CN110134541A - Switching method, system, equipment and the storage medium of the configuration information of storage cluster - Google Patents
Switching method, system, equipment and the storage medium of the configuration information of storage cluster Download PDFInfo
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- CN110134541A CN110134541A CN201910434288.6A CN201910434288A CN110134541A CN 110134541 A CN110134541 A CN 110134541A CN 201910434288 A CN201910434288 A CN 201910434288A CN 110134541 A CN110134541 A CN 110134541A
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- configuration information
- storage cluster
- switching
- node
- silent
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Classifications
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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
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0727—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in a storage system, e.g. in a DASD or network based storage system
-
- 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
- G06F11/142—Reconfiguring to eliminate the error
Abstract
The invention discloses a kind of switching methods of the configuration information of storage cluster, are applied in host node, comprising: receive configuration information update instruction；After receiving configuration information update instruction, all nodes into storage cluster send silent instruction, so that all nodes stop the reception of the new I/O of itself, and the I/O to be processed of itself is processed finish after, sending to host node indicates that itself enters the target information of silent status；After receiving the target information that each node is respectively sent, the switching of the configuration information of storage cluster is carried out.It, can be to avoid corrupt data caused by the switching as the configuration information of storage cluster using the scheme of the application.Disclosed herein as well is a kind of switching system of the configuration information of storage cluster, equipment and storage mediums, have relevant art effect.
Description
Technical field
The present invention relates to server technology field, more particularly to a kind of configuration information of storage cluster switching method,
System, equipment and storage medium.
Background technique
With the continuous development of computer, server technology, while client traffic becomes increasingly complex, it is desirable that and it is higher and higher,
Single server tends not to meet business needs, and the server storage cluster that multiple servers are constituted has obtained widely answering
With.
In storage cluster system, it is sometimes desirable to the switching of configuration information is carried out, that is, carries out the switching of Mode Data, and
When carrying out the switching of configuration information, the inconsistent situation of data happens occasionally.At this moment due to the different meetings of configuration information so that
I/O processing result is different, for example, I/O is written on rear end plate and can just return when the WT mode of cache module, and in caching mould
When the WB mode of block, it is returned in I/O write-in caching.Therefore, when carrying out the switching of the configuration information in storage cluster, part
The I/O handled may cause corrupt data.
For example, some I/O needs the operation by 3 modules in storage cluster, when storage cluster is in configuration information A
In the case where, the first two module finishes the I/O operation, and the configuration information of storage cluster is switched later, by matching
Confidence breath A is switched to configuration information B, and the I/O is by the last one module end of operation later.Due to the I/O a part be according to
Configuration information A is handled, and another part is handled according to configuration information B, there is the risk of corrupt data.
In conclusion how to be effectively prevented from the corrupt data as caused by the switching of the configuration information of storage cluster, it is
Those skilled in the art's technical problem urgently to be solved at present.
Summary of the invention
The object of the present invention is to provide a kind of switching method of the configuration information of storage cluster, system, equipment and storages to be situated between
The corrupt data as caused by the switching of the configuration information of storage cluster can be effectively avoided in matter.
In order to solve the above technical problems, the invention provides the following technical scheme:
A kind of switching method of the configuration information of storage cluster is applied in host node, comprising:
Receive configuration information update instruction；
After receiving the configuration information update instruction, all nodes into storage cluster send silent instruction, with
So that all nodes is stopped the reception of the new I/O of itself, and the I/O to be processed of itself is processed finish after, to the master
Node, which is sent, indicates that itself enters the target information of silent status；
After receiving the target information that each node is respectively sent, the configuration information of the storage cluster is carried out
Switching.
Preferably, after the switching of the configuration information for carrying out the storage cluster, further includes:
When the configuration information for judging the storage cluster, which switches, to be finished, Xiang Suoyou node, which is sent, restores instruction so that institute
There is node to revert to operating status.
Preferably, the storage cluster is storage area network SAN storage cluster.
