CN102508741A - Method and device for integrated data protection across magnetic disk tapes - Google Patents

Method and device for integrated data protection across magnetic disk tapes Download PDF

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CN102508741A
CN102508741A CN2011103381020A CN201110338102A CN102508741A CN 102508741 A CN102508741 A CN 102508741A CN 2011103381020 A CN2011103381020 A CN 2011103381020A CN 201110338102 A CN201110338102 A CN 201110338102A CN 102508741 A CN102508741 A CN 102508741A
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data
tape
disk
unit
integrated data
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CN102508741B (en
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车广田
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BEIJING LIANCHUANG XINAN TECHNOLOGY CO LTD
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BEIJING LIANCHUANG XINAN TECHNOLOGY CO LTD
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Abstract

The invention discloses a method for protecting integrated data of a cross-disk magnetic tape, which comprises the following steps: A1. connecting a magnetic disk device and a magnetic tape device; A2. judging whether the captured CDP data needs to be backed up in real time or in fixed time; A3. backing up the CDP data on the disk equipment in real time; A4. configuring the tape device as an off-line device, packaging the CDP data at regular time, compressing, encrypting and copying the CDP data to the off-line device; A5. judging whether the disk data needs to be copied to the tape device; A6. and copying the disk data to the tape device. The invention also discloses a device and a system for integrated data protection across the magnetic disk tape. The invention can realize the fusion of real-time backup and timing backup, and can realize the flexible dump of data among various media, improve the protection efficiency and reduce the protection cost.

