CN109491980A - A kind of remote replication method of file system, device, equipment and storage medium - Google Patents
A kind of remote replication method of file system, device, equipment and storage medium Download PDFInfo
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- CN109491980A CN109491980A CN201811300833.4A CN201811300833A CN109491980A CN 109491980 A CN109491980 A CN 109491980A CN 201811300833 A CN201811300833 A CN 201811300833A CN 109491980 A CN109491980 A CN 109491980A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/54—Interprogram communication
- G06F9/543—User-generated data transfer, e.g. clipboards, dynamic data exchange [DDE], object linking and embedding [OLE]
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Abstract
This application discloses a kind of remote replication method of file system, device, equipment and storage mediums, this method comprises: establishing host file system by network link and from the remote copy pairing relationship between file system；Data are periodically copied into the slave file system matched with it from host file system；When disaster occurs, the main storage system of the support host file system of failure is switched to the slave storage system supported from file system；It is switched back after main storage system recovery, and the differential data of period is replicated, revert to initial remote copy pairing relationship.Service switchover and recovery these stages of data when the realization process of above-mentioned file system remote copy includes remote copy data, disaster generation; it can guarantee duration, restorability and the high availability of data access; help mitigates since nature or human factor lead to regional shutdown risk; when disaster occurs, load, which can be transferred to from storage system, guarantees business ongoing operation.
Description
Technical field
The present invention relates to technical field of memory, more particularly to a kind of remote replication method of file system, device, equipment and
Storage medium.
Background technique
Currently, data are increasingly becoming the operation core of enterprise, and user is to carrying with the propulsion of every profession and trade digitlization process
The stability requirement of the storage system of data is also higher and higher, while supporting the storage system of the file system also quilt in every profession and trade
It is widely applied.Although enterprise possesses the storage equipment of high stability, but various natural calamities or artificial can not be prevented
Factor leads to regional shutdown risk to storage system, causes the expendable breaking-up of data in file system.
Therefore, how to mitigate since nature or human factor lead to regional shutdown risk, be art technology
Personnel's technical problem urgently to be resolved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of remote replication method of file system, device, equipment and storages
Medium, it is ensured that duration, restorability and the high availability of data access mitigate since nature or human factor lead to area
Domain property shuts down risk.Its concrete scheme is as follows:
A kind of remote replication method of file system, comprising:
Host file system is established by network link and from the remote copy pairing relationship between file system；
Periodically by data from the host file system copy to its match described in from file system；
When disaster occurs, the main storage system of host file system described in the support by failure is switched to described in support
From the slave storage system of file system；
It is switched back after main storage system recovery, and the differential data during recovery is replicated, reverted to
The initial remote copy pairing relationship.
Preferably, in above-mentioned remote replication method of file system provided in an embodiment of the present invention, periodically by data from
The host file system copy to its match described in from file system, specifically include:
Write data requests are issued to the main storage system for supporting the host file system；
The data that the main storage system caches are written to the host file system；
Data Change Map is established in the host file system records the host file system and described in matching with it
Snapshot is created from the differential data between file system, and in the host file system；
After the starting of remote copy timing cycle, the differential data copied to support it is described from file system from storage
In the caching of system and under brush it is described from file system；
After data synchronously complete, snapshot is created from file system described, backup is described to be completed from file system synchronization
Data afterwards.
Preferably, described from text in backup in above-mentioned remote replication method of file system provided in an embodiment of the present invention
Part system synchronously complete after data after, further includes:
It deletes described from the snapshot created when synchronously completing the file system last time；
Delete the snapshot created when the host file system last time synchronization starts；
Delete the differential data in the Data Change Map.
Preferably, in above-mentioned remote replication method of file system provided in an embodiment of the present invention, in periodicity by data
From the host file system copy to its match described in front of file system, further includes:
Data in the initial host file system are all copied to described from file system.