Preferably, it is sent described to all nodes after restoring to instruct so that all nodes revert to operating status,
Further include:
Export the first prompt information.
Preferably, after the silent instruction of all nodes transmission described into storage cluster, further includes:
In preset first duration, when not receiving the target information of each node transmission, the second prompt of input
Information.
Preferably, the reception configuration information update instruction, comprising:
Configuration information update instruction is received by Web.
A kind of switching system of the configuration information of storage cluster is applied in host node, comprising:
Command reception module, for receiving configuration information update instruction；
Silent switching module, for all sections after receiving the configuration information update instruction, into storage cluster
Point sends silent instruction, so that all nodes stop the reception of the new I/O of itself, and processed in the I/O to be processed of itself
After finishing, Xiang Suoshu host node, which is sent, indicates that itself enters the target information of silent status；
Configuration information switching module, for carrying out after receiving the target information that each node is respectively sent
The switching of the configuration information of the storage cluster.
Preferably, further includes:
Second prompt information output module, it is silent for being sent in all nodes of the silent switching module into storage cluster
After instruction, in preset first duration, when not receiving the target information of each node transmission, the second prompt of input
Information.
A kind of switching equipment of the configuration information of storage cluster, comprising:
Memory, for storing computer program；
Processor, for executing the computer program to realize the configuration information of storage cluster described in any of the above embodiments
Switching method the step of.
A kind of computer readable storage medium is stored with computer program on the computer readable storage medium, described
The step of the switching method of the configuration information of storage cluster described in any of the above embodiments is realized when computer program is executed by processor
Suddenly.
Using technical solution provided by the embodiment of the present invention, it is applied in host node, comprising: receive configuration information update
Instruction；After receiving configuration information update instruction, all nodes into storage cluster send silent instruction, so that all sections
Point stop itself new I/O reception, and the I/O to be processed of itself is processed finish after, to host node send indicate
Itself enters the target information of silent status；After receiving the target information that each node is respectively sent, storage collection is carried out
The switching of the configuration information of group.
In the scheme of the application, silent instruction is sent by all nodes of the host node into storage cluster, is received quiet
Each node of silent instruction, can stop the reception of the new I/O of itself, and the I/O to be processed of itself is processed finish after,
Sending to host node indicates that itself enters the target information of silent status.That is, in the configuration information for carrying out storage cluster
Switching this operation before, ensure that the I/O in each node is processed and finish, also would not be there are I/O according to
The case where two kinds of configuration informations are handled.Host node then may be used after receiving the target information that each node is respectively sent
To carry out the switching of the configuration information of storage cluster.Therefore, the scheme of the application can match confidence to avoid due to storage cluster
Corrupt data caused by the switching of breath.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of implementation flow chart of the switching method of the configuration information of storage cluster in the present invention；
Fig. 2 is a kind of structural schematic diagram of the switching system of the configuration information of storage cluster in the present invention；
Fig. 3 is a kind of structural schematic diagram of the switching equipment of the configuration information of storage cluster in the present invention.
Specific embodiment
Core of the invention is to provide a kind of switching method of the configuration information of storage cluster, can be effectively avoided due to
Corrupt data caused by the switching of the configuration information of storage cluster.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is a kind of implementation flow chart of the switching method of the configuration information of storage cluster in the present invention,
This method is applied in host node, may comprise steps of:
Step S101: configuration information update instruction is received.
Host node can receive the configuration information update instruction of user's input, can be received and be matched by way of wire communication
Information update instruction is set, configuration information update instruction can also be received through wireless communication.Specifically, in a kind of implementation
In mode, configuration information update instruction can be received by Web.Certainly, it is logical that it can be chosen for other in other embodiments
Letter mode, such as configuration information update can be received by CLI (Command-line Interface, Command Line Interface) and referred to
It enables.
Relevant parameter information can be usually carried in configuration information update instruction, so that the configuration information of storage cluster
Corresponding switching is carried out according to the demand of user.
