CN106789180A - The service control method and device of a kind of meta data server - Google Patents
The service control method and device of a kind of meta data server Download PDFInfo
- Publication number
- CN106789180A CN106789180A CN201611092710.7A CN201611092710A CN106789180A CN 106789180 A CN106789180 A CN 106789180A CN 201611092710 A CN201611092710 A CN 201611092710A CN 106789180 A CN106789180 A CN 106789180A
- Authority
- CN
- China
- Prior art keywords
- server
- metadata
- meta data
- correspondence
- data server
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
Abstract
The invention discloses the service control method and device of a kind of meta data server, wherein the method includes：Shadow node corresponding with each meta data server in metadata server cluster is set；Control the data preserved in each shadow node consistent with the metadata information preserved in correspondence meta data server；If any piece of metadata server fail turns into failed server, the data for controlling the corresponding shadow node of the failed server to be based on storage realize correspondence Metadata Service.In above-mentioned technical proposal disclosed in the present application, correspondence meta data server can be replaced to realize correspondence Metadata Service by correspondence shadow node when meta data server breaks down, so as to avoid metadata because correspondence meta data server break down appearance loss situations such as, can when meta data server breaks down its Metadata Service that should provide of fast quick-recovery, it is ensured that the continuity of Metadata Service in server cluster.
Description
Technical field
The present invention relates to metadata technical field of memory, more specifically to a kind of service control of meta data server
Method processed.
Background technology
With the development of Internet of Things, cloud computing and mobile e-business, big data business account for the ratio of whole database market
Example is improved constantly；The arriving in big data epoch makes data analysis and process ability turn into the technology hand that data center is increasingly relied on for counsel
Section；The expansion of information scale and the variation of data structure, make mass data storage turn into the focus of big data analysis and research.
In order to realize the fast reading and writing of data, it usually needs get the metadata of data, including the corresponding file of data
The information such as title and storage location, and then the relevant information that metadata determines data is first passed through when reading and writing data is realized, with
Corresponding data are quickly navigated to based on the relevant information.In the prior art in order to realize the corresponding a large amount of metadata of mass data
Information, it usually needs during metadata stored into each meta data server into metadata cluster, but with cluster scale
Expansion, probability that meta data server breaks down increases, and if any piece of metadata server fail, then its storage
Metadata will lose and cannot recover, and then lead to not realize the read-write of corresponding data based on this part metadata, i.e., without
Method realizes the Metadata Service that the meta data server for breaking down should be provided.
In sum, exist in the prior art and be likely to occur because meta data server failure leads to not realize corresponding element number
According to the problem of service scenario.
The content of the invention
It is an object of the invention to provide a kind of service control method of meta data server, to solve to exist in the prior art
Be likely to occur and lead to not to realize the problem of correspondence Metadata Service situation because of meta data server failure.
To achieve these goals, the present invention provides following technical scheme：
A kind of service control method of meta data server, including：
Shadow node corresponding with each meta data server in metadata server cluster is set；
The data preserved in each described shadow node are controlled with the metadata information preserved in corresponding meta data server
Unanimously；
If any meta data server breaks down as failed server, failed server correspondence is controlled
Shadow node be based on storage data realize correspondence Metadata Service.
Preferably, the data preserved in each described shadow node are controlled with the first number preserved in corresponding meta data server
It is believed that breath is consistent, including：
Each shadow node is controlled to obtain the image file of correspondence meta data server, the image file is in advance to right
Answering the metadata information preserved in meta data server carries out what mirror image was obtained；
If the metadata information preserved in any piece of metadata server changes relative to correspondence image file, will
The corresponding log information of the change is sent to corresponding shadow node.
Preferably, also include：
If the corresponding shadow node of the failed server is malfunctioning node, by the corresponding mirror of the failed server
Obtain merging metadata information as file and log information are merged, and by the merging after the failed server is restarted
Metadata information is sent to the failed server, and the merging metadata information is based on after restarting for the failed server
Realize correspondence Metadata Service.
Preferably, the merging metadata information is sent to the failed server, is also included：
The corresponding image file of the failed server and log information are sent to the failed server, for described
It is consistent that failed server judges that the merging metadata information carries out data with the image file and log information that are currently received
Property verification, and after verification passes through realize correspondence Metadata Service.
