CN108959614A - A kind of snapshot management method, system, device, equipment and readable storage medium storing program for executing - Google Patents
A kind of snapshot management method, system, device, equipment and readable storage medium storing program for executing Download PDFInfo
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Abstract
The invention discloses a kind of snapshot management methods, comprising: receives the snapshot management request that user sends；Judge the type of snapshot management request, snapshot management request is any one or combination in request to create, removal request and recovery request；When snapshot management request is request to create, determine the corresponding target data of request to create, and using the target snapshot of incremental snapshot technology and preset construction strategy creation target data, target snapshot is compressed to and is recorded the log information of target snapshot, log information includes: the storage address of target data, the storage address of target snapshot and snapshot data and creation time stamp.The creation speed of snapshot can be improved in this method, reduces the EMS memory occupation amount of snapshot, and for other subsequent operations provide it is good can query information, the treatment effeciency of other subsequent operations is improved, to improve the efficiency of management of snapshot.
Description
Technical field
The present invention relates to technical field of data storage, more specifically to a kind of snapshot management method, system, device,
Equipment and readable storage medium storing program for executing.
Background technique
In field of data storage, snapshot is function indispensable in online storage subsystem.It is able to carry out online data
Backup and recovery provide spare data access channel for storage user.
The management of snapshot generally comprises the operation such as creation, recovery, deletion, wherein recovery, deletion of snapshot etc. operate foundation
The information generated when creation operation carries out, and therefore, creation snapshot is the first step for carrying out snapshot management.Currently, generally having used
The mode replicated entirely creates snapshot, and the snapshot data amount created under which is big, and the memory space of occupancy is more, and efficiency is also more
Lowly；Also, its cannot for it is subsequent restore, delete etc. operations provide can foundation information so that the operations such as restoring, deleting
Treatment effeciency is slow, to be unfavorable for carrying out snapshot management, the efficiency of management is slow.
Therefore, the efficiency of management for how improving snapshot is those skilled in the art's problem to be solved.
Summary of the invention
The purpose of the present invention is to provide a kind of snapshot management method, system, device, equipment and readable storage medium storing program for executing, with
Improve the efficiency of management of snapshot.
To achieve the above object, the embodiment of the invention provides following technical solutions:
A kind of snapshot management method, comprising:
Receive the snapshot management request that user sends；
Judge the type of the snapshot management request, the snapshot management request is request to create, removal request and recovery
Any one in request or combination；
When snapshot management request is request to create, the corresponding target data of the request to create is determined, and use
Incremental snapshot technology and preset construction strategy create the target snapshot of the target data, and the target snapshot is compressed
And the log information of the target snapshot is recorded, the log information includes: the storage address of the target data, the target
The storage address and snapshot data and creation time of snapshot are stabbed.
Wherein, the target snapshot that the target data is created using incremental snapshot technology and preset construction strategy,
Include:
The number of targets is created using the incremental snapshot technology and the construction strategy, and according to the preset time cycle
According to target snapshot.
Wherein, when snapshot management request is recovery request, further includes:
It determines the corresponding recovery snapshot of the recovery request, and searches institute in the corresponding log information of the recovery snapshot
State the snapshot data and storage address for restoring the corresponding former data of snapshot；
The multiple snapshot datas found out are restored to the storage address found out, it is corresponding to restore the recovery snapshot
Former data.
Wherein, when snapshot management request is removal request, further includes:
It determines the corresponding deletion snapshot of the removal request, and is deleted according to described in the log information deletion for deleting snapshot
Except snapshot.
A kind of snapshot management system, comprising:
Alternation of bed, for receiving the snapshot management request of user's transmission；
Management level, for judging the type of the snapshot management request, the snapshot management request is request to create, deletes
Any one in request and recovery request or combination；When snapshot management request is request to create, the creation is determined
Corresponding target data is requested, and fast using the target that incremental snapshot technology and preset construction strategy create the target data
According to the target snapshot being compressed to and recorded the log information of the target snapshot, the log information includes: the mesh
Mark storage address, the storage address of the target snapshot and the snapshot data and creation time stamp of data；
Accumulation layer, for storing the construction strategy, the target snapshot and the log information.
Wherein, the management level are also used to:
When snapshot management request is recovery request, the corresponding recovery snapshot of the recovery request is determined, and in institute
State the snapshot data and storage address for restoring to search the corresponding former data of the recovery snapshot in the corresponding log information of snapshot；
The multiple snapshot datas found out are restored to the storage address found out, it is corresponding to restore the recovery snapshot
Former data.