It preferably,, will when disaster occurs in above-mentioned remote replication method of file system provided in an embodiment of the present invention
The main storage system of host file system described in the support of failure, which is switched to, supports the slave storage system from file system,
It specifically includes:
When disaster occurs, by manually or configuration script by the IP address from storage system from unavailable shape
State changes available mode, by the main storage system and described from completing network switching between storage system；The wherein master
Storage system is identical with the IP address from storage system.
It preferably,, will when disaster occurs in above-mentioned remote replication method of file system provided in an embodiment of the present invention
The main storage system of host file system described in the support of failure, which is switched to, supports the slave storage system from file system,
Specifically further include:
When disaster occurs, fault pre-alarming signal is issued；
Start after application disposes and test and pass through described from storage system, by service request from the main storage system to
It is described to be switched over from storage system.
Preferably, in above-mentioned remote replication method of file system provided in an embodiment of the present invention, when the primary storage system
System switches back after restoring, and the differential data during recovery is replicated, and reverts to initial remote copy pairing
Relationship specifically includes:
After main storage system recovery, the net between file system and the host file system is reconnected
Network link；
Differential data during restoration is copied into the host file system using multiple synchronize；
It is repeatedly synchronous to restore data, when the host file system and the data difference between file system are being set
When in range, stop the business from storage system；
It is again started up synchronization, the main storage system after restoring is switched to from storage system by described, restores initial
The remote copy pairing relationship.
The embodiment of the invention also provides a kind of file system remote copy devices, comprising:
Relationship establishes module, for establishing host file system by network link and from the remote copy between file system
Pairing relationship；
Data replication module, for periodicity by data from the host file system copy to its match described in from text
Part system；
System switching module is used for the primary storage of host file system described in the support by failure when disaster occurs
System, which is switched to, supports the slave storage system from file system；
Relationship recovery module, for being switched back after main storage system recovery, and by the difference number during recovery
According to being replicated, the initial remote copy pairing relationship is reverted to.
The embodiment of the invention also provides a kind of file system remote copy equipment, including processor and memory, wherein
The processor realizes such as above-mentioned file provided in an embodiment of the present invention when executing the computer program saved in the memory
System remote clone method.
The embodiment of the invention also provides a kind of computer readable storage mediums, for storing computer program, wherein institute
It states and realizes such as above-mentioned remote replication method of file system provided in an embodiment of the present invention when computer program is executed by processor.
It can be seen from the above technical proposal that a kind of remote replication method of file system provided by the present invention, device, setting
Standby and storage medium, this method comprises: establishing host file system by network link and from the remote copy between file system
Pairing relationship；Data are periodically copied into the slave file system matched with it from host file system；When disaster occurs, will go out
The main storage system of the support host file system of existing failure is switched to the slave storage system supported from file system；When primary storage system
System switches back after restoring, and the differential data during recovery is replicated, and reverts to initial remote copy pairing relationship.
When the realization process of file system remote copy provided by the invention includes remote copy data, disaster generation
Service switchover and recovery these stages of data, it is ensured that duration, restorability and the high availability of data access help to subtract
Gently since nature or human factor lead to regional shutdown risk, when disaster occurs, load, which can be transferred to from storage, is
System is to guarantee business ongoing operation.
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
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the flow chart of remote replication method of file system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of file system remote copy device provided in an embodiment 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 present invention provides a kind of remote replication method of file system, as shown in Figure 1, comprising the following steps:
S101, host file system is established by network link and from the remote copy pairing relationship between file system；
Data are copied to the slave file system matched with it from host file system by S102, periodicity；
S103, when disaster occurs, by the main storage system of the support host file system of failure be switched to support from
The slave storage system of file system；It should be noted that main storage system is that host file system is being used；It is from storage system
From the redundancy of file system backup done；
S104, it is switched back after main storage system recovery, and the differential data during recovery is replicated, reverted to
Initial remote copy pairing relationship.
