
As one embodiment of the present of invention, after the data that write the memory controller that does not break down in the described a pair of mutually redundant memory controller are backed up, if the described memory controller that breaks down recovers normal, the then described memory controller that does not break down stops to call described emergent memory controller, reconstitutes a pair of mutually redundant memory controller with the normal memory controller of described recovery.
Pass through embodiments of the invention, when one of a pair of mutually redundant memory controller breaks down, can use the tracing pattern that storer is carried out write operation as prior art, but pass through emergent memory controller as the back-up storage controller, still the data that write are carried out the write-back mode operation, thereby the raising writing speed, the safety of assurance data.
Be illustrated in figure 3 as memory controller example structure synoptic diagram of the present invention.
Call unit 301 is used for when the back-up storage controller breaks down, according to the emergent memory controller of predetermined rule invocation.
Buffer unit 302 is used for the data that write that receive are carried out buffer memory.
As one embodiment of the present of invention, also comprise detecting unit, be used to detect the malfunction of corresponding back-up storage controller, when breaking down, send failure message to described call unit 301.
As one embodiment of the present of invention, also comprise detecting unit, be used to detect the malfunction of described memory controller self, when breaking down, send failure message to corresponding back-up storage controller.
As one embodiment of the present of invention, also comprise emergent memory controller information storage area, the information that is used to store described emergency controller.
As one embodiment of the present of invention, also comprise range cells, the information that is used for the emergent memory controller that the described memory controller that does not break down of distance is nearest sends to described call unit.
As one embodiment of the present of invention, also comprise monitoring unit, be used to obtain the resource utilization information of other memory controller, and send the memory controller information of described resource utilization minimum to described call unit.
Pass through embodiments of the invention, when one of a pair of mutually redundant memory controller breaks down, can be by emergent memory controller as the back-up storage controller, the memory controller that does not break down still carries out the write-back mode operation to the data that write, thereby the raising writing speed, the safety of assurance data.
Be illustrated in figure 4 as the storage control system first example structure figure of the present invention.
A plurality of memory controllers 401, when wherein the corresponding back-up storage controller of memory controller broke down, this memory controller that does not break down was according to the emergent memory controller of predetermined rule invocation.
Described emergent memory controller 402 backs up the data that write the memory controller that does not break down in the described a pair of mutually redundant memory controller.
As one embodiment of the present of invention, also comprise master control borad, be used to obtain the resource utilization information of a plurality of memory controllers, and send the information of the memory controller of resource utilization minimum to do not break down in the described a pair of mutually redundant memory controller memory controller.
Be illustrated in figure 5 as the storage control system second example structure figure of the present invention.
Comprise memory controller 501 to 508, disk 509 to 512.
Wherein said memory controller 501 and memory controller 502 mutually redundant memory controllers, two memory controllers can receive the data that write that same main frame sends, and can control same disk 509, same memory controller 503 and memory controller 504 corresponding too a disk 510, memory controller 505 and memory controller 506 corresponding too a disk 511, memory controller 507 and memory controller 508 corresponding too a disk 512.All memory controllers 501 to 508 are by cable or network be connected (as shown in the figure).
Be example with memory controller 501 and memory controller 502 in the present embodiment, each writes data and enters into the buffer zone (Cache) that memory controller 501 all can backup to memory controller 502 afterwards, memory controller 501 and memory controller 502 adopt write-back mode that disk 509 is carried out write operation, when writing after data really are written to disk 509, memory controller 501 notice memory controllers 502 abandon the data 502 that write of described backup, if memory controller 501 does not write success or loss of data, also can will write data and write disk 509 by described memory controller 502.
When memory controller 501 breaks down, detect malfunction by this memory controller 501, and notice memory controller 502, memory controller 502 is write the data that write in the buffer zone in the disk 509, and in memory controller 503 to 508, call the emergent memory controller of a conduct according to pre-defined rule, subscribing rule in this example can be for calling from the nearest memory controller of described memory controller 502, perhaps can call the emergent memory controller in the emergent memory controller information storage area that is stored in described memory controller 503 in advance, in this example for calling the emergent memory controller of nearest memory controller 503 as memory controller 502.