Step S102: after receiving configuration information update instruction, all nodes into storage cluster send silence and refer to
Enable so that all nodes stop the reception of the new I/O of itself, and the I/O to be processed of itself is processed finish after, to master
Node, which is sent, indicates that itself enters the target information of silent status.
The concrete type of storage cluster can be set and be chosen according to actual needs, for example, can be it is relatively conventional,
Widely applied NAS storage cluster.For another example, it can be the dedicated network SAN that access speed is fast, establishes exclusively for storage
(Storage Area Network, storage area network).Especially in the biggish server field of amount of storage, the application's
Storage cluster typically SAN storage cluster.
In the normal I/O treatment process of storage cluster, each node is generally in operating status, i.e. RUNNING state.Main section
After point receives configuration information update instruction, all nodes of the meeting into storage cluster send silent instruction, that is to say, that packet
Each node including host node is included, can receive the silent instruction sent by host node.
For any one node, after receiving the silent instruction of host node transmission, itself can be stopped
New I/O reception, i.e., the obstruction of new I/O is carried out to the front end of itself.Meanwhile the I/O for having begun processing is waited, until this
It is a little I/O to be processed is processed finish after, just sending to host node indicates itself to enter the target information of silent status, that is,
It itself will enter this information of quiesced state and notify host node.
Step S103: after receiving the target information that each node is respectively sent, carry out storage cluster matches confidence
The switching of breath.
Each node enters after silent status, will send target information to host node.It is deposited when host node receives
After the target information that each node in accumulation is respectively sent, illustrate none of in storage cluster at this time locating
The I/O of reason, then the switching of the configuration information of progress storage cluster at this time is safe, and it is inconsistent will not to lead to the problem of data.
Therefore, after the target information that host node receives that each node is respectively sent, the configuration information of storage cluster can be carried out
Switching, i.e. the switching of Mode Data.
Further, in a specific embodiment, after step s 103, can also include:
When the configuration information for judging storage cluster, which switches, to be finished, Xiang Suoyou node, which is sent, restores instruction so that all sections
Point reverts to operating status.
In this kind of embodiment, host node can be when the configuration information switching for judging storage cluster be finished, to all sections
Point, which is sent, restores instruction, can be so that all nodes in storage cluster revert to operating status.Node restores to running
State will cancel itself front end to the obstruction of new I/O, and storage cluster just restores to normal working condition.
Using the switching method of the configuration information of storage cluster provided by the embodiment of the present invention, it is applied in host node,
It include: to receive configuration information update instruction；All nodes hair after receiving configuration information update instruction, into storage cluster
Silent instruction is sent, so that all nodes stop the reception of the new I/O of itself, and is finished the I/O to be processed of itself is processed
Later, sending to host node indicates that itself enters the target information of silent status；In the mesh for receiving each node and respectively sending
After marking information, the switching of the configuration information of storage cluster is carried out.
In the scheme of the application, silent instruction is sent by all nodes of the host node into storage cluster, is received quiet
Each node of silent instruction, can stop the reception of the new I/O of itself, and the I/O to be processed of itself is processed finish after,
Sending to host node indicates that itself enters the target information of silent status.That is, in the configuration information for carrying out storage cluster
Switching this operation before, ensure that the I/O in each node is processed and finish, also would not be there are I/O according to
The case where two kinds of configuration informations are handled.Host node then may be used after receiving the target information that each node is respectively sent
To carry out the switching of the configuration information of storage cluster.Therefore, the scheme of the application can match confidence to avoid due to storage cluster
Corrupt data caused by the switching of breath.
In a kind of specific embodiment of the invention, restore instruction so that all nodes are extensive sending to all nodes
Again it is after operating status, can also includes: the first prompt information of output.In this kind of embodiment, pass through the first prompt information
Output, may remind the user that the configuration information of storage cluster has switched and finish, and storage cluster is also recovered normal
Working condition, be also beneficial to improve user experience.
In a kind of specific embodiment of the invention, all nodes into storage cluster in step s 102 are sent
After silence instruction, can also include:
In preset first duration, when not receiving the target information of each node transmission, the second prompt of input
Information.