It include remote copy data, calamity in above-mentioned remote replication method of file system provided in an embodiment of the present invention
Service switchover and recovery these stages of data when hardly possible occurs, it is ensured that duration, restorability and the Gao Ke of data access
With property, help mitigates since nature or human factor lead to regional shutdown risk, and when disaster occurs, load can be transferred
To guaranteeing business ongoing operation from storage system.
It should be noted that referring to main storage system from breaking down the period recovery during above-mentioned recovery；
Above-mentioned differential data refers to host file system and the data from the difference between file system；It is possible thereby to think, during recovery
Differential data refer to the data formed from file system in this period from breaking down to restoring in main storage system.
In the specific implementation, in above-mentioned remote replication method of file system provided in an embodiment of the present invention, step S102
Data are periodically copied into the slave file system matched with it from host file system, can specifically include following steps:
Step 1: issuing write data requests to the main storage system for supporting host file system；
Step 2: the data that main storage system caches are written to host file system；
Step 3: the slave file establishing Data Change Map record host file system in host file system and being matched with it
Differential data between system, and snapshot is created in host file system；
Step 4: after the starting of remote copy timing cycle, differential data is copied to and is supported from file system from storage
In the caching of system and under brush from file system；
Step 5: creating snapshot from file system after data synchronously complete, backing up after the completion of file system synchronization
Data.
One to step 5 through the above steps, differential data is recorded using Data Change Map, in case past from storage system
Differential data need to be only replicated when replicate data, and then improves duplicating efficiency；It can be protected in host file system using snapping technique
The main file system data read in card synchronizing process has consistency, and makes synchronizing process and host to host file system
The process of writing can carry out simultaneously；Cause that can be abnormal from file system using snapping technique to avoid next synchronizing process
It is unavailable from the data of file system.
Further, in the specific implementation, in above-mentioned remote replication method of file system provided in an embodiment of the present invention,
Junk data accumulation in order to prevent takes up space, data after the completion of backup is from file system synchronization in having executed above-mentioned steps five
It later, can also include: to delete from the snapshot created when synchronously completing the file system last time；It is last to delete host file system
The snapshot created when synchronous beginning；Delete the differential data in Data Change Map.
In the specific implementation, in above-mentioned remote replication method of file system provided in an embodiment of the present invention, data can only
It is copied to by network link from file system by host file system, master file is established by network link executing step S101
System and after the remote copy pairing relationship between file system is executing step S102 periodically by data from master file
It can also include: that the data in initial host file system are whole before system copies to the slave file system matched with it
It copies to from file system.Start the initial synchronisation of remote copy, first to guarantee the data and master file system from file system
The data of system at a time are completely the same.
In the specific implementation, long-range in above-mentioned file system provided in an embodiment of the present invention when home site is by disaster
In clone method, main storage system may be implemented to the service switching from storage system, slave site adapter tube business rapidly can make
Business is restored in the shortest time, to guarantee the continuous service of business.There are history services from storage system before switching
Data have been already configured with service application identical with main business host on standby traffic host, support host pair from storage system
It is written and read from file system.When an error occurs, main storage system fails, main storage system and between storage system
Network link disconnect extremely, at this point, by being set as read-write from the access limit of storage system, to prepare main storage system
It is switched to from storage system.It should be noted that switching mode can be divided into network switching and application switching.
When switching mode is network switching, step S103 is when occurring disaster, by the support master file system of failure
The main storage system of system is switched to the slave storage system supported from file system, can specifically include: when disaster occurs, passing through
Manually or configuration script will change available mode from the IP address of storage system from down state, by main storage system
With from completing network switching between storage system；Wherein main storage system and the IP address from storage system are set as identical, visitor
Family end can access to application by IP address.Under normal circumstances, unavailable shape is set as from the IP address of storage system
State, main storage system IP address are set as available mode, and client is accessible to arrive main storage system, but when disaster occurs,
Just it will change available mode from the IP address of storage system from down state.