Description

A kind of integrated data protective device method and apparatus of striding the disk tape
Technical field
The present invention relates to the network data processing field, more particularly, relate to a kind of integrated data protective device method and apparatus of striding the disk tape.
Background technology
Infosystem has become the strong support of all trades and professions, even becomes the basis that numerous enterprises or institution business are normally carried out, and the data of all kinds of electronizations are the achievement and the core of infosystem, and is most important to effective protection of critical data.Data protection should be able to realize targets such as meticulous protection, strategy protection, fast quick-recovery, many Version Control, off-line long preservation.
At present, the data protection solution of main flow has two types in the industry:
1. backup software+tape pool or VTL are realized the timed backup and the offline storage of data, and the Backup Data reliability is high, and the Version Control ability is strong, and off-line data is easy to realize, but real-time is poor, a little less than the recovery capability;
2.CDP the Disk Backup system realizes backing up in realtime and fast quick-recovery of data, but can't the management and use tape pool, realizes the data long preservation, demands such as medium off-line.
Data are assets of enterprise, are IT application in enterprises and professional important foundation of carrying out to the physics of data and virtual protection.Typical data protection can be divided into real-time guard and regularly protection by the protection strategy, can be divided into disk protect and tape protection (containing virtual tape) by protection equipment.Regrettably, above-mentioned technology or method are often established one's own system, and isolate each other; Can't adopt same set of technology and coding criterion to carry out unified integration; In order to realize complete preservation, the user often need dispose many sets of data protection scheme, the many covers of buying soft hardware equipment; Not only protect inefficiency, also cause investment and managerial significant wastage.
Summary of the invention
The technical matters that the present invention will solve is, the integration data protection framework of a kind of Multifunction, many hardware compatibilities is provided.
The invention discloses a kind of integrated data guard method of striding the disk tape, comprising:
A1. connect disk unit and tape unit;
A2. judge that the CDP data grab need be backed up in realtime and still need carry out timed backup, back up in realtime if desired, then get into A3, carry out timed backup if desired, then get into A4;
A3. the described CDP data of on described disk unit, backing up in realtime;
A4. described tape unit is configured to off-line device, the data of described CDP are regularly packed, compression and encryption copy to described off-line device;
A5. judge whether and need described data in magnetic disk be copied in the described tape unit, if get into steps A 6, if not, return A2;
A6. described data in magnetic disk is copied in the described tape unit.
In integrated data guard method of striding the disk tape of the present invention, said tape unit is tape library or VTL.
In integrated data guard method of striding the disk tape of the present invention, said steps A 4 comprises: the logical versions data that described CDP data produce are regularly packed, and compression and encrypting copies in the off-line device.
The invention discloses a kind of integrated data protective device of striding the disk tape, comprise SAN module, virtualization modules, CDP protection module, it is characterized in that, also comprise the integrated data protection module, described integrated data protection specifically comprises:
The connection device unit is used to connect disk unit and tape unit;
Judge to link to each other backup units, be used to judge that the CDP data that grab need be backed up in realtime still need carry out timed backup with described connection device unit;
The unit of backing up in realtime links to each other with described judgement backup units, is used for the described CDP data of on described disk unit, backing up in realtime;
The timed backup unit: link to each other with described judgement backup units, be used for described tape unit is configured to off-line device, the data of described CDP are regularly packed, compression and encryption copy to described off-line device;
The dump judging unit links to each other with the described unit of backing up in realtime, and is used for judging whether and need described data in magnetic disk be copied to described tape unit;
The dump backup units links to each other with described dump judging unit, is used for described data in magnetic disk is copied to described tape unit.
In integrated data protective device of striding the disk tape of the present invention, said tape unit is tape library or VTL.
In integrated data protective device of striding the disk tape of the present invention, described dump backup units connects the protection of goal volume of CDP.
The invention discloses a kind of integrated data protection system of striding the disk tape; Comprise client, integrated data protective device, disk unit, tape unit, data source book and datum target volume; Described client, integrated data protective device and tape unit are connected to consolidated network; Described disk unit links to each other through data link with described integrated data protective device; Data source is provided at client, and datum target is provided at described integrated data protective device, and described integrated data protective device is the described integrated data protective device of striding the disk tape of claim 4.
In integrated data protection system of striding the disk tape of the present invention, described network is an Ethernet.
In integrated data protection system of striding the disk tape of the present invention, described client, integrated data protective device, tape unit communicate through data link.
In integrated data protection system of striding the disk tape of the present invention, described data link is an optical fiber link.
A kind of integrated data protective device method, device and system of striding the disk tape of embodiment of the present invention has following beneficial technical effects:
Can realize backing up in realtime fusion with timed backup supports disk and tape unit simultaneously, and can realize the flexible dump of data between multiple medium, thereby reduced data protection framework improves protection efficient, reduces the protection cost.
Description of drawings
Fig. 1 is a kind of integrated data guard method process flow diagram of striding the disk tape of the embodiment of the invention;
Fig. 2 is a kind of integrated data protective device block diagram of striding the disk tape of the embodiment of the invention;
Fig. 3 is a kind of integrated data protection system structural drawing of striding the disk tape of the embodiment of the invention.
Embodiment
By specifying technology contents of the present invention, structural attitude, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
Today of global economic integration, infosystem more and more becomes the hinge and the mainstay of social production ability.The running of the operation flow of enterprise more and more highly depends on data, makes data become the important foundation stone that supports corporate operation.These data had both comprised disperses to be stored in the data in the employee work station, also comprises the data of centralized stores in disk array.When enterprise because informationization is when bringing efficiently service and decision-making with convenient management, also must be facing to dangerous of data loss, data centralization also can be assembled risk, this be people recognize a bit.Losing of data can be interrupted the normal service operation of enterprise, causes enormous economic loss.Except data, the protection of supporting the server OS of enterprise's running also becomes more and more important, in case system crash will cause business to seriously influence, has brought serious threat to enterprise.