In view of there are failures for the communication when the node exception in storage cluster or between leg gusset and host node
When, host node may not be able to normally receive target information.Therefore, in this kind of embodiment, when preset first
In duration, when host node does not receive the target information of each node transmission, the second prompt information is inputted, user can be made
The abnormal conditions are noticed in time, are conducive to the investigation and elimination that carry out failure in time.
Corresponding to above method embodiment, the embodiment of the invention also provides a kind of cutting for the configuration information of storage cluster
System is changed, reference can be corresponded to each other with above.
It is shown in Figure 2, for a kind of structural schematic diagram of the switching system of the configuration information of storage cluster in the present invention, answer
For in host node, comprising:
Command reception module 201, for receiving configuration information update instruction；
Silent switching module 202 is used for after command reception module 201 receives configuration information update instruction, to storage
All nodes in cluster send silent instruction so that all nodes stop the reception of the new I/O of itself, and itself to
Processing I/O is processed finish after, to host node send indicate itself enter silent status target information；
Configuration information switching module 203, for being deposited after receiving the target information that each node is respectively sent
The switching of the configuration information of accumulation.
In a kind of specific embodiment of the invention, further includes:
Work recovery module, for when the configuration information for judging storage cluster switches and finishes, Xiang Suoyou node to be sent
Restore instruction so that all nodes revert to operating status.
In a kind of specific embodiment of the invention, storage cluster is storage area network SAN storage cluster.
In a kind of specific embodiment of the invention, further includes:
Second prompt information output module restores to instruct so that all for sending in work recovery module to all nodes
After node reverts to operating status, the first prompt information is exported.
In a kind of specific embodiment of the invention, further includes:
Second prompt information output module, for being sent in all nodes of the silent switching module 202 into storage cluster
After silence instruction, in preset first duration, when not receiving the target information of each node transmission, input second
Prompt information.
In a kind of specific embodiment of the invention, command reception module 201 is specifically used for:
Configuration information update instruction is received by Web.
Corresponding to above method and system embodiment, match confidence the embodiment of the invention also provides a kind of storage cluster
The switching equipment of breath and a kind of computer readable storage medium can correspond to each other reference with above.
It is shown in Figure 3, for a kind of structural schematic diagram of the switching equipment of the configuration information of storage cluster in the present invention, packet
It includes:
Memory 301, for storing computer program；
Processor 302, that the storage cluster in any of the above-described embodiment is realized for executing computer program matches confidence
The step of switching method of breath.
It is stored with computer program on computer readable storage medium, is realized when computer program is executed by processor above-mentioned
The step of switching method of the configuration information of storage cluster in any embodiment.Computer readable storage medium mentioned here
Including random access memory (RAM), memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, deposit
Any other form of storage medium well known in device, hard disk, moveable magnetic disc, CD-ROM or technical field.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including element.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand technical solution of the present invention and its core concept.It should be pointed out that for the common of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for technical staff, these
Improvement and modification are also fallen within the protection scope of the claims of the present invention.
Claims (10)
1. a kind of switching method of the configuration information of storage cluster, which is characterized in that be applied in host node, comprising:
Receive configuration information update instruction；
After receiving the configuration information update instruction, all nodes into storage cluster send silent instruction, so that institute
There is node to stop the reception of the new I/O of itself, and the I/O to be processed of itself is processed finish after, Xiang Suoshu host node
Sending indicates that itself enters the target information of silent status；
After receiving the target information that each node is respectively sent, cutting for the configuration information of the storage cluster is carried out
It changes.
2. the switching method of the configuration information of storage cluster according to claim 1, which is characterized in that in the carry out institute
After the switching for stating the configuration information of storage cluster, further includes:
When the configuration information for judging the storage cluster, which switches, to be finished, Xiang Suoyou node, which is sent, restores instruction so that all sections
Point reverts to operating status.