A kind of snapshot management device, comprising:
Receiving module, for receiving the snapshot management request of user's transmission；
Judgment module, for judging the type of the snapshot management request, the snapshot management request is request to create, deletes
Except any one in request and recovery request or combine；
Creation module, for determining the corresponding mesh of the request to create when snapshot management request is request to create
Data are marked, and create the target snapshot of the target data using incremental snapshot technology and preset construction strategy, by the mesh
Mark snapshot is compressed and is recorded the log information of the target snapshot, and the log information includes: depositing for the target data
Store up address, the storage address of the target snapshot and snapshot data and creation time stamp.
Wherein, further includes:
Recovery module, for determining that the recovery request is corresponding extensive when snapshot management request is recovery request
Multiple snapshot, and the snapshot data for restoring the corresponding former data of snapshot is searched in the corresponding log information of the recovery snapshot
And storage address；The multiple snapshot datas found out are restored to the storage address found out, to restore the recovery snapshot pair
The former data answered.
A kind of snapshot management equipment, comprising:
Memory, for storing computer program；
Processor realizes the step of snapshot management method described in above-mentioned any one when for executing the computer program
Suddenly.
A kind of readable storage medium storing program for executing is stored with computer program, the computer program quilt on the readable storage medium storing program for executing
The step of processor realizes snapshot management method described in above-mentioned any one when executing.
By above scheme it is found that a kind of snapshot management method provided in an embodiment of the present invention, comprising: receive user and send
Snapshot management request；Judge the type of the snapshot management request, the snapshot management request is request to create, removal request
With any one or the combination in recovery request；When snapshot management request is request to create, the request to create is determined
Corresponding target data, and use incremental snapshot technology and preset construction strategy create the target snapshot of the target data,
The target snapshot is compressed to and is recorded the log information of the target snapshot, the log information includes: the target
The storage address of data, the storage address of the target snapshot and snapshot data and creation time stamp.
As it can be seen that the method is in the snapshot management request for receiving user's transmission, first determine whether to receive looks after fastly
Manage the type of request；For request to create, it is first determined the corresponding target data of request to create, and using incremental snapshot technology and
The target snapshot of preset construction strategy creation target data, to improve the creation speed of snapshot；Target snapshot is compressed
The size that snapshot can be reduced reduces the EMS memory occupation amount of snapshot；Record the log information of target snapshot, comprising: target data
Storage address, the storage address of the target snapshot and snapshot data and creation time stamp, which can be mesh
The deletion, recovery or other operation offers for marking snapshot can query informations.Therefore, the creation speed of snapshot can be improved in the above method,
Reduce snapshot EMS memory occupation amount, and for it is subsequent other operation provide it is good can query information, improve it is subsequent other operate
Treatment effeciency, to improve the efficiency of management of snapshot.
Correspondingly, a kind of snapshot management system, device, equipment and readable storage medium storing program for executing provided in an embodiment of the present invention,
Equally have above-mentioned technique effect.
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 snapshot management method flow diagram disclosed by the embodiments of the present invention；
Fig. 2 is another snapshot management method flow diagram disclosed by the embodiments of the present invention；
Fig. 3 is a kind of snapshot management system schematic disclosed by the embodiments of the present invention；
Fig. 4 is a kind of snapshot management schematic device disclosed by the embodiments of the present invention；
Fig. 5 is a kind of snapshot management equipment schematic diagram disclosed by the embodiments of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of snapshot management method, system, device, equipment and readable storage medium storing program for executing, to mention
The efficiency of management of high snapshot.
Referring to Fig. 1, a kind of snapshot management method provided in an embodiment of the present invention, comprising:
S101, the snapshot management request that user sends is received；
S102, the type for judging snapshot management request；
Wherein, snapshot management request is any one in request to create, removal request and recovery request or combination；
S103, when snapshot management request is request to create, determine the corresponding target data of request to create, and use increment
The target snapshot of snapping technique and preset construction strategy creation target data；
Specifically, incremental snapshot technology and preset construction strategy can be used when snapshot management request is request to create
Create snapshot.Wherein, preset construction strategy is the customized construction strategy of user, wherein can specify that snapshot creates process
In, the store path of snapshot, the store path etc. of log information other information relevant to snapshot.
Preferably, the target for creating the target data using incremental snapshot technology and preset construction strategy is fast
According to, comprising: the incremental snapshot technology and the construction strategy are used, and creates the number of targets according to the preset time cycle
According to target snapshot.