Preferably, also include：
The corresponding image file of each described meta data server of timing acquisition and log information, and time and right will be obtained
The image file and log information that should be got are stored；
If each described meta data server and correspondence shadow node break down, taken in each described metadata
Business device and correspondence shadow node break down moment nearest acquisition moment corresponding image file and daily record distance after restarting
Information is sent to corresponding meta data server and shadow node.
A kind of service control device of meta data server, including：
Setup module, for setting shadow node corresponding with each meta data server in metadata server cluster；
Uniformity module, the data for controlling to be preserved in each described shadow node are protected with corresponding meta data server
The metadata information deposited is consistent；
First recovery module, if broken down as failed server for any meta data server, controls
Make the data realization correspondence Metadata Service that the corresponding shadow node of the failed server is based on storage.
Preferably, the uniformity module includes：
Consistency unit, is used for：Each shadow node is controlled to obtain the image file of correspondence meta data server, the mirror
As file is that metadata information in advance to being preserved in correspondence meta data server carries out mirror image and obtains；And if for appointing
The metadata information preserved in meta-data server changes relative to correspondence image file, then by the change corresponding day
Will information is sent to corresponding shadow node.
Preferably, also include：
Second recovery module, if being malfunctioning node for the corresponding shadow node of the failed server, will be described
The corresponding image file of failed server and log information merge and obtain merging metadata information, and in the failed services
Think highly of and send to the failed server merging metadata information after opening, be based on after restarting for the failed server
The merging metadata information realizes correspondence Metadata Service.
Preferably, also include：
Correction verification module, for the merging metadata information to be sent to the failed server, by the failure
The corresponding image file of server and log information are sent to the failed server, so that the failed server judges described
Merge metadata information carries out consistency verification of data with the image file and log information being currently received, and passes through in verification
Correspondence Metadata Service is realized afterwards.
Preferably, also include：
3rd recovery module, is used for：The corresponding image file of each described meta data server of timing acquisition and daily record letter
Cease, and image file and log information that acquisition time and correspondence are got are stored；And if for described in each
Meta data server and correspondence shadow node break down, then in each described meta data server and correspondence shadow node weight
Distance broken down into moment nearest acquisition moment corresponding image file after opening and log information is sent to corresponding first number
According to server and shadow node.
The invention provides the service control method and device of a kind of meta data server, wherein the method includes：Set
Shadow node corresponding with each meta data server in metadata server cluster；Control to be preserved in each described shadow node
Data with correspondence meta data server in preserve metadata information it is consistent；If there is event in any meta data server
Barrier turns into failed server, then the data for controlling the corresponding shadow node of the failed server to be based on storage realize correspondence metadata
Service.It is that each meta data server sets correspondence shadow node, and each shadow in above-mentioned technical proposal disclosed in the present application
The data of node are consistent with the metadata information in corresponding meta data server, so as to be broken down in meta data server
When correspondence meta data server can be replaced to realize correspondence Metadata Service by correspondence shadow node, so as to avoid metadata because
Correspondence meta data server break down appearance loss situations such as, improve the reliability of metadata；Further by above-mentioned
Technical scheme can when meta data server breaks down its Metadata Service that should provide of fast quick-recovery, it is ensured that server
The continuity of Metadata Service in cluster.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is a kind of flow chart of the service control method of meta data server provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of the service control device of meta data server provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, it illustrates a kind of service control method of meta data server provided in an embodiment of the present invention
Flow chart, may comprise steps of：
S11：Shadow node corresponding with each meta data server in metadata server cluster is set.
Include multiple meta data servers in metadata server cluster, each meta data server is stored with, and its is right
The metadata information of partial data is answered, including the corresponding file name of this partial data, storage location etc., and is taken for metadata
Business device can be set with the corresponding relation of data previously according to being actually needed.Shadow node is specifically as follows one in standby
With the meta data server in metadata server cluster under state or single node, meta data server and shadow node
Correspond.
S12：The data preserved in each shadow node are controlled with the metadata information preserved in corresponding meta data server
Unanimously.
