CN109597716A - A kind of asynchronous remote copying method and system - Google Patents

A kind of asynchronous remote copying method and system Download PDF

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Publication number
CN109597716A
CN109597716A CN201811474640.0A CN201811474640A CN109597716A CN 109597716 A CN109597716 A CN 109597716A CN 201811474640 A CN201811474640 A CN 201811474640A CN 109597716 A CN109597716 A CN 109597716A
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China
Prior art keywords
backup
data
calamity
server
default
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CN201811474640.0A
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Chinese (zh)
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李晓伟
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Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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Priority to CN201811474640.0A priority Critical patent/CN109597716A/en
Publication of CN109597716A publication Critical patent/CN109597716A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/07Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14Error detection or correction of the data by redundancy in operation
    • G06F11/1402Saving, restoring, recovering or retrying
    • G06F11/1446Point-in-time backing up or restoration of persistent data
    • G06F11/1458Management of the backup or restore process
    • G06F11/1464Management of the backup or restore process for networked environments

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

This application discloses a kind of asynchronous remote copying methods, are applied to the standby end of calamity, comprising: send data backup requests to server-side when default backup trigger condition meets, data backup requests are directed to the data file for meeting default backup condition in server-side;Receive and store the Backup Data of server-side transmission.It can be seen that, the application is provided with default backup condition to limit the content data file for carrying out asynchronous remote copy, it can effectively realize that user carries out the customization disaster recovery requirement of asynchronous remote copy to specified data file, user experience is improved, while also effectively increasing the process performance and backup efficiency of system.Disclosed herein as well is a kind of asynchronous remote copy systems, equally have above-mentioned beneficial effect.

Description

A kind of asynchronous remote copying method and system
Technical field
This application involves technical field of distributed memory, in particular to a kind of asynchronous remote copying method and system.
Background technique
The security reliability of data for storage system be to close, it is important.Remote copy technology is that one kind uses instantly A kind of extensive data redundancy protection technique can produce source in data and break down by copying data at Disaster Preparation Center The Backup Data of Shi Liyong Disaster Preparation Center carries out data recovery.Wherein, asynchronous remote copy is a kind of reality of remote copy technology The data of the manufacturing side are intermittently copied to the standby end of calamity by existing mode.However, asynchronous remote copy in the prior art is general There is no realizing for the backup of specific being customized of data file, it is unable to satisfy the customization demand of user.As it can be seen that providing A kind of solution to the problems described above has been that those skilled in the art need concern.
Summary of the invention
The application's is designed to provide a kind of asynchronous remote copying method and system, so as to according to the customization need of user The realistic existing asynchronous remote copy to particular data file, improves user experience.
In order to solve the above technical problems, being applied to the standby end of calamity, packet this application provides a kind of asynchronous remote copying method It includes:
Data backup requests are sent to server-side when default backup trigger condition meets, the data backup requests are directed to Meet the data file of default backup condition in the server-side;
Receive and store the Backup Data that the server-side is sent.
Optionally, the default backup trigger condition includes:
Interval time reaches default backup cycle duration and/or the standby end of the calamity and the data difference amount of the server-side reaches To preset threshold.
Optionally, the default backup condition includes following any one or any combination:
File size within default magnitude range, file creation time within preset time range, file type exists Within the scope of preset kind, file directory is within the scope of predetermined directory.
Optionally, the Backup Data is the data file stored in the server-side and stores in the standby end of the calamity The data file variance data.
Optionally, the standby end of the calamity and the server-side are AS13000 distributed memory system, and the asynchronous remote is multiple Method processed is realized based on the rsync order after encapsulation.
Present invention also provides another asynchronous remote copying methods, are applied to server-side, comprising:
Receive the data backup requests that the standby end of calamity is sent when default backup trigger condition meets, the data backup requests It is directed to the data file for meeting default backup condition in the server-side;
The Backup Data of the data file is sent to the standby end of the calamity to store.
Optionally, key is carried in the data backup requests;At the standby end of the reception calamity in default backup triggering item After the data backup requests sent when part meets, further includes:
Verify whether the key carried in the data backup requests matches with preset-key;
If so, continuing to execute the Backup Data by the data file is sent to what the standby end of the calamity stored Step;
If it is not, then generating the prompt information that reports an error.
Optionally, the data backup requests sent when default backup trigger condition meets at the standby end of reception calamity it Afterwards, further includes:
Judge whether the IP address at the standby end of the calamity allows to access within IP address range default;
If so, continuing to execute the Backup Data by the data file is sent to what the standby end of the calamity stored Step;
If it is not, then generating the prompt information that reports an error.
Optionally, the data backup requests sent when default backup trigger condition meets at the standby end of reception calamity it Afterwards, further includes:
Judge the targeted data file of the data backup requests whether be stored in it is default allow to access Directory Scope it It is interior;
If so, continuing to execute the Backup Data by the data file is sent to what the standby end of the calamity stored Step;
If it is not, then generating the prompt information that reports an error.
Present invention also provides a kind of asynchronous remote copy systems, comprising:
The standby end of calamity, for sending data backup requests, the data to server-side when default backup trigger condition meets Backup request is directed to the data file for meeting default backup condition in the server-side;The server-side is received and stored to send Backup Data;
Server-side, the data backup requests sent for receiving the standby end of the calamity;And by the standby of the data file Part data are sent to the standby end of the calamity and are stored.
Asynchronous remote copying method provided herein is applied to the standby end of calamity, comprising: full in default backup trigger condition Data backup requests are sent to server-side when sufficient, the data backup requests, which are directed in the server-side, meets default backup item The data file of part;Receive and store the Backup Data that the server-side is sent.As it can be seen that the application is provided with default backup condition To limit the content data file for carrying out asynchronous remote copy, it can effectively realize that user carries out asynchronous remote to specified data file The customization disaster recovery requirement of duplication, improves user experience, while also effectively increasing the process performance and backup efficiency of system. Above-mentioned asynchronous remote copying method may be implemented in asynchronous remote copy system provided herein, equally has above-mentioned beneficial to effect Fruit.
Detailed description of the invention
In order to illustrate more clearly of the technical solution in the prior art and the embodiment of the present application, below will to the prior art and Attached drawing to be used is needed to make brief introduction in the embodiment of the present application description.Certainly, in relation to the attached drawing of the embodiment of the present application below A part of the embodiment in only the application of description is not paying creativeness to those skilled in the art Under the premise of labour, other attached drawings can also be obtained according to the attached drawing of offer, other accompanying drawings obtained also belong to the application Protection scope.
Fig. 1 is a kind of flow chart of asynchronous remote copying method provided herein;
Fig. 2 is the flow chart of another asynchronous remote copying method provided herein;
Fig. 3 is the flow chart of another asynchronous remote copying method provided herein;
Fig. 4 is a kind of structural block diagram of asynchronous remote copy system provided herein.
Specific embodiment
The core of the application is to provide a kind of asynchronous remote copying method and system, so as to according to the customization need of user The realistic existing asynchronous remote copy to particular data file, improves user experience.
In order to which technical solutions in the embodiments of the present application is more clearly and completely described, below in conjunction with this Shen Please attached drawing in embodiment, technical solutions in the embodiments of the present application is introduced.Obviously, described embodiment is only Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art Every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Present embodiment discloses a kind of asynchronous remote copying methods, shown referring to Fig.1, and this method is applied to the standby end of calamity, main Want the following steps are included:
S11: sending data backup requests to server-side when default backup trigger condition meets, and data backup requests are directed to Meet the data file of default backup condition in server-side.
S12: the Backup Data of server-side transmission is received and stored.
Specifically, asynchronous remote copying method provided by the present embodiment is applied to the standby end of calamity, or referred to as disaster tolerance end.When After opening asynchronous remote copy function, the standby end of calamity intermittently can send data backup to server-side (i.e. the data manufacturing side) Request, to store server-side to the standby end of calamity to the backup copy of specified data file within the last intermittent time.
Wherein, the intermittence that the standby end of calamity sends data backup requests depends on preset default backup trigger condition. When default backup trigger condition meets, the standby end of calamity can just send data backup requests.Item is triggered as described default backup Part, those skilled in the art voluntarily can select and be arranged, such as be specifically as follows time cycle trigger condition etc., the application couple This is not defined.
It should be noted that the transmitted data in the standby end of calamity are standby in asynchronous remote copying method provided by the present embodiment Part request is particularly directed in the data file for meeting default backup condition.Due in practical applications, in order to improve system Operating characteristics and backup efficiency, user generally requires just for some specific data progress asynchronous remote copies, and other Therefore some data in the present embodiment, can then pass through without backup storage or using other copy backup modes Preset default backup condition carries out the data file of asynchronous remote copy to limit, so that the customization for meeting user is standby Part demand.
Asynchronous remote copying method provided by the present application is using the standby end of calamity when default backup trigger condition meets to service End sends data backup requests, and data backup requests are directed to the data file for meeting default backup condition in server-side;So as to Receive and store the Backup Data of server-side transmission.As it can be seen that the application be provided with default backup condition with limit carry out it is asynchronous remote The content data file of journey duplication, the customization calamity that can effectively realize that user carries out asynchronous remote copy to specified data file are standby Demand improves user experience, while also effectively increasing the process performance and backup efficiency of system.
Asynchronous remote copying method provided herein, on the basis of the above, as a kind of preferred embodiment, Presetting backup trigger condition includes:
Interval time reaches default backup cycle duration and/or the standby end of calamity and the data difference amount of server-side reaches default threshold Value.
Specifically, as previously mentioned, time cycle trigger condition can be used, i.e., reach default backup cycle when interval time Data backup requests are just sent by the standby end of calamity after duration, timing carries out asynchronous remote copy.For example, can be specifically configured to daily 0 point of morning is into line asynchronous remote copy.In addition, can be backup triggering item with the data difference amount at the standby end of calamity and server-side Part just carries out asynchronous remote copy when data difference amount reaches preset threshold (such as 500MB) at once.
On the basis of the above, asynchronous remote copying method provided herein, as a kind of preferred embodiment, Default backup condition includes following any one or any combination:
File size within default magnitude range, file creation time within preset time range, file type exists Within the scope of preset kind, file directory is within the scope of predetermined directory.
It specifically, in the present embodiment, can root as a kind of replication strategy being defined to data file to be backed up Corresponding default backup condition is set according to user demand.Described default backup condition can be created specifically from file size, file Building time, file type, file directory etc. is limited.Also, it can be in combination with many aspects to data to be backed up File is defined, and the application is not limited thereto.
Asynchronous remote copying method provided herein, on the basis of the above, as a kind of preferred embodiment, Backup Data is the variance data of the data file stored in server-side and the data file stored in the standby end of calamity.
In the present embodiment, when carrying out asynchronous remote copy, server-side has when sending Backup Data to the standby end of calamity every time Body can be incremental backup, i.e., only by the difference number of the data file stored in the data file stored in server-side and the standby end of calamity It is stored according to the standby end of calamity is sent to as Backup Data.If calamity has lacked partial data in standby end, then calamity compared with server-side Standby end can write direct the Backup Data received;If data file has partial data with data file in server-side in the standby end of calamity Difference, then the standby end of calamity will cover the different data in this part according to the Backup Data received.
It should also be noted that, when first time carrying out asynchronous remote copy, due to not stored in the standby end of calamity at this time There are any data, therefore, first time asynchronous remote copy is actually a kind of full backup, asynchronous remote copy after this It is then incremental backup.
On the basis of the above, it is preferable that standby hold with server-side of calamity is AS13000 distributed memory system, is answered It is realized for the standby end of calamity and the asynchronous remote copying method of server-side based on the rsync order after encapsulation.
Specifically, in practical applications, the storage product of different series uses different communication interface and system, Wu Fatong With.The asynchronous remote copying method provided in the present embodiment is particularly directed in AS13000 distributed memory system, this field Technical staff can specifically call relevant rsync order, be packaged into installation procedure deployment in server-side and the standby end of calamity, with Realize any asynchronous remote copying method as described above.
The asynchronous remote copying method applied to server-side provided herein is introduced below.It, should referring to Fig. 2 Method is applied to server-side, mainly comprises the steps that
S21: the data backup requests that the standby end of calamity is sent when default backup trigger condition meets, data backup requests are received It is directed to the data file for meeting default backup condition in server-side.
S22: the Backup Data of data file is sent to the standby end of calamity and is stored.
The application receives the data backup requests that the standby end of calamity is sent when default backup trigger condition meets using server-side, Data backup requests are directed to the data file for meeting default backup condition in server-side;And the Backup Data of data file is sent out It send to the standby end of calamity and is stored.As it can be seen that the application is provided with default backup condition to limit the data for carrying out asynchronous remote copy File content can effectively realize that user carries out the customization disaster recovery requirement of asynchronous remote copy to specified data file, improve User experience, while also effectively increasing the process performance and backup efficiency of system.
On the basis of the above, in the asynchronous remote copying method applied to server-side provided herein, make For a kind of preferred embodiment, key is carried in data backup requests;Meet receiving the standby end of calamity in default backup trigger condition When the data backup requests that send after, further includes:
Whether the key carried in verify data backup request matches with preset-key;
The Backup Data of data file is sent to the step of standby end of calamity is stored if so, continuing to execute;
If it is not, then generating the prompt information that reports an error.
Specifically, for the purpose for ensureing data safety, server-side can carry out request using key authentication mechanism different It is verified at the standby end of calamity for walking remote copy.If the standby end of the calamity for sending data backup requests provides correct key, server-side Just continue subsequent step, otherwise just generates the prompt information that reports an error, warn to user.
On the basis of the above, in the asynchronous remote copying method applied to server-side provided herein, make For a kind of preferred embodiment, after receiving the data backup requests that the standby end of calamity is sent when default backup trigger condition meets, Further include:
Judge whether the IP address at the standby end of calamity allows to access within IP address range default;
The Backup Data of data file is sent to the step of standby end of calamity is stored if so, continuing to execute;
If it is not, then generating the prompt information that reports an error.
Specifically, in order to ensure the reliability of data backup operation, it is multiple that server-side can also carry out asynchronous remote to request The standby end of the calamity of system carries out IP address verifying.Those skilled in the art can set in server-side with allowing to receive which IP in advance The standby end of the calamity of location accesses, they, which are included in, to preset allows to access IP address range, and the only standby end of these legal calamities is to ask When asking progress data backup, server-side just continues subsequent step, otherwise just generates the prompt information that reports an error, warns to user.
On the basis of the above, in the asynchronous remote copying method applied to server-side provided herein, make For a kind of preferred embodiment, after receiving the data backup requests that the standby end of calamity is sent when default backup trigger condition meets, Further include:
Judge whether the targeted data file of data backup requests is stored in default allow within access Directory Scope;
The Backup Data of data file is sent to the step of standby end of calamity is stored if so, continuing to execute;
If it is not, then generating the prompt information that reports an error.
Specifically, for server-side higher for some security levels, it might have the access limit of some data files System only allows to give calamity standby end partial document data copy backup, and other data files are not accepted the interview.Art technology Personnel can set the storage catalogue for allowing to carry out the data file of copy backup in server-side in advance, i.e., described is default fair Perhaps Directory Scope is accessed.It holds the data file of request backup when this is default to allow to access in Directory Scope when calamity is standby as a result, takes Business end can continue subsequent step, otherwise can generate the prompt information that reports an error, warn to user.
Above content can be the process of another asynchronous remote copying method provided herein referring in particular to Fig. 3, Fig. 3 Figure, mainly comprises the steps that
S31: the data backup requests that the standby end of calamity is sent when default backup trigger condition meets, data backup requests are received It is directed to the data file for meeting default backup condition in server-side.
S32: whether the key carried in verify data backup request matches with preset-key;If so, into S33;If It is no, then enter S36.
S33: judge whether the IP address at the standby end of calamity allows to access within IP address range default;If so, into S34;If it is not, then entering S36.
S34: judge the targeted data file of data backup requests whether be stored in it is default allow to access Directory Scope it It is interior;If so, into S35;If it is not, then entering S36.
S35: the Backup Data of data file is sent to the standby end of calamity and is stored.
S36: the prompt information that reports an error is generated.
Asynchronous remote copy system provided herein is introduced below.Referring to Fig. 4, Fig. 4 is the application institute A kind of structural block diagram of the asynchronous remote copy system provided, comprising:
The standby end 1 of calamity, for sending data backup requests, data backup to server-side when default backup trigger condition meets Request is directed to the data file for meeting default backup condition in server-side;Receive and store the Backup Data of server-side transmission;
Server-side 2, the data backup requests sent for receiving the standby end of calamity;And the Backup Data of data file is sent to The standby end of calamity is stored.
As it can be seen that the application be provided with default backup condition with limit carry out asynchronous remote copy content data file, can Effectively realize that user carries out the customization disaster recovery requirement of asynchronous remote copy to specified data file, improves user experience, together When also effectively increase system process performance and backup efficiency.
The specific embodiment of asynchronous remote copy system provided herein and asynchronous remote as described above are multiple Method processed can correspond to each other reference, just repeat no more here.
Each embodiment is described in a progressive manner in the application, the highlights of each of the examples are with other realities The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For system disclosed in embodiment Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration ?.
It should be noted that in present specification, the relational terms of such as " first " and " second " etc are used merely to One entity or operation and another entity or operate is distinguished, without necessarily requiring or implying these entities or There are any actual relationship or orders between person's operation.In addition, the terms "include", "comprise" or its any other Variant is intended to non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only It including those elements, but also including other elements that are not explicitly listed, or further include for this process, method, object Product or the intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", It is not precluded in the process, method, article or apparatus that includes the element that there is also other identical elements.
Technical solution provided herein is described in detail above.Specific case used herein is to this Shen Principle and embodiment please is expounded, the present processes that the above embodiments are only used to help understand and its Core concept.It should be pointed out that for those skilled in the art, in the premise for not departing from the application principle Under, can also to the application, some improvement and modification can also be carried out, these improvement and modification are also fallen into the protection scope of the application.

Claims (10)

1. a kind of asynchronous remote copying method, which is characterized in that be applied to the standby end of calamity, comprising:
Data backup requests are sent to server-side when default backup trigger condition meets, the data backup requests are directed to institute State the data file for meeting default backup condition in server-side;
Receive and store the Backup Data that the server-side is sent.
2. asynchronous remote copying method according to claim 1, which is characterized in that the default backup trigger condition packet It includes:
Interval time reaches default backup cycle duration and/or the standby end of the calamity and the data difference amount of the server-side reaches pre- If threshold value.
3. asynchronous remote copying method according to claim 1, which is characterized in that the default backup condition includes following Any one or any combination:
File size within default magnitude range, file creation time within preset time range, file type is default Within Type Range, file directory is within the scope of predetermined directory.
4. asynchronous remote copying method according to any one of claims 1 to 3, which is characterized in that the Backup Data is The variance data of the data file stored in the standby end of the data file and the calamity stored in the server-side.
5. asynchronous remote copying method according to claim 4, which is characterized in that the standby end of the calamity is equal with the server-side For AS13000 distributed memory system, the asynchronous remote copying method is realized based on the rsync order after encapsulation.
6. a kind of asynchronous remote copying method, which is characterized in that be applied to server-side, comprising:
The data backup requests that the standby end of calamity is sent when default backup trigger condition meets are received, the data backup requests are directed to Meet the data file of default backup condition in the server-side;
The Backup Data of the data file is sent to the standby end of the calamity to store.
7. asynchronous remote copying method according to claim 6, which is characterized in that carried in the data backup requests Key;After the data backup requests that the standby end of reception calamity is sent when default backup trigger condition meets, further includes:
Verify whether the key carried in the data backup requests matches with preset-key;
If so, continuing to execute the Backup Data by the data file is sent to the step that the standby end of the calamity stores Suddenly;
If it is not, then generating the prompt information that reports an error.
8. asynchronous remote copying method according to claim 7, which is characterized in that at the standby end of the reception calamity in pre- equipment After the data backup requests that part trigger condition is sent when meeting, further includes:
Judge whether the IP address at the standby end of the calamity allows to access within IP address range default;
If so, continuing to execute the Backup Data by the data file is sent to the step that the standby end of the calamity stores Suddenly;
If it is not, then generating the prompt information that reports an error.
9. asynchronous remote copying method according to claim 8, which is characterized in that at the standby end of the reception calamity in pre- equipment After the data backup requests that part trigger condition is sent when meeting, further includes:
Judge whether the targeted data file of the data backup requests is stored in default allow within access Directory Scope;
If so, continuing to execute the Backup Data by the data file is sent to the step that the standby end of the calamity stores Suddenly;
If it is not, then generating the prompt information that reports an error.
10. a kind of asynchronous remote copy system characterized by comprising
The standby end of calamity, for sending data backup requests, the data backup to server-side when default backup trigger condition meets Request is directed to the data file for meeting default backup condition in the server-side;Receive and store the standby of the server-side transmission Part data;
Server-side, the data backup requests sent for receiving the standby end of the calamity;And by the backup number of the data file It is stored according to the standby end of the calamity is sent to.
CN201811474640.0A 2018-12-04 2018-12-04 A kind of asynchronous remote copying method and system Withdrawn CN109597716A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111429986A (en) * 2020-03-19 2020-07-17 马园 Big data-based patient post-discharge case comprehensive feedback query system and method
CN112463439A (en) * 2020-11-10 2021-03-09 中国建设银行股份有限公司 Disaster recovery backup system version synchronization method and device, electronic equipment and storage medium
CN113722152A (en) * 2021-08-05 2021-11-30 四川大学 Data incremental backup method, device, equipment and storage medium
CN114168381A (en) * 2021-11-26 2022-03-11 云赛智联股份有限公司 Disaster recovery data management system and method for government affair disaster recovery center
CN115277680A (en) * 2022-07-29 2022-11-01 山石网科通信技术股份有限公司 File synchronization method for improving synchronization security

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111429986A (en) * 2020-03-19 2020-07-17 马园 Big data-based patient post-discharge case comprehensive feedback query system and method
CN112463439A (en) * 2020-11-10 2021-03-09 中国建设银行股份有限公司 Disaster recovery backup system version synchronization method and device, electronic equipment and storage medium
CN113722152A (en) * 2021-08-05 2021-11-30 四川大学 Data incremental backup method, device, equipment and storage medium
CN114168381A (en) * 2021-11-26 2022-03-11 云赛智联股份有限公司 Disaster recovery data management system and method for government affair disaster recovery center
CN114168381B (en) * 2021-11-26 2024-08-23 云赛智联股份有限公司 Disaster backup data management system and method for government disaster backup center
CN115277680A (en) * 2022-07-29 2022-11-01 山石网科通信技术股份有限公司 File synchronization method for improving synchronization security
CN115277680B (en) * 2022-07-29 2024-04-19 山石网科通信技术股份有限公司 File synchronization method for improving synchronization security

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