Specifically, in addition to that can create immediately snapshot when receiving the request to create of user's transmission, can also preset
The time cycle of snapshot creation, after storage system unlatching, storage system can automatically create fastly according to the preset time cycle
According to.Such as: if preset period of time is 10 minutes, then just carrying out a snapshot every 10 minutes after storage system is opened
The length of creation, certain time cycle can be adjusted flexibly according to practical situations.
S104, the log information for compressing target snapshot and recording target snapshot, log information includes: target data
Storage address, the storage address of target snapshot and snapshot data and creation time stamp.
Specifically, snapshot can be compressed first, and store compressed snapshot, so after the completion of snapshot creation
The size of snapshot can be reduced, save memory space.Wherein, can be used differential encoding, RLE, Huffman coding, LZW coding or
Arithmetic coding carries out snapshot compression.
Meanwhile the storage address of target data, the storage address of target snapshot and fast are had recorded in the log information of snapshot
According to data and creation time stamp and other relevant informations, these information can be provided with for operations such as recovery, the deletions of snapshot
The foundation of effect.
Snapshot data therein is the target data at current time compared with the target data of previous moment, sends variation
Data.Such as: assuming that target data is made of A, B and C, and the target data of previous moment are as follows: A, B and C, current time
Target data are as follows: A, B and C ', then snapshot data is C '.
As it can be seen that present embodiments providing a kind of snapshot management method, the method is receiving looking after fastly for user's transmission
When reason request, the type of the snapshot management received request is first determined whether；For request to create, it is first determined request to create is corresponding
Target data, it is fast to improve and using the target snapshot of incremental snapshot technology and preset construction strategy creation target data
According to creation speed；Target snapshot, which is carried out compression, can reduce the size of snapshot, reduce the EMS memory occupation amount of snapshot；Record mesh
Mark snapshot log information, comprising: the storage address of target data, the storage address of the target snapshot and snapshot data, with
And creation time stamp, which can provide for the deletion of target snapshot, recovery or other operations can query information.Cause
This, the creation speed of snapshot can be improved in the above method, reduces the EMS memory occupation amount of snapshot, and provide well for other subsequent operations
Can query information, improve it is subsequent other operation treatment effeciency, to improve the efficiency of management of snapshot.
The embodiment of the invention discloses another snapshot management methods, and relative to a upper embodiment, the present embodiment is to technology
Scheme has made further instruction and optimization.
Referring to fig. 2, another snapshot management method provided in an embodiment of the present invention, comprising:
S201, the snapshot management request that user sends is received；
S202, the type for judging snapshot management request；When snapshot management request is request to create, S203 is executed；When fast
When management request is recovery request, S205 is executed；When snapshot management request is removal request, S207 is executed；
Wherein, snapshot management request is any one in request to create, removal request and recovery request or combination；
S203, it determines the corresponding target data of request to create, and is created using incremental snapshot technology and preset construction strategy
The target snapshot of target data is built, and executes S204；
S204, the log information for compressing target snapshot and recording target snapshot, log information includes: target data
Storage address, the storage address of target snapshot and snapshot data and creation time stamp；
S205, it determines the corresponding recovery snapshot of recovery request, and searches and restore in restoring the corresponding log information of snapshot
The snapshot data and storage address of the corresponding former data of snapshot, and execute S206；
S206, the multiple snapshot datas found out are restored to the storage address found out, it is corresponding to restore snapshot
Former data；
S207, the corresponding deletion snapshot of removal request is determined, and it is fast according to the log information for deleting snapshot to delete the deletion
According to.
The present embodiment combination Fig. 2, it is corresponding to be described in detail snapshot request to create, recovery request and removal request
Operating procedure embodies the superiority of snapshot management method provided by the invention.
As it can be seen that present embodiments providing another snapshot management method, the method is in the snapshot for receiving user's transmission
When management request, the type of the snapshot management received request is first determined whether；
For request to create, it is first determined the corresponding target data of request to create, and using incremental snapshot technology and preset
Construction strategy creation target data target snapshot, to improve the creation speed of snapshot；Target snapshot is carried out compression can be with
The size for reducing snapshot, reduces the EMS memory occupation amount of snapshot；Record the log information of target snapshot, comprising: target data is deposited
Address, the storage address of the target snapshot and snapshot data and creation time stamp are stored up, which can be fast for target
According to deletion, restore or other operation provide can query information.