3. the switching method of the configuration information of storage cluster according to claim 1, which is characterized in that the storage cluster
For storage area network SAN storage cluster.
4. the switching method of the configuration information of storage cluster according to claim 2, which is characterized in that described to all
Node is sent restore to instruct so that all nodes revert to operating status after, further includes:
Export the first prompt information.
5. the switching method of the configuration information of storage cluster according to any one of claims 1 to 4, which is characterized in that
All nodes into storage cluster are sent after silent instruction, further includes:
In preset first duration, when not receiving the target information of each node transmission, the second prompt information is inputted.
6. the switching method of the configuration information of storage cluster according to claim 5, which is characterized in that the reception configuration
Information update instruction, comprising:
Configuration information update instruction is received by Web.
7. a kind of switching system of the configuration information of storage cluster, which is characterized in that be applied in host node, comprising:
Command reception module, for receiving configuration information update instruction；
Silent switching module, for all nodes hair after receiving the configuration information update instruction, into storage cluster
Silent instruction is sent, so that all nodes stop the reception of the new I/O of itself, and is finished the I/O to be processed of itself is processed
Later, Xiang Suoshu host node, which is sent, indicates that itself enters the target information of silent status；
Configuration information switching module, for after receiving the target information that each node is respectively sent, described in progress
The switching of the configuration information of storage cluster.
8. the switching system of the configuration information of storage cluster according to claim 7, which is characterized in that further include:
Second prompt information output module, for sending silent instruction in all nodes of the silent switching module into storage cluster
Later, in preset first duration, when not receiving the target information of each node transmission, input the second prompt letter
Breath.
9. a kind of switching equipment of the configuration information of storage cluster characterized by comprising
Memory, for storing computer program；
Processor, for executing the computer program to realize matching such as storage cluster as claimed in any one of claims 1 to 6
The step of switching method of confidence breath.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the configuration such as storage cluster as claimed in any one of claims 1 to 6 when the computer program is executed by processor
The step of switching method of information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910434288.6A CN110134541A (en) | 2019-05-23 | 2019-05-23 | Switching method, system, equipment and the storage medium of the configuration information of storage cluster |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910434288.6A CN110134541A (en) | 2019-05-23 | 2019-05-23 | Switching method, system, equipment and the storage medium of the configuration information of storage cluster |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110704171A (en) * | 2019-09-19 | 2020-01-17 | 苏州浪潮智能科技有限公司 | I/O stack mode switching method, system, device and storage medium in storage system |
| CN111522615A (en) * | 2020-04-23 | 2020-08-11 | 平安国际智慧城市科技股份有限公司 | Method, device and equipment for updating command line interface and storage medium |
| CN112015348A (en) * | 2020-08-28 | 2020-12-01 | 北京浪潮数据技术有限公司 | IO (input/output) silencing method, device and medium for data volume |
-
2019
- 2019-05-23 CN CN201910434288.6A patent/CN110134541A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110704171A (en) * | 2019-09-19 | 2020-01-17 | 苏州浪潮智能科技有限公司 | I/O stack mode switching method, system, device and storage medium in storage system |
| CN110704171B (en) * | 2019-09-19 | 2023-01-10 | 苏州浪潮智能科技有限公司 | I/O stack mode switching method, system, device and storage medium in storage system |
| CN111522615A (en) * | 2020-04-23 | 2020-08-11 | 平安国际智慧城市科技股份有限公司 | Method, device and equipment for updating command line interface and storage medium |
| CN111522615B (en) * | 2020-04-23 | 2023-08-15 | 深圳赛安特技术服务有限公司 | Method, device, equipment and storage medium for updating command line interface |
| CN112015348A (en) * | 2020-08-28 | 2020-12-01 | 北京浪潮数据技术有限公司 | IO (input/output) silencing method, device and medium for data volume |
| CN112015348B (en) * | 2020-08-28 | 2022-03-22 | 北京浪潮数据技术有限公司 | IO (input/output) silencing method, device and medium for data volume |
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Application publication date: 20190816 |