Control the metadata information of the data and preservation in corresponding meta data server preserved in each shadow node all the time
It is consistent, namely data are identical all the time with metadata information in corresponding meta data server in keeping each shadow node, but
It is that shadow node is in stand-by state, i.e., in meta data server normal work, shadow node is not provide Metadata Service
Device, it is only necessary to which consistent with the metadata information preservation that correspondence meta data server is preserved, shadow node is to right in other words
The backup for answering meta data server to carry out.
S13：If any piece of metadata server fail turns into failed server, failed server correspondence is controlled
Shadow node be based on storage data realize correspondence Metadata Service.
When any piece of metadata server turns into failed server, it is impossible to continue to provide its metadata information safeguarded,
Influence the access of topmost paper system；Protected before now being broken down with failed server due to the data in its correspondence shadow node
The metadata information deposited is consistent, therefore directly by shadow node replacement failed server, and can provide failed server and should carry
The Metadata Service of confession, so as to the node for realizing meta data server is hot standby.
It is that each meta data server sets correspondence shadow node, and each in above-mentioned technical proposal disclosed in the present application
The data of shadow node are consistent with the metadata information in corresponding meta data server, so as to occur in meta data server
Correspondence meta data server can be replaced to realize correspondence Metadata Service by correspondence shadow node during failure, so as to avoid first number
According to because correspondence meta data server break down appearance loss situations such as, improve the reliability of metadata；Further pass through
Above-mentioned technical proposal can when meta data server breaks down its Metadata Service that should provide of fast quick-recovery, it is ensured that clothes
The continuity of Metadata Service in business device cluster.
A kind of service control method of meta data server provided in an embodiment of the present invention, controls to be protected in each shadow node
The data deposited are consistent with the metadata information preserved in correspondence meta data server, can include：
Each shadow node is controlled to obtain the image file of correspondence meta data server, image file is in advance to corresponding element
The metadata information preserved in data server carries out what mirror image was obtained；
If the metadata information preserved in any piece of metadata server changes relative to correspondence image file, will
The corresponding log information of the change is sent to corresponding shadow node.
Mirror image (Mirroring) is a type of redundancy, and the data on a disk have one on another disk
Individual identical copy is mirror image, and image file is the copy of correspondence meta data server in the application.And it is in office
The metadata information preserved in meta-data server is relative to the image file of the meta data server when changing, can be with
The change is recorded as log information, and then log information is sent to correspondence shadow node, taken by obtaining correspondence metadata
The image file and log information of business device, can effectively ensure that shadow node and the metadata preserved in corresponding meta data server
The uniformity of information.
A kind of service control method of meta data server provided in an embodiment of the present invention, can also include：
If the corresponding shadow node of failed server is malfunctioning node, by the corresponding image file of failed server and
Log information merge obtain merge metadata information, and after failed server is restarted will merge metadata information send to
Failed server, correspondence Metadata Service is realized after restarting for failed server based on merging metadata information.
If failed server correspondence shadow node also there occurs that failure turns into malfunctioning node, based on failed server
Image file and log information realize the recovery of correspondence Metadata Service, specifically, can be by the corresponding first number of log information
It is believed that the data of corresponding part in image file are replaced in the change of breath, and then obtain merging metadata information, in keeper couple event
Barrier server is realized that reparation is operated and will merge metadata information after restarting and is sent to failed server, thus, failed server
Correspondence Metadata Service can be provided based on metadata information is merged, so as to further ensure the continuity of Metadata Service.
A kind of service control method of meta data server provided in an embodiment of the present invention, will merge metadata information and sends
To failed server, can also include：
The corresponding image file of failed server and log information are sent to failed server, so that failed server is sentenced
The disconnected metadata information that merges carries out consistency verification of data with the image file and log information being currently received, and logical in verification
Later correspondence Metadata Service is realized.
It should be noted that in order to ensure to merge metadata information and corresponding image file and the uniformity of log information,
To merge metadata information send after the failed server to after restarting can also by the corresponding image file of failed server and
Log information is sent to failed server, and image file and log information are merged and determine to merge acquired results by failed server
Whether consistent with the merging metadata information for receiving, if it is, verification passes through, failed server is based on metadata information reality
Metadata Service is now corresponded to, otherwise, then verification failure can send to the management of keeper's correspondence eventually the information for verifying failure
End, and temporarily do not provide Metadata Service, waits the treatment of keeper, so as to further ensure metadata reliability and
The normal offer of Metadata Service.