For recovery request, it is first determined the corresponding recovery snapshot of recovery request, and restoring the corresponding log letter of snapshot
The snapshot data and storage address for restoring the corresponding former data of snapshot are searched in breath, and then the multiple snapshot datas found out are extensive
Again to the storage address found out, to restore the corresponding former data of snapshot.
For removal request, it is first determined the corresponding deletion snapshot of removal request, and then according to the log letter for deleting snapshot
Breath deletes the deletion snapshot.
Therefore, the creation speed of snapshot can be improved in the above method, reduces the EMS memory occupation amount of snapshot, and grasp for subsequent recovery
Make and delete operation provide it is good can query information, the treatment effeciency of subsequent recovery operation and delete operation is improved, to mention
The high efficiency of management of snapshot.
A kind of snapshot management system provided in an embodiment of the present invention is introduced below, one kind described below is looked after fastly
Reason system can be cross-referenced with a kind of above-described snapshot management method.
Referring to Fig. 3, a kind of snapshot management system provided in an embodiment of the present invention, comprising:
Alternation of bed 301, for receiving the snapshot management request of user's transmission；
Management level 302, for judging the type of snapshot management request, the snapshot management request be request to create,
Any one in removal request and recovery request or combination；When snapshot management request is request to create, described in determination
The corresponding target data of request to create, and use incremental snapshot technology and preset construction strategy create the mesh of the target data
Snapshot is marked, the target snapshot is compressed to and recorded the log information of the target snapshot, the log information includes: institute
State the storage address of target data, the storage address of the target snapshot and snapshot data and creation time stamp；
Accumulation layer 303, for storing the construction strategy, the target snapshot and the log information.
Wherein, the management level are also used to:
When snapshot management request is recovery request, the corresponding recovery snapshot of the recovery request is determined, and in institute
State the snapshot data and storage address for restoring to search the corresponding former data of the recovery snapshot in the corresponding log information of snapshot；
The multiple snapshot datas found out are restored to the storage address found out, it is corresponding to restore the recovery snapshot
Former data.
Wherein, the management level are also used to:
When snapshot management request is removal request, the corresponding deletion snapshot of removal request is determined, and according to deletion
The log information of snapshot deletes the deletion snapshot.
It should be noted that alternation of bed is mainly interacted with user, and is sent to management level for the operation of user, so as to
Management level are handled, and after the completion of management level processing, the data such as snapshot, the log of processing completion are transmitted to accumulation layer and are deposited
Storage.
A kind of snapshot management device provided in an embodiment of the present invention is introduced below, one kind described below is looked after fastly
Managing device can be cross-referenced with a kind of above-described snapshot management method and system.
Referring to fig. 4, a kind of snapshot management device provided in an embodiment of the present invention, comprising:
Receiving module 401, for receiving the snapshot management request of user's transmission；
Judgment module 402, for judging the type of the snapshot management request, the snapshot management request is asked for creation
It asks, any one or combination in removal request and recovery request；
Creation module 403, for determining that the request to create is corresponding when snapshot management request is request to create
Target data, and use incremental snapshot technology and preset construction strategy create the target snapshot of the target data, it will be described
Target snapshot is compressed and is recorded the log information of the target snapshot, and the log information includes: the target data
Storage address, the storage address of the target snapshot and snapshot data and creation time stamp.
Wherein, further includes:
Recovery module, for determining that the recovery request is corresponding extensive when snapshot management request is recovery request
Multiple snapshot, and the snapshot data for restoring the corresponding former data of snapshot is searched in the corresponding log information of the recovery snapshot
And storage address；The multiple snapshot datas found out are restored to the storage address found out, to restore the recovery snapshot pair
The former data answered.
Wherein, further includes:
Removing module, for determining that removal request is corresponding and deleting fastly when snapshot management request is removal request
According to, and the deletion snapshot is deleted according to the log information for deleting snapshot
A kind of snapshot management equipment provided in an embodiment of the present invention is introduced below, one kind described below is looked after fastly
Managing equipment can be cross-referenced with a kind of above-described snapshot management method, system and device.
Referring to Fig. 5, a kind of snapshot management equipment provided in an embodiment of the present invention, comprising:
Memory 501, for storing computer program；
Processor 502 realizes snapshot management side described in above-mentioned any embodiment when for executing the computer program
The step of method.
A kind of readable storage medium storing program for executing provided in an embodiment of the present invention is introduced below, one kind described below is readable to deposit
Storage media can be cross-referenced with a kind of above-described snapshot management method, system, device and equipment.