Described emergent memory controller 503 obtains the follow-up data that write from memory controller 502, and this is write data storage backs up in buffer zone, and described memory controller 502 can carry out the write operation of write-back mode to disk 509.
Because emergent memory controller 503 can not directly be operated disk 509, so when memory controller 502 breaks down, emergent memory controller 503 will write data storage in disk 510 in the buffer zone, recover just often Deng memory controller 502 or memory controller 501, send the data that write of said write disk 510 to memory controller 502 or memory controller 501.
For memory controller 502, if described memory controller 501 recovers just often, described memory controller 502 stops to call described emergent memory controller 503, thus a pair of memory controller that recovery and memory controller 501 constitute.
Be illustrated in figure 6 as storage control system the 3rd example structure figure of the present invention.
In this example, memory controller 601 to 608, disk 609 to 612 all with second embodiment in identical, master control borad 613 wherein is used to obtain the resource utilization information of all memory controllers, when needs call emergent memory controller, the memory controller information of described resource utilization minimum is sent to the memory controller that does not break down, to reach the equilibrium of the utilization of resources.
In this example, memory controller 601 constitutes a pair of mutually redundant storer with memory controller 602, and all can carry out write operation to disk 1.Described memory controller 602 detects, when finding that memory controller 601 breaks down, the memory controller that obtains the resource utilization minimum from described master control borad 613 is as emergent memory controller, in this example, the resource utilization minimum of memory controller 603 is so memory controller 602 calls described memory controller 603 as emergent memory controller.
As one embodiment of the present of invention, when memory controller 601 breaks down, can also obtain the resource utilization information of other memory controller 603 to 608 by corresponding memory controller 602, select the wherein emergent memory controller of memory controller conduct of resource utilization minimum.
The beneficial effect of embodiments of the invention is, when one of a pair of mutually redundant memory controller breaks down, the memory controller that does not break down can continue to adopt write-back mode that storer is operated by the support of emergent memory controller, the total system performance can not be subjected to too big influence, simultaneously, the data that emergent memory controller carries out when the memory controller that does not break down also damages are stored, and can guarantee that data are difficult for losing.Improve the efficient of storage, guaranteed the data security of storage.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, can instruct relevant hardware to finish by computer program, described 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, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. storage controlling method is characterized in that this method comprises:
When one of a pair of mutually redundant memory controller breaks down, according to the emergent memory controller of other memory controller conduct of predetermined rule invocation;
The data of the memory controller that do not break down in the described a pair of mutually redundant memory controller are backuped in the described emergent memory controller.
2. method according to claim 1 is characterized in that, and is described when one of a pair of mutually redundant memory controller breaks down, and comprises as emergent memory controller according to other memory controller of predetermined rule invocation:
When one of described a pair of mutually redundant memory controller broke down, the described memory controller that breaks down sent failure message to the described memory controller that does not break down;
The described memory controller that does not break down is according to the emergent memory controller of predetermined rule invocation.
3. method according to claim 1 is characterized in that, described method comprises that also described a pair of mutually redundant memory controller detects the other side mutually.
4. method according to claim 1, it is characterized in that, describedly comprise as emergent memory controller according to other memory controllers of predetermined rule invocation, obtain the resource utilization of other memory controller, the memory controller that calls described resource utilization minimum is as described emergent memory controller.
5. method according to claim 1, it is characterized in that, before breaking down, one of a pair of mutually redundant memory controller also comprises, obtain the resource utilization of all memory controllers by master control borad, when memory controller breaks down, to the information of the described memory controller transmission memory controller of resource utilization factor minimum except described a pair of mutually redundant memory controller that does not break down, call this memory controller as emergent memory controller.
6. method according to claim 1, it is characterized in that, described data with the memory controller that do not break down in the described a pair of mutually redundant memory controller backup in the described emergent memory controller and are meant, with the said write data storage in the memory buffer of emergent memory controller.
7. method according to claim 1, it is characterized in that, after the data that write the memory controller that does not break down in the described a pair of mutually redundant memory controller are backed up, if the described memory controller that breaks down recovers normal, the then described memory controller that does not break down stops to call described emergent memory controller, reconstitutes a pair of mutually redundant memory controller with the normal memory controller of described recovery.