When switching mode is application switching, step S103 is when occurring disaster, by the support master file system of failure
The main storage system of system, which is switched to, to be supported to can specifically include from the slave storage system of file system: when disaster occurs, from depositing
After storage system detects that main storage system breaks down by network link, fault pre-alarming signal is issued；At this time from storage system
The deployment of starting application at once starts after application disposes and test and pass through from storage system, will be immediately performed service switchover, i.e.,
Service request is switched over from main storage system to from storage system.
In the specific implementation, after main storage system recovery, the switching of Yao Jinhang business makes main storage system again external
Service is provided, therefore in above-mentioned remote replication method of file system provided in an embodiment of the present invention, step S104 works as primary storage
System switches back after restoring, and the differential data during recovery is replicated, and reverts to initial remote copy pairing and closes
System, can specifically include: after main storage system recovery, reconnect the lattice chain between file system and host file system
Road；(can from storage system not busy) using repeatedly it is synchronous by from the slave file system of storage system in main storage system
The differential data formed during recovery copies to host file system；It is repeatedly synchronous to restore data, when host file system with from file
Data difference between system within the set range (setting range can be smaller) when, stop the business from storage system；
It is again started up synchronization, the main storage system after restoring will be switched to from storage system, restores initial remote copy pairing relationship.
It is repeatedly synchronous to restore data in above-mentioned steps, make host file system and from the data difference ratio between file system
When smaller, then stop business, starting last time is synchronous, both ensure that data will not lose in this way, in turn ensures that business stops
Time is most short.And stop business, it is again started up synchronization, data difference caused by host service when can be used to eliminate subsynchronous
It is different.It should be noted that the remote copy pairing for restoring initial is closed by the main storage system after restoring is switched to from storage system
After system, need that read only attribute will be re-set as from storage system.
Based on the same inventive concept, the embodiment of the invention also provides a kind of file system remote copy devices, due to this
The principle that file system remote copy device solves the problems, such as is similar to a kind of aforementioned remote replication method of file system, therefore this article
The implementation of part system remote reproducing unit may refer to the implementation of remote replication method of file system, and overlaps will not be repeated.
In the specific implementation, file system remote copy device provided in an embodiment of the present invention, as shown in Fig. 2, specific packet
It includes:
Relationship establishes module 11, for establishing host file system by network link and from long-range multiple between file system
Pairing relationship processed；
Data are copied to the slave file system matched with it from host file system for periodicity by data replication module 12
System；
System switching module 13 is used for when disaster occurs, by the primary storage system of the support host file system of failure
System is switched to the slave storage system supported from file system；
Relationship recovery module 14, for being switched back after main storage system recovery, and by the differential data during recovery
It is replicated, reverts to initial remote copy pairing relationship.
In above-mentioned file system remote copy device provided in an embodiment of the present invention, aforementioned four module can be passed through
Interaction, service switchover and recovery these stages of data when including remote copy data, disaster generation, it is ensured that number
According to the duration of access, restorability and high availability, help mitigates since nature or human factor lead to regional shutdown wind
Danger, when disaster occurs, load, which can be transferred to from storage system, guarantees business ongoing operation.
Corresponding contents disclosed in previous embodiment can be referred to about the more specifical course of work of above-mentioned modules,
This is no longer repeated.
Correspondingly, the embodiment of the invention also discloses a kind of file system remote copy equipment, including processor and storage
Device；Wherein, realize that file system disclosed in previous embodiment is long-range when processor executes the computer program saved in memory
Clone method.
It can be with reference to corresponding contents disclosed in previous embodiment, herein no longer about the more specifical process of the above method
It is repeated.
Further, the invention also discloses a kind of computer readable storage mediums, for storing computer program；It calculates
Machine program realizes aforementioned disclosed remote replication method of file system when being executed by processor.
It can be with reference to corresponding contents disclosed in previous embodiment, herein no longer about the more specifical process of the above method
It is repeated.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
It sets, for equipment, storage medium, since it is corresponded to the methods disclosed in the examples, so be described relatively simple, correlation
Place is referring to method part illustration.