A kind of service control method of meta data server provided in an embodiment of the present invention, can also include：
The corresponding image file of each meta data server of timing acquisition and log information, and acquisition time and correspondence are obtained
The image file and log information got are stored；
If each meta data server and correspondence shadow node break down, in each meta data server and right
Distance broken down into moment nearest acquisition moment corresponding image file after answering shadow node to restart and log information sends
To corresponding meta data server and shadow node.
The corresponding image file of each meta data server and log information of timing acquisition, including the meta data server
Image file and its metadata information for preserving occurs relative to image file by the end of current time each change correspondingly
Log information, so as to acquisition time and the above- mentioned information for getting be stored, also as above- mentioned information increases timestamp,
Different information are got so as to be based on the different acquisition times.If each meta data server and correspondence shadow node are equal
Break down, then need to obtain the corresponding mirror image text that distance occurs the acquisition time at the nearest moment at moment of above-mentioned failure and obtains
Part and log information, after causing that system reboot, i.e. meta data server and shadow node are restarted, meta data server and shadow
Child node can get the data that should have before failure, and then cause that meta data server normally provides Metadata Service, and
Shadow node continues to keep the data consistency with meta data server, so that before ensureing that each server and node return to failure
Consistent state, realize global state recover.
It should be noted that above-mentioned technical proposal provided in an embodiment of the present invention can apply to large data files system
In, the system mainly includes multiple meta data servers, multiple data servers, shared storage pool and multiple client node.
Wherein, image file and correspondence log information can be stored into shared storage pool, and specifically, shared storage pool can be tieed up
Shield has the corresponding journal file of each meta data server, and each log information that the meta data server is produced can be stored
To correspondence journal file, and in order to ensure the reliability of image file and log information, can increase in shared storage pool
Its corresponding one or more copy, with due to some failures cause image file or log information to lose or damage when by
Corresponding data is got in corresponding copy；In addition, obtaining the data such as image file or log information in by shared storage pool
When, first can be obtained by local disk, if in the absence of being obtained by remote node again in local disk, so as to ensure that number
According to quick obtaining.
The embodiment of the present invention additionally provides a kind of service control device of meta data server, as shown in Fig. 2 can wrap
Include：
Setup module 11, for setting shadow section corresponding with each meta data server in metadata server cluster
Point；
Uniformity module 12, the data for controlling to be preserved in each shadow node are preserved with corresponding meta data server
Metadata information it is consistent；
First recovery module 13, if turning into failed server for any piece of metadata server fail, controls
The data that the corresponding shadow node of the failed server is based on storage realize correspondence Metadata Service.
A kind of service control device of meta data server provided in an embodiment of the present invention, uniformity module can include：
Consistency unit, is used for：Each shadow node is controlled to obtain the image file of correspondence meta data server, mirror image text
Part is that the metadata information in advance to being preserved in correspondence meta data server carries out mirror image and obtains；And if for any unit
The metadata information preserved in data server changes relative to correspondence image file, then by the corresponding daily record letter of the change
Breath is sent to corresponding shadow node.
A kind of service control device of meta data server provided in an embodiment of the present invention, can also include：
Second recovery module, if being malfunctioning node for the corresponding shadow node of failed server, by failed services
The corresponding image file of device and log information merge and obtain merging metadata information, and will be closed after failed server is restarted
And metadata information is sent to failed server, corresponding element is realized based on merging metadata information after restarting for failed server
Data, services.
A kind of service control device of meta data server provided in an embodiment of the present invention, can also include：
Correction verification module, sends to failed server for will merge metadata information, and failed server is corresponding
Image file and log information are sent to failed server, so that failed server judges to merge metadata information with current reception
To image file and log information carry out consistency verification of data, and correspondence Metadata Service is realized after verification passes through.
A kind of service control device of meta data server provided in an embodiment of the present invention, can also include：
3rd recovery module, is used for：The corresponding image file of each meta data server of timing acquisition and log information, and
The image file and log information that acquisition time and correspondence are got are stored；And if for each Metadata Service
Device and correspondence shadow node break down, then will be apart from generation after each meta data server and correspondence shadow node are restarted
The nearest acquisition moment corresponding image file of fault moment and log information are sent to corresponding meta data server and shadow
Node.