A kind of readable storage medium storing program for executing is stored with computer program, the computer program quilt on the readable storage medium storing program for executing
The step of snapshot management method as described in above-mentioned any embodiment is realized when processor executes.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of snapshot management method characterized by comprising
Receive the snapshot management request that user sends；
Judge the type of the snapshot management request, the snapshot management request is request to create, removal request and recovery request
In any one or combination；
When snapshot management request is request to create, the corresponding target data of the request to create is determined, and use increment
Snapping technique and preset construction strategy create the target snapshot of the target data, and the target snapshot is compressed and remembered
The log information of the target snapshot is recorded, the log information includes: the storage address of the target data, the target snapshot
Storage address and snapshot data and creation time stamp.
2. snapshot management method according to claim 1, which is characterized in that described using incremental snapshot technology and preset
Construction strategy creates the target snapshot of the target data, comprising:
The target data is created using the incremental snapshot technology and the construction strategy, and according to the preset time cycle
Target snapshot.
3. snapshot management method according to claim 1 or 2, which is characterized in that when snapshot management request is recovery
When request, further includes:
It determines the corresponding recovery snapshot of the recovery request, and searches in the corresponding log information of the recovery snapshot described extensive
The snapshot data and storage address of the corresponding former data of snapshot again；
The multiple snapshot datas found out are restored to the storage address found out, to restore the corresponding former number of the recovery snapshot
According to.
4. snapshot management method according to claim 1, which is characterized in that when snapshot management request is removal request
When, further includes:
It determines the corresponding deletion snapshot of the removal request, and deletes described delete fastly according to the log information for deleting snapshot
According to.
5. a kind of snapshot management system characterized by comprising
Alternation of bed, for receiving the snapshot management request of user's transmission；
Management level, for judging the type of the snapshot management request, the snapshot management request is request to create, removal request
With any one or the combination in recovery request；When snapshot management request is request to create, the request to create is determined
Corresponding target data, and use incremental snapshot technology and preset construction strategy create the target snapshot of the target data,
The target snapshot is compressed to and is recorded the log information of the target snapshot, the log information includes: the target
The storage address of data, the storage address of the target snapshot and snapshot data and creation time stamp；
Accumulation layer, for storing the construction strategy, the target snapshot and the log information.
6. snapshot management system according to claim 5, which is characterized in that the management level are also used to:
When snapshot management request is recovery request, the corresponding recovery snapshot of the recovery request is determined, and described extensive
The snapshot data and storage address of the corresponding former data of the recovery snapshot are searched in the multiple corresponding log information of snapshot；
The multiple snapshot datas found out are restored to the storage address found out, to restore the corresponding former number of the recovery snapshot
According to.
7. a kind of snapshot management device characterized by comprising
Receiving module, for receiving the snapshot management request of user's transmission；
Judgment module, for judging the type of the snapshot management request, the snapshot management request is request to create, deletes and ask
Any one in recovery request of summing or combination；
Creation module, for determining the corresponding number of targets of the request to create when snapshot management request is request to create
According to, and use incremental snapshot technology and preset construction strategy create the target snapshot of the target data, the target is fast
It shines into row and compresses and record the log information of the target snapshot, the log information includes: the storage of the target data
Location, the storage address of the target snapshot and snapshot data and creation time stamp.
8. snapshot management device according to claim 7, which is characterized in that further include:
Recovery module restores fast for when snapshot management request is recovery request, determining that the recovery request is corresponding
According to, and search the snapshot data for restoring the corresponding former data of snapshot in the corresponding log information of the recovery snapshot and deposit
Store up address；The multiple snapshot datas found out are restored to the storage address found out, it is corresponding to restore the recovery snapshot
Former data.
9. a kind of snapshot management equipment characterized by comprising
Memory, for storing computer program；
Processor realizes the snapshot management side as described in claim 1-4 any one when for executing the computer program
The step of method.
10. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program, the meter on the readable storage medium storing program for executing
The step of snapshot management method as described in claim 1-4 any one is realized when calculation machine program is executed by processor.
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| CN112579357A (en) * | 2020-12-23 | 2021-03-30 | 苏州三六零智能安全科技有限公司 | Snapshot difference obtaining method, device, equipment and storage medium |
| CN112579357B (en) * | 2020-12-23 | 2022-11-04 | 苏州三六零智能安全科技有限公司 | Snapshot difference obtaining method, device, equipment and storage medium |
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Application publication date: 20181207 |