8. storage control system is characterized in that this system comprises:
A plurality of memory controllers, when wherein the corresponding back-up storage controller of memory controller broke down, the memory controller that does not break down was according to the emergent memory controller of predetermined rule invocation;
Described emergent memory controller backs up the data in the described memory controller that does not break down.
9. system according to claim 8, it is characterized in that, also comprise master control borad, be used to obtain the resource utilization information of described a plurality of memory controllers, and send the information of the memory controller of resource utilization minimum to the described memory controller that does not break down.
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| CNA2009101461131A CN101576837A (en) | 2009-06-12 | 2009-06-12 | Storage control system and method |
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| CNA2009101461131A CN101576837A (en) | 2009-06-12 | 2009-06-12 | Storage control system and method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200949A (en) * | 2011-05-16 | 2011-09-28 | 浪潮(北京)电子信息产业有限公司 | Device and method for realizing controller fault protection of multi-controller memory system |
| CN103049407A (en) * | 2012-12-27 | 2013-04-17 | 华为技术有限公司 | System, device and method for data storage |
| CN104915153A (en) * | 2015-06-09 | 2015-09-16 | 山东超越数控电子有限公司 | Method for double control cache synchronous design based on SCST |
| CN106294031A (en) * | 2016-07-29 | 2017-01-04 | 杭州宏杉科技有限公司 | A kind of business management method and storage control |
| CN106407043A (en) * | 2016-09-13 | 2017-02-15 | 郑州云海信息技术有限公司 | Multi-controller cache backup method |
| CN106802775A (en) * | 2017-01-18 | 2017-06-06 | 郑州云海信息技术有限公司 | A kind of date storage method and device |
| CN106874151A (en) * | 2017-01-23 | 2017-06-20 | 郑州云海信息技术有限公司 | A kind of method and device of synchronization caching |
| CN109656754A (en) * | 2018-12-12 | 2019-04-19 | 浪潮(北京)电子信息产业有限公司 | A kind of BBU failure power-off protection method, device, equipment and storage medium |
| CN111752139A (en) * | 2019-03-29 | 2020-10-09 | 霍尼韦尔国际公司 | Redundant controllers or input-output gateways without dedicated hardware |
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2009
- 2009-06-12 CN CNA2009101461131A patent/CN101576837A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200949A (en) * | 2011-05-16 | 2011-09-28 | 浪潮(北京)电子信息产业有限公司 | Device and method for realizing controller fault protection of multi-controller memory system |
| CN103049407A (en) * | 2012-12-27 | 2013-04-17 | 华为技术有限公司 | System, device and method for data storage |
| CN103049407B (en) * | 2012-12-27 | 2016-07-13 | 华为技术有限公司 | Date storage method, Apparatus and system |
| CN104915153A (en) * | 2015-06-09 | 2015-09-16 | 山东超越数控电子有限公司 | Method for double control cache synchronous design based on SCST |
| CN104915153B (en) * | 2015-06-09 | 2017-09-22 | 山东超越数控电子有限公司 | A kind of dual control cache synchronization design method based on SCST |
| CN106294031A (en) * | 2016-07-29 | 2017-01-04 | 杭州宏杉科技有限公司 | A kind of business management method and storage control |
| CN106294031B (en) * | 2016-07-29 | 2019-07-12 | 杭州宏杉科技股份有限公司 | A kind of business management method and storage control |
| CN106407043A (en) * | 2016-09-13 | 2017-02-15 | 郑州云海信息技术有限公司 | Multi-controller cache backup method |
| CN106802775A (en) * | 2017-01-18 | 2017-06-06 | 郑州云海信息技术有限公司 | A kind of date storage method and device |
| CN106874151A (en) * | 2017-01-23 | 2017-06-20 | 郑州云海信息技术有限公司 | A kind of method and device of synchronization caching |
| CN109656754A (en) * | 2018-12-12 | 2019-04-19 | 浪潮(北京)电子信息产业有限公司 | A kind of BBU failure power-off protection method, device, equipment and storage medium |
| CN111752139A (en) * | 2019-03-29 | 2020-10-09 | 霍尼韦尔国际公司 | Redundant controllers or input-output gateways without dedicated hardware |
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