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 scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
To sum up, a kind of remote replication method of file system, device, equipment and storage medium provided in an embodiment of the present invention,
This method comprises: establishing host file system by network link and from the remote copy pairing relationship between file system；Period
Data are copied to the slave file system matched with it from host file system by property；When disaster occurs, by the support of failure
The main storage system of host file system is switched to the slave storage system supported from file system；Switch after main storage system recovery
It goes back, and the differential data during recovery is replicated, revert to initial remote copy pairing relationship.It is provided by the invention
The realization process of file system remote copy include remote copy data, disaster occur when service switchover and restore data this
A little stages, it is ensured that duration, restorability and the high availability of data access, help mitigate due to nature or human factor
Lead to regional shutdown risk, when disaster occurs, load, which can be transferred to from storage system, guarantees business ongoing operation.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Remote replication method of file system provided by the present invention, device, equipment and storage medium have been carried out in detail above
Thin to introduce, 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 method and its core concept of the invention；At the same time, for those skilled in the art, foundation
Thought of the invention, there will be changes in the specific implementation manner and application range, in conclusion the content of the present specification is not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of remote replication method of file system characterized by comprising
Host file system is established by network link and from the remote copy pairing relationship between file system；
Periodically by data from the host file system copy to its match described in from file system；
When disaster occurs, it is described from text that the main storage system of host file system described in the support by failure is switched to support
The slave storage system of part system；
It is switched back after main storage system recovery, and the differential data during recovery is replicated, reverted to initial
The remote copy pairing relationship.
2. remote replication method of file system according to claim 1, which is characterized in that periodically by data from the master
File system copy to its match described in from file system, specifically include:
Write data requests are issued to the main storage system for supporting the host file system；
The data that the main storage system caches are written to the host file system；
Established in the host file system Data Change Map record the host file system and with its match described in from text
Differential data between part system, and snapshot is created in the host file system；
After the starting of remote copy timing cycle, the differential data is copied to and supports the slave storage system from file system
Caching in and under brush it is described from file system；
After data synchronously complete, snapshot is created from file system described, backup is described after the completion of file system synchronization
Data.
3. remote replication method of file system according to claim 2, which is characterized in that described from file system in backup
After data after synchronously completing, further includes:
It deletes described from the snapshot created when synchronously completing the file system last time；
Delete the snapshot created when the host file system last time synchronization starts；
Delete the differential data in the Data Change Map.
4. remote replication method of file system according to claim 1, which is characterized in that in periodicity by data from described
Host file system copy to its match described in front of file system, further includes:
Data in the initial host file system are all copied to described from file system.
5. remote replication method of file system according to claim 1, which is characterized in that when disaster occurs, will occur
The main storage system of host file system described in the support of failure, which is switched to, supports the slave storage system from file system, specifically
Include:
When disaster occurs, by manually or configuration script changes described from the IP address of storage system from down state
Become available mode, by the main storage system and described from completing network switching between storage system；The wherein primary storage
System is identical with the IP address from storage system.
6. remote replication method of file system according to claim 5, which is characterized in that when disaster occurs, will occur
The main storage system of host file system described in the support of failure, which is switched to, supports the slave storage system from file system, specifically
Further include:
When disaster occurs, fault pre-alarming signal is issued；
Start after application disposes and test and pass through described from storage system, by service request from the main storage system to described
It is switched over from storage system.
7. remote replication method of file system according to claim 1, which is characterized in that when the main storage system restores
After switch back, and the differential data during recovery is replicated, reverts to the initial remote copy pairing relationship, had
Body includes:
After main storage system recovery, the lattice chain between file system and the host file system is reconnected
Road；
Differential data during restoration is copied into the host file system using multiple synchronize；
It is repeatedly synchronous to restore data, when the host file system and the data difference between file system are in setting range
When interior, stop the business from storage system；
It is again started up synchronization, the main storage system after restoring is switched to from storage system by described, restores initial described
Remote copy pairing relationship.