The explanation of relevant portion please be joined in a kind of service control device of meta data server provided in an embodiment of the present invention
See the detailed description of corresponding part in a kind of service control method of meta data server provided in an embodiment of the present invention, herein not
Repeat again.
The foregoing description of the disclosed embodiments, enables those skilled in the art to realize or uses the present invention.To this
Various modifications of a little embodiments will be apparent for a person skilled in the art, and generic principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (10)
1. a kind of service control method of meta data server, it is characterised in that including：
Shadow node corresponding with each meta data server in metadata server cluster is set；
Control the data preserved in each described shadow node consistent with the metadata information preserved in correspondence meta data server；
If any meta data server breaks down as failed server, the corresponding shadow of the failed server is controlled
The data that child node is based on storage realize correspondence Metadata Service.
2. method according to claim 1, it is characterised in that control the data that are preserved in each described shadow node with it is right
Answer the metadata information preserved in meta data server consistent, including：
Each shadow node is controlled to obtain the image file of correspondence meta data server, the image file is in advance to corresponding element
The metadata information preserved in data server carries out what mirror image was obtained；
If the metadata information preserved in any piece of metadata server changes relative to correspondence image file, this is become
Change corresponding log information to send to corresponding shadow node.
3. method according to claim 2, it is characterised in that also include：
If the corresponding shadow node of the failed server is malfunctioning node, by the corresponding mirror image text of the failed server
Part and log information merge and obtain merging metadata information, and merge first number by described after the failed server is restarted
It is believed that breath is sent to the failed server, realized based on the merging metadata information after restarting for the failed server
Correspondence Metadata Service.
4. method according to claim 3, it is characterised in that send to the failure clothes merging metadata information
After business device, also include：
The corresponding image file of the failed server and log information are sent to the failed server, for the failure
Server judges that the merging metadata information carries out data consistency school with the image file and log information being currently received
Test, and correspondence Metadata Service is realized after verification passes through.
5. method according to claim 2, it is characterised in that also include：
The corresponding image file of each described meta data server of timing acquisition and log information, and acquisition time and correspondence are obtained
The image file and log information got are stored；
If each described meta data server and correspondence shadow node break down, in each meta data server
And correspondence shadow node restart after distance is broken down moment nearest acquisition moment corresponding image file and log information
Send to corresponding meta data server and shadow node.
6. a kind of service control device of meta data server, it is characterised in that including：
Setup module, for setting shadow node corresponding with each meta data server in metadata server cluster；
Uniformity module, for the data and the preservation in corresponding meta data server that control to be preserved in each described shadow node
Metadata information is consistent；
First recovery module, if broken down as failed server for any meta data server, control should
The data that the corresponding shadow node of failed server is based on storage realize correspondence Metadata Service.
7. device according to claim 6, it is characterised in that the uniformity module includes：
Consistency unit, is used for：Each shadow node is controlled to obtain the image file of correspondence meta data server, the mirror image text
Part is that the metadata information in advance to being preserved in correspondence meta data server carries out mirror image and obtains；And if for any unit
The metadata information preserved in data server changes relative to correspondence image file, then by the corresponding daily record letter of the change
Breath is sent to corresponding shadow node.
8. device according to claim 7, it is characterised in that also include：
Second recovery module, if being malfunctioning node for the corresponding shadow node of the failed server, by the failure
The corresponding image file of server and log information merge and obtain merging metadata information, and think highly of in the failed services
The merging metadata information is sent to the failed server after opening, based on described after restarting for the failed server
Merge metadata information and realize correspondence Metadata Service.
9. device according to claim 8, it is characterised in that also include：
Correction verification module, for the merging metadata information to be sent to the failed server, by the failed services
The corresponding image file of device and log information are sent to the failed server, so that the failed server judges the merging
Metadata information carries out consistency verification of data with the image file and log information that are currently received, and in verification by rear real
Now correspond to Metadata Service.