CDP is continuous data protection (Continuous Data Protection); Be a kind of under the prerequisite that does not influence the general data operation; Can realize any change that lasting seizure or tracking target data are taken place; And can return to the method for random time point before this, the CDP system can provide the backup of piece level, file-level and application layer, and the unlimited any variable recovery point that recovers target.
Because characteristics and advantage that the CDP technology has in data protection and disaster recovery, more and more users can be thrown in sight on the new technology of this disaster recovery.Believe that As time goes on the continuous development and the maturation of technology have increasing continuous data protection solution and product and occur, on the demand that realizes continuous data protection, the user will have increasing selection.
The continuous data protection technology is an important breakthrough to the traditional data resist technology.Traditional data protection solution is absorbed on the periodic backups to data, therefore is attended by backup window, data consistency and to the problems such as influence of production system always.Now, CDP provides new data protection means for the user, the backup procedure that system operator need not focused data, but only after disaster takes place, and the selection data backup time point that need return to can be realized the fast quick-recovery of data simply.
See also Fig. 1, a kind of integrated data guard method of striding the disk tape comprises:
A1. connect disk unit and tape unit;
Said tape unit is tape library or VTL.
A2. judge that the CDP data grab need be backed up in realtime and still need carry out timed backup, back up in realtime if desired, then get into A3, carry out timed backup if desired, then get into A4;
Be actually the function that on original C DP technical foundation, has increased the storage medium management.
A3. the described CDP data of on described disk unit, backing up in realtime;
A4. described tape unit is configured to off-line device, the data of described CDP are regularly packed, compression and encryption copy to described off-line device;
The logical versions data that described CDP data produce are regularly packed, and compression and encryption copy in the off-line device.
A5. judge whether and need described data in magnetic disk be copied in the described tape unit, if get into steps A 6, if not, return A2;
A6. described data in magnetic disk is copied in the described tape unit.
Duplicate, snapshot, CDP, backup be the different technologies of data-oriented protection, is applicable to the difference protection scene of data, functional characteristics has nothing in common with each other; Cut both ways, for the user, perfect data protection framework should be the organic combination of above-mentioned multiple technologies; The so just cover of integrated data protection of striding the disk tape covers comprehensively, and the data protection framework of perfect in shape and function not only can keep the advantage of traditional C DP; Realization is backed up in realtime and fast quick-recovery based on disk unit; Can also merge the timed backup and the off-line management function of backup software, realize that the intelligence of data from the disk to the tape flows, the long-term off-line of data is preserved becomes possibility.
See also Fig. 2; A kind of integrated data protective device of striding the disk tape; Be used to realize above-mentioned method; Comprise SAN module 1, virtualization modules 2, CDP protection module 3, integrated data protection module 4, described integrated data protection module 4 specifically comprises: connection device unit 10, judgement backup units 20, the unit 30 of backing up in realtime, timed backup unit 40, dump judging unit 50, dump backup units 60.Wherein, connection device unit 10 is used to connect disk unit and tape unit; Judge to link to each other backup units 20, be used to judge that the CDP data that grab need be backed up in realtime still need carry out timed backup with connection device unit 10; The unit 30 of backing up in realtime and judges that backup units 20 links to each other, and is used for the described CDP data of on described disk unit, backing up in realtime; Timed backup unit 40: link to each other with judgement backup units 20, be used for described tape unit is configured to off-line device, the data of described CDP are regularly packed, compression and encryption copy to described off-line device; Dump judging unit 50 30 links to each other with the unit of backing up in realtime mutually, is used for judging whether and need described data in magnetic disk be copied to described tape unit; Dump backup units 60 links to each other with dump judging unit 50, is used for described data in magnetic disk is copied to described tape unit.
Wherein, said tape unit is tape library or VTL, and dump backup units 60 connects the protection of goal volume T of CDP.The SAN module realizes the storage area network function, the English full name of SAN: Storage Area Network, i.e. storage area network.It is a kind of high-speed dedicated subnet that memory devices such as disk array, tape and associated server is coupled together through connection devices such as fibre concentrator, optical fiber router, optical fiber switchs.SAN is made up of three basic assemblies: interface (like SCSI, optical-fibre channel, ESCON etc.), connection device (switching equipment, gateway, router, hub etc.) and communication control processor (like IP and SCSI etc.).These three assemblies are added additional memory device and SAN server independently, just constitute a SAN system.SAN provides the storage networking based on an optical channel special use, high reliability, and SAN allows to increase independently their memory capacity, also makes management and centralized control (particularly for whole memory devices all cluster together the time) simplify more.And optical fiber interface provides the connection length of 10km, and this makes physically separated remote storage become easier.
In fact; The integrated data guard method of striding the disk tape is transformed traditional CDP technology and is perfect; Increase medium management and tactful backup functionality; And the data storage engine of CDP bottom expanded, can present to tactful backup module with CDP protection of goal volume is transparent, and further backup.
See also Fig. 3; A kind of integrated data protection system of striding the disk tape; Comprise client 200, stride integrated data protective device 100, disk unit 500, tape unit 300, data source book S and the datum target volume T of disk tape; Client 200, the integrated data protective device 100 of striding the disk tape and tape unit 500 are connected to consolidated network 400; With shown in the thin arrow, disk unit 500 and integrated data protective device 100 link to each other through data link among the figure, and data source book S places client 200; Datum target volume T places the integrated data protective device 100 of striding the disk tape, and the integrated data protective device 100 of striding the disk tape in the native system has the structure described in Fig. 2.
Wherein, network 400 is an Ethernet;
Client 200, the integrated data protective device 100 of striding the disk tape, tape unit 300 communicate through data link.Described data link is an optical fiber link, shown in broad arrow among the figure.
The course of work of native system is: the integrated data protective device 100 of striding the disk tape grasps data from client 200 after; As required, send into disk unit 500 or tape unit 300 carries out data backup, to realize the storage of data; Disk unit 500 is looked actual needs; Data are wherein sent into tape unit 300 dumps through optical fiber link, and wherein, data flow comprises that also the data among the data source book S are saved to datum target rolls up T.
A kind of integrated data protective device method and apparatus and system of striding the disk tape of embodiment of the present invention has following beneficial technical effects:
Can realize backing up in realtime fusion with timed backup supports disk and tape unit simultaneously, and can realize the flexible dump of data between multiple medium, thereby reduced data protection framework improves protection efficient, reduces the protection cost.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to above-mentioned embodiment, and above-mentioned embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.