8. a kind of file system remote copy device characterized by comprising
Relationship establishes module, for establishing host file system by network link and matching from the remote copy between file system
Relationship；
Data replication module, for periodicity by data from the host file system copy to its match described in from file system
System；
System switching module is used for the main storage system of host file system described in the support by failure when disaster occurs
It is switched to and supports the slave storage system from file system；
Relationship recovery module, for when the main storage system recovery after switch back, and by the differential data during recovery into
Row duplication, reverts to the initial remote copy pairing relationship.
9. a kind of file system remote copy equipment, which is characterized in that including processor and memory, wherein the processor
Realize that file system as described in any one of claim 1 to 7 is long-range when executing the computer program saved in the memory
Clone method.
10. a kind of computer readable storage medium, which is characterized in that for storing computer program, wherein the computer journey
Remote replication method of file system as described in any one of claim 1 to 7 is realized when sequence is executed by processor.
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| CN201811300833.4A CN109491980A (en) | 2018-11-02 | 2018-11-02 | A kind of remote replication method of file system, device, equipment and storage medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008176A (en) * | 2019-04-11 | 2019-07-12 | 苏州浪潮智能科技有限公司 | A kind of file creating method and relevant apparatus |
| CN110059061A (en) * | 2019-03-22 | 2019-07-26 | 厦门快商通信息咨询有限公司 | The backup method and back-up device and storage medium of a kind of voice print database |
| CN111522789A (en) * | 2020-04-20 | 2020-08-11 | 京东数字科技控股有限公司 | Log replication method and device for master server and slave server and log storage system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737098A (en) * | 2011-03-29 | 2012-10-17 | 日本电气株式会社 | Distributed file system |
| CN105339903A (en) * | 2013-06-03 | 2016-02-17 | 惠普发展公司，有限责任合伙企业 | Restoring a file system object |
| CN105893176A (en) * | 2016-03-28 | 2016-08-24 | 杭州宏杉科技有限公司 | Management method and device of network storage system |
| CN106502823A (en) * | 2016-09-29 | 2017-03-15 | 北京许继电气有限公司 | data cloud backup method and system |
| CN106528338A (en) * | 2016-10-28 | 2017-03-22 | 华为技术有限公司 | Remote data replication method, storage equipment and storage system |
| CN107710164A (en) * | 2015-03-31 | 2018-02-16 | 伊姆西知识产权控股有限责任公司 | As a kind of disaster recovery of service |
-
2018
- 2018-11-02 CN CN201811300833.4A patent/CN109491980A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102737098A (en) * | 2011-03-29 | 2012-10-17 | 日本电气株式会社 | Distributed file system |
| CN105339903A (en) * | 2013-06-03 | 2016-02-17 | 惠普发展公司，有限责任合伙企业 | Restoring a file system object |
| CN107710164A (en) * | 2015-03-31 | 2018-02-16 | 伊姆西知识产权控股有限责任公司 | As a kind of disaster recovery of service |
| CN105893176A (en) * | 2016-03-28 | 2016-08-24 | 杭州宏杉科技有限公司 | Management method and device of network storage system |
| CN106502823A (en) * | 2016-09-29 | 2017-03-15 | 北京许继电气有限公司 | data cloud backup method and system |
| CN106528338A (en) * | 2016-10-28 | 2017-03-22 | 华为技术有限公司 | Remote data replication method, storage equipment and storage system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110059061A (en) * | 2019-03-22 | 2019-07-26 | 厦门快商通信息咨询有限公司 | The backup method and back-up device and storage medium of a kind of voice print database |
| CN110008176A (en) * | 2019-04-11 | 2019-07-12 | 苏州浪潮智能科技有限公司 | A kind of file creating method and relevant apparatus |
| CN111522789A (en) * | 2020-04-20 | 2020-08-11 | 京东数字科技控股有限公司 | Log replication method and device for master server and slave server and log storage system |
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Application publication date: 20190319 |