10. device according to claim 7, it is characterised in that also include：
3rd recovery module, is used for：The corresponding image file of each described meta data server of timing acquisition and log information, and
The image file and log information that acquisition time and correspondence are got are stored；And if for metadata each described
Server and correspondence shadow node break down, then will after each described meta data server and correspondence shadow node are restarted
Distance breaks down moment nearest acquisition moment corresponding image file and log information is sent to corresponding Metadata Service
Device and shadow node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092710.7A CN106789180A (en) | 2016-11-30 | 2016-11-30 | The service control method and device of a kind of meta data server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611092710.7A CN106789180A (en) | 2016-11-30 | 2016-11-30 | The service control method and device of a kind of meta data server |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106789180A true CN106789180A (en) | 2017-05-31 |
Family
ID=58915763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611092710.7A Pending CN106789180A (en) | 2016-11-30 | 2016-11-30 | The service control method and device of a kind of meta data server |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106789180A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599982A (en) * | 2018-03-14 | 2018-09-28 | 华为技术有限公司 | Data reconstruction method and relevant device |
| CN109165112A (en) * | 2018-08-16 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of fault recovery method, system and the associated component of metadata cluster |
| CN109947730A (en) * | 2017-07-25 | 2019-06-28 | 中兴通讯股份有限公司 | Metadata restoration methods, device, distributed file system and readable storage medium storing program for executing |
| CN110719326A (en) * | 2019-10-08 | 2020-01-21 | 中国电子科技集团公司第二十八研究所 | Data synchronization method in high-availability software system adapting to low-quality communication link |
| CN111159786A (en) * | 2019-12-29 | 2020-05-15 | 浪潮电子信息产业股份有限公司 | Metadata protection method and device, electronic equipment and storage medium |
| CN112506710A (en) * | 2020-12-16 | 2021-03-16 | 深信服科技股份有限公司 | Distributed file system data repair method, device, equipment and storage medium |
| WO2021189312A1 (en) * | 2020-03-25 | 2021-09-30 | Beijing Didi Infinity Technology And Development Co., Ltd. | Meta server crash recovery in object storage system using enhanced meta structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102521083A (en) * | 2011-12-13 | 2012-06-27 | 广州杰赛科技股份有限公司 | Backup method and system of virtual machine in cloud computing system |
| CN103024020A (en) * | 2012-12-05 | 2013-04-03 | 蓝盾信息安全技术股份有限公司 | Network data file storing method and device based on WEB application |
| CN103455577A (en) * | 2013-08-23 | 2013-12-18 | 中国科学院计算机网络信息中心 | Multi-backup nearby storage and reading method and system of cloud host mirror image file |
| CN103544081A (en) * | 2013-10-23 | 2014-01-29 | 曙光信息产业(北京)有限公司 | Management method and device for double metadata servers |
| CN103763383A (en) * | 2014-01-27 | 2014-04-30 | 西安雷迪维护系统设备有限公司 | Integrated cloud storage system and storage method thereof |
| CN104932841A (en) * | 2015-06-17 | 2015-09-23 | 南京邮电大学 | Saving type duplicated data deleting method in cloud storage system |
| CN105930228A (en) * | 2016-04-06 | 2016-09-07 | 广州唯品会信息科技有限公司 | data backup method and system |
-
2016
- 2016-11-30 CN CN201611092710.7A patent/CN106789180A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102521083A (en) * | 2011-12-13 | 2012-06-27 | 广州杰赛科技股份有限公司 | Backup method and system of virtual machine in cloud computing system |
| CN103024020A (en) * | 2012-12-05 | 2013-04-03 | 蓝盾信息安全技术股份有限公司 | Network data file storing method and device based on WEB application |
| CN103455577A (en) * | 2013-08-23 | 2013-12-18 | 中国科学院计算机网络信息中心 | Multi-backup nearby storage and reading method and system of cloud host mirror image file |
| CN103544081A (en) * | 2013-10-23 | 2014-01-29 | 曙光信息产业(北京)有限公司 | Management method and device for double metadata servers |
| CN103763383A (en) * | 2014-01-27 | 2014-04-30 | 西安雷迪维护系统设备有限公司 | Integrated cloud storage system and storage method thereof |
| CN104932841A (en) * | 2015-06-17 | 2015-09-23 | 南京邮电大学 | Saving type duplicated data deleting method in cloud storage system |