Claims (10)

1. an integrated data guard method of striding the disk tape is characterized in that, comprising:
A1. connect disk unit and tape unit;
A2. judge that the CDP data grab need be backed up in realtime and still need carry out timed backup, back up in realtime if desired, then get into A3, carry out timed backup if desired, then get into A4;
A3. the described CDP data of on described disk unit, backing up in realtime;
A4. described tape unit is configured to off-line device, the data of described CDP are regularly packed, compression and encryption copy to described off-line device;
A5. judge whether and need described data in magnetic disk be copied in the described tape unit, if get into steps A 6, if not, return A2;
A6. described data in magnetic disk is copied in the described tape unit.
2. integrated data guard method of striding the disk tape according to claim 1 is characterized in that said tape unit is tape library or VTL.
3. integrated data guard method of striding the disk tape according to claim 1 is characterized in that, said steps A 4 comprises: the logical versions data that described CDP data produce are regularly packed, and compression and encryption copy in the off-line device.
4. integrated data protective device of striding the disk tape; Be used to realize the described method of claim 1, comprise SAN module, virtualization modules, CDP protection module, it is characterized in that; Also comprise the integrated data protection module, described integrated data protection specifically comprises:
The connection device unit is used to connect disk unit and tape unit;
Judge to link to each other backup units, be used to judge that the CDP data that grab need be backed up in realtime still need carry out timed backup with described connection device unit;
The unit of backing up in realtime links to each other with described judgement backup units, is used for the described CDP data of on described disk unit, backing up in realtime;
The timed backup unit: link to each other with described judgement backup units, be used for described tape unit is configured to off-line device, the data of described CDP are regularly packed, compression and encryption copy to described off-line device;
The dump judging unit links to each other with the described unit of backing up in realtime, and is used for judging whether and need described data in magnetic disk be copied to described tape unit;
The dump backup units links to each other with described dump judging unit, is used for described data in magnetic disk is copied to described tape unit.
5. integrated data protective device of striding the disk tape according to claim 4 is characterized in that said tape unit is tape library or VTL.
6. integrated data protective device of striding the disk tape according to claim 4 is characterized in that, described dump backup units connects the protection of goal volume of CDP.
7. integrated data protection system of striding the disk tape; Comprise client, integrated data protective device, disk unit, tape unit, data source book and datum target volume; Described client, integrated data protective device and tape unit are connected to consolidated network; Described disk unit links to each other through data link with described integrated data protective device, and data source is provided at client, and datum target is provided at described integrated data protective device; It is characterized in that described integrated data protective device is the described integrated data protective device of striding the disk tape of claim 4.
8. integrated data protection system of striding the disk tape according to claim 7 is characterized in that described network is an Ethernet.
9. integrated data protection system of striding the disk tape according to claim 7 is characterized in that described client, integrated data protective device, tape unit communicate through data link.
10. according to claim 7 or 9 described integrated data protection systems of striding the disk tape, it is characterized in that described data link is an optical fiber link.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103488550A (en) * 2013-09-30 2014-01-01 华为技术有限公司 Processing method and device of data protection
CN107786363A (en) * 2016-08-30 2018-03-09 北京中科同向信息技术有限公司 A kind of administrative skill based on cloud monitoring platform

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CN101178676A (en) * 2006-11-07 2008-05-14 英业达股份有限公司 Data backup method capable of modifying data revert structure and revert method
CN101464820A (en) * 2009-01-16 2009-06-24 中国科学院计算技术研究所 Continuous data protection method and system for disk apparatus
CN102073560A (en) * 2011-01-17 2011-05-25 北京深思洛克软件技术股份有限公司 Data backup method and device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020078397A1 (en) * 2000-12-14 2002-06-20 Simon Qin Backup / recovery system and methods for protecting a computer system
CN101178676A (en) * 2006-11-07 2008-05-14 英业达股份有限公司 Data backup method capable of modifying data revert structure and revert method
CN101464820A (en) * 2009-01-16 2009-06-24 中国科学院计算技术研究所 Continuous data protection method and system for disk apparatus
CN102073560A (en) * 2011-01-17 2011-05-25 北京深思洛克软件技术股份有限公司 Data backup method and device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103488550A (en) * 2013-09-30 2014-01-01 华为技术有限公司 Processing method and device of data protection
CN107786363A (en) * 2016-08-30 2018-03-09 北京中科同向信息技术有限公司 A kind of administrative skill based on cloud monitoring platform

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