| CN105930228A (en) * | 2016-04-06 | 2016-09-07 | 广州唯品会信息科技有限公司 | data backup method and system |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109947730A (en) * | 2017-07-25 | 2019-06-28 | 中兴通讯股份有限公司 | Metadata restoration methods, device, distributed file system and readable storage medium storing program for executing |
| CN109947730B (en) * | 2017-07-25 | 2024-02-02 | 中兴通讯股份有限公司 | Metadata recovery method, device, distributed file system and readable storage medium |
| CN108599982A (en) * | 2018-03-14 | 2018-09-28 | 华为技术有限公司 | Data reconstruction method and relevant device |
| CN108599982B (en) * | 2018-03-14 | 2021-02-12 | 华为技术有限公司 | Data recovery method and related equipment |
| CN109165112B (en) * | 2018-08-16 | 2022-02-18 | 郑州云海信息技术有限公司 | Fault recovery method, system and related components of metadata cluster |
| CN109165112A (en) * | 2018-08-16 | 2019-01-08 | 郑州云海信息技术有限公司 | A kind of fault recovery method, system and the associated component of metadata cluster |
| CN110719326A (en) * | 2019-10-08 | 2020-01-21 | 中国电子科技集团公司第二十八研究所 | Data synchronization method in high-availability software system adapting to low-quality communication link |
| CN110719326B (en) * | 2019-10-08 | 2021-11-12 | 中国电子科技集团公司第二十八研究所 | Data synchronization method in high-availability software system adapting to low-quality communication link |
| CN111159786B (en) * | 2019-12-29 | 2022-04-22 | 浪潮电子信息产业股份有限公司 | Metadata protection method and device, electronic equipment and storage medium |
| CN111159786A (en) * | 2019-12-29 | 2020-05-15 | 浪潮电子信息产业股份有限公司 | Metadata protection method and device, electronic equipment and storage medium |
| WO2021189312A1 (en) * | 2020-03-25 | 2021-09-30 | Beijing Didi Infinity Technology And Development Co., Ltd. | Meta server crash recovery in object storage system using enhanced meta structure |
| CN112506710A (en) * | 2020-12-16 | 2021-03-16 | 深信服科技股份有限公司 | Distributed file system data repair method, device, equipment and storage medium |
| CN112506710B (en) * | 2020-12-16 | 2024-02-23 | 深信服科技股份有限公司 | Distributed file system data restoration method, device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106789180A (en) | The service control method and device of a kind of meta data server | |
| US9940206B2 (en) | Handling failed cluster members when replicating a database between clusters | |
| US8473775B1 (en) | Locality based quorums | |
| US6578160B1 (en) | Fault tolerant, low latency system resource with high level logging of system resource transactions and cross-server mirrored high level logging of system resource transactions | |
| US8301600B1 (en) | Failover recovery in a distributed data store | |
| US7487383B2 (en) | Data transfer and recovery process | |
| US8938638B2 (en) | Recovery service location for a service | |
| US10216589B2 (en) | Smart data replication recoverer | |
| US8214685B2 (en) | Recovering from a backup copy of data in a multi-site storage system | |
| US9189348B2 (en) | High availability database management system and database management method using same | |
| EP2948849B1 (en) | System and method for replicating data | |
| CN106341454A (en) | Across-room multiple-active distributed database management system and across-room multiple-active distributed database management method | |
| CN107241430A (en) | A kind of enterprise-level disaster tolerance system and disaster tolerant control method based on distributed storage | |
| US20080162599A1 (en) | Optimizing backup and recovery utilizing change tracking | |
| US20120136827A1 (en) | Periodic data replication | |
| US20170315886A1 (en) | Locality based quorum eligibility | |
| JP2007511008A (en) | Hybrid real-time data replication | |
| MXPA06005797A (en) | System and method for failover. | |
| CN103077242A (en) | Method for hot standby of dual database servers | |
| WO2002050678A8 (en) | Method of 'split-brain' prevention in computer cluster systems | |
| WO2007021443A3 (en) | Online page restore from a database mirror | |
| CN106339278A (en) | Data backup and recovery method for network file system | |
| CN104503965A (en) | High-elasticity high availability and load balancing realization method of PostgreSQL (Structured Query Language) | |
| JPH08254047A (en) | Equipment and method of controlling trouble permission key | |
| US8527454B2 (en) | Data replication using a shared resource |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |