CN100391291C - Data backing-up and recovering method and system - Google Patents

Data backing-up and recovering method and system Download PDF

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Publication number
CN100391291C
CN100391291C CNB2005100898985A CN200510089898A CN100391291C CN 100391291 C CN100391291 C CN 100391291C CN B2005100898985 A CNB2005100898985 A CN B2005100898985A CN 200510089898 A CN200510089898 A CN 200510089898A CN 100391291 C CN100391291 C CN 100391291C
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Prior art keywords
data
backup data
backup
management server
sign
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CN1852534A (en
Inventor
柴晓前
李克鹏
董晓艺
申海
唐杰
高洪涛
舒琦
程建章
何江水
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

The present invention discloses a method for data backup and recovery. First of all, data of a device end comprises software programs and individualization data of the device end and is backed up on a device management server. When the data of the device end is lost or wrong, the backup data can be recovered to the device end. When the software programs of the device end are wrong, the backup software can be automatically downloaded and then is installed and configured so as to accomplish the recovery of the data and the software of the device end. According to the present invention, by saving the data of the device end in the device management server, the recovery capability of the data of the device end can be ensured. Particularly, the present invention provides the recovery capability of private data of the device end. Therefore, the present invention is convenient for users, and the users' experience is raised.

Description

A kind of data backup and restoration methods and system thereof
Technical field
The present invention relates to a kind of communication technology, relate in particular to data backup and restoration methods and system thereof in a kind of equipment control.
Background technology
Along with the development of mobile communication business, the status of portable terminal in whole mobile operation service system is more and more important, makes that the function of portable terminal is increasingly sophisticated, and the possibility that terminal software goes wrong significantly increases.As make the dangerous of data loss such as configuration data, certificate of certification of user terminal also significantly increase; Secondly, the mistake of terminal also may cause the wrong of management tree or lose.Operator, manufacturer terminal be in order to address the above problem, and with effective assurance user experience, improve user's loyalty, keep efficiently service quality and low-cost device to safeguard, provides various services by device management server for portable terminal usually.
For various services are provided to portable terminal, in the prior art, as having defined the unified standard standard of overall architecture, agreement and the problems such as communication mechanism, fail safe of equipment control in OMA DM (open mobile alliance device management) standard.Like this, DMS (device management server) needs by DM (equipment control) consultative management and watch-dog terminal, so that the state according to device end provides management, upgrading, diagnosis and repair function, make the DMA (equipment management terminal agency) of device end follow the DM agreement and accept the DMS management and service.
When device end breaks down, can be the device end upgrade software by DMS, patch is installed, upgrade firmware or be reconfigured parameter etc., though these operations can be arrived a certain state with the recovering state of device end, but can not protect some personalized data of device end, therefore, reduced user's experience; In addition, when above-mentioned prior art is upgraded the data of device end, need to search related software by hand, time-consuming and inconvenient.
Summary of the invention
The purpose of this invention is to provide a kind of data backup and restoration methods and system thereof, when device end breaks down, but the common data of restorer terminal not only, but and the individuation data of restorer terminal, and can make things convenient for program updates.
The invention provides a kind of data back up method, be applied in the equipment management system, described equipment management system comprises device end and device management server, and described device management server is used for device end is carried out maintenance management, and described method comprises:
A, device end and device management server are set up session, and definite Backup Data;
B, device end obtain the Backup Data sign according to the Backup Data of determining, then the Backup Data sign are issued device management server;
C, device management server obtain the Backup Data of device end according to the Backup Data sign;
The Backup Data that D, device management server storage obtain.
Further comprise in described steps A: device end is set up session and is determined Backup Data by User Interface; Perhaps device end is set up session and is determined Backup Data by note or door and device management server; Perhaps set up session automatically and determine Backup Data by predetermined condition, described predetermined condition comprises time conditions or event condition, and described time conditions comprises regularly and the interval scheduled time that described event condition comprises data modification and software upgrading.
Described step C further comprises:
C1, device end are placed on the Backup Data of selecting on the device management tree;
C2, device management server obtain the Backup Data that is placed on the management tree.
Described step C also comprises:
C3, device end are packed the Backup Data of selecting, and are issued device management server.
Described step B also comprises: when backed up data is routine data, and sign, the version number of a stand-by program data.
Described step D further comprises: device management server is with the Backup Data of the form storage acquisition of tree.
Described data back up method also is provided with the backup sign, and when being used for setting up session between device end and device management server, device end announcement apparatus management server carries out backup operation.
The invention also discloses a kind of data reconstruction method, be applied in the equipment management system, described equipment management system comprises device end and device management server, and described device management server is used for device end is carried out maintenance management, and described method comprises:
Set up session between A, device end and the device management server, and definite Backup Data sign;
B, device end are issued device management server with the Backup Data sign of determining;
C, device management server obtain the Backup Data of device end according to the Backup Data sign;
D, device management server are according to the data of Backup Data restorer terminal.
Further comprise in the definite Backup Data sign described in the described steps A: device end is determined the Backup Data sign by the User Interface mode, perhaps determines that by mutual between device management server and the device end Backup Data identifies.
Described data reconstruction method also is provided with and recovers sign, and when being used for setting up session between device end and device management server, device end announcement apparatus management server carries out recovery operation.
The invention also discloses a kind of data recovery/standby system, comprise device end and device management server, described device end comprises: select module, be used to select Backup Data, determine the Backup Data sign according to Backup Data; Communication module is used for the Backup Data sign of determining is issued device management server, receives the Backup Data of selecting; Described device management server comprises: memory is used for store backup data; Communication module is used for the slave unit terminal and obtains the Backup Data sign, obtains Backup Data according to described Backup Data sign from terminal, perhaps obtains Backup Data from this locality according to the Backup Data sign, and Backup Data is issued device end; Processing module is used for the backup/restoration request of identification equipment terminal, and request is operated Backup Data according to backup/restoration; And communication network, being used for communicating between device end and the device management server, described communication network comprises wireless network or cable network.
The invention also discloses a kind of device end that is used for data recovery/backup, described device end comprises: select module, be used to select Backup Data, determine the Backup Data sign according to Backup Data; Communication module is used for the Backup Data sign of determining is issued device management server, the Backup Data that the receiving equipment management server recovers.
The invention also discloses a kind of device management server that is used for data recovery/backup, described device management server comprises: memory is used for the Backup Data of memory device terminal; Communication module, be used for the slave unit terminal and obtain the Backup Data sign, obtain Backup Data according to described Backup Data sign from terminal, and store described Backup Data, perhaps obtain the Backup Data of device end from this locality, and Backup Data is issued device end according to the Backup Data sign; Processing module is used for the backup/restoration request of identification equipment terminal, and request is operated Backup Data according to backup/restoration.
According to the present invention, by terminal data being stored on the DM server, can guarantee the restorability of terminal data, the recovery capability of data especially can be provided for the private data of device end, thereby make things convenient for the user, improved user experience.
Description of drawings
Fig. 1 is a data backup flow chart of the present invention;
Fig. 2 is the schematic diagram of device management tree;
Fig. 3 shows the storage schematic diagram of Backup Data;
Fig. 4 shows system schematic of the present invention.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing in conjunction with the accompanying drawings for the ease of persons skilled in the art.
Basic thought of the present invention is: at first the data with device end backup on the device management server.Described data comprise the individuation data of software program and device end, when device end loss of data or mistake, backed up data can be returned to device end.When the terminal software program error, can download the software of backup automatically, install then and configuration software, with data and the software rejuvenation of finishing device end.Described device end comprises mobile devices such as mobile phone terminal, palmtop PC, notebook computer, embedded device, onboard system.
Data back up method of the present invention is described below.
As shown in Figure 1, in step 1, at first between device end and device management server, set up session, and definite Backup Data.Set up session and determine that Backup Data has three kinds of methods, the one, by UI (User Interface), the 2nd, by setting automatic trigger condition in terminal, the 3rd, by alternate manner, this three kinds of methods are described respectively below.
The process of device end by UI initiation session and definite Backup Data is described below.Terminal equipment is initiated the operating sessions request by DM Agent to the DM server, the backup operation that subsidiary Generic Alert (service request) comes the notification server terminal to be asked in conversation request.If determined the Backup Data that will back up when initiating request, then subsidiary Backup Data identifies (as URI unified resource sign) in Generic Alert, otherwise, be that Generic Alert does not does not prepare and carry the piece of data sign, then determine to prepare the Backup Data of backup by mutual between device management server and the device end, the method of determining Backup Data can be: the user determines by the terminal interaction interface, perhaps server at first obtains the data message that terminal can be used as target data, by issuing interactive command these data messages are presented to the user and allowed the user select then, the information that the user provides according to interactive interface is determined the target data of needs backup.
When device end needs the operation of notification server terminal request, can order by subsidiary Generic Alert in the conversation request packet to reach this purpose.The backup sign that Generic Alert order needs the subsidiary good both sides of predefined all to understand, i.e. Alert Type.Alert Type as the data storage can be defined as " org.openmobilealliance.dm.backup.userrequest ".
Terminal is described below sets the process of the automatic initiation session Backup Data of automatic trigger condition.At first set trigger condition in terminal, trigger condition comprises time conditions (as timing, certain time period of interval etc.), event condition (as data modification, software upgrading etc.).Monitoring program is monitoring trigger condition when satisfying, and can need determine the target data of backup at first automatically, when adopting time conditions, all data can be backed up, or the backup partial data; When adopting event condition, revise condition as data, can only back up the data of modification.Initiate a session request by DM Agent then.Subsidiary Generic Alert comes notification server terminal institute requested operation in the conversation request bag, subsidiary simultaneously Backup Data sign (as URI unified resource sign).
Describe below by alternate manner (as Portal (door), short message etc.) initiation session and definite Backup Data process.By alternate manner (as Portal, short message etc.) notice DM server the device end Backup Data is backed up, device management server sends Notification (notice) to set up session to device end.If the user does not inform the Backup Data that the DM server need back up to the DM server requests time, then DM server and device end are by the mutual Backup Data of determining the preparation backup, the method of determining can be that server at first obtains the data message that terminal can be used as target data, by issuing interactive command these data messages are presented to the user and allowed the user select then, the information that the user provides according to interactive interface is determined the target data of needs backup.
In step 2, when device end and device management server are set up session, and behind definite Backup Data, device management server can obtain the Backup Data of device end according to the Backup Data that device end is selected, according to the present invention, can there be three kinds of methods to obtain Backup Data, the method that server obtains Backup Data is described below.
First method after determining Backup Data, can identify Backup Data (as the URI of Backup Data) and be sent to device management server.Determine that Backup Data can be in two kinds of situation: the one, device end determines, the 2nd, definite by device end and device management server.
When being first kind of situation, the Backup Data that device end is determined, device end can by GenericAlert<LocURI Backup Data sign (as URI) is sent to device management server, for example, can by as issue orders the Backup Data sign issued device management server.
<Alert>
<CmdID>2</CmdID>
<Data>1226</Data><--Generic?Alert-->
<Item>
<Source><LocURI>./Root</LocURI></Source>
<Meta>
<Type>org.openmobilealliance.dm.backup.userrequest</Type>
<Format>chr</Format>
</Meta>
<Data/>
</Item>
</Alert>
When being second situation, by device end and the determined Backup Data of server interaction, then by the interactive command correspondence<Status return selection result (just Backup Data sign as URI) to device management server.
Device management server can directly obtain the target data of URI appointment by issuing the Get order after obtaining the URI of target data.Data can be carried out some preliminary treatment before transmitting, as compression, encryption etc.For example:
<Get>
<CmdID>4</CmdID>
<Item>
<Target>
<LocURI>./Root</LocURI>
</Target>
</Item>
</Get>
Second method, as shown in Figure 2, after device end was determined Backup Data, the device end packing data also was stored on the separate nodes of device management tree, so that device management server obtains packet.In order to realize this method, at first on the DM management tree, increase the node Outbox of a store backup data.The Outbox node provides the passage of a transfer of data for device end and device management server, determined the Backup Data of storage when device end after, device end can be packed to Backup Data, and backup data package is stored on the Outbox node.Server directly obtains the data of this node by order Get.
The third method, after device end determined to need the Backup Data of storage, device end was packed to Backup Data, directly is uploaded to server then, uploaded and used Generic Alert order.For example:
<Alert>
<CmdID>2</CmdID>
<Data>1226</Data><--Generic?Alert-->
<Item>
<Source><LocURI>./Root</LocURI></Source>
<Meta>
<Type>org.openmobilealliance.dm.backup.userrequest</Type>
<Format>chr</Format>
</Meta>
<Data>
<CDATA>...</CDATA><--Upload?data-->
</Data>
</Item>
</Alert>
In step 3, the Backup Data that the DM server stores obtains.According to the present invention, as shown in Figure 3, packet can be organized in the mode of tree: tree has two subtrees, respectively the data on storage terminal management tree and the non-management tree.If the data on the management tree, the tissue of tree is organized by the structure of terminal management tree; For the data on the non-management tree, press it at the path of end side tissue.
The Backup Data that the end-use device management server stores obtains.Backup Data form with tree on device management server is stored.With backup data store in the tree, the method for storage is as follows, searches Backup Data at first in the tree, if find, then it is upgraded, if do not have, then increases the node of this Backup Data of storage in the tree.
The traffic when reducing Backup Data can be taked certain measure, as set some distinguishing marks in end side, makes only to send the part through revising in the Backup Data of determining at every turn, rather than the full backup data.
Introduce data reconstruction method below, when the needs Backup Data, can notify DM server by modes such as Portal, short messages, or the direct initiation session of device end, Generic Alert announcement server utilized, so that the DM server carries out the recovery of data.If Portal or short message way notice DM server, then the DM server can send Notification (notice) to device end and set up flow process with triggering session.If the target data that to the DM server requests time, does not have the DM server to operate, then need after setting up session, carry out the target data of to determine beamhouse operation alternately of DM server and device end, the method of determining can be the information that server at first obtains Backup Data, by issuing interactive command these data messages are presented to the user and allowed the user select then, the information that the user provides according to interactive interface is determined the target data that needs recover.After determining target data, the DM server extracts the data on the Backup Data tree and returns to terminal.Backup Data can use Replace order or other order.
When device end needs the operation of notification server terminal request, can order by subsidiary Generic Alert in the conversation request packet to reach this purpose.The recovery sign that Generic Alert order needs the subsidiary good both sides of predefined all to understand, i.e. Alert Type.The Alert Type that recovers as data can be defined as " org.openmobilealliance.dm.restore.userrequest ".
According to the present invention, preferably, in the data backup process, when backed up data is routine data, sign, version number that can a stand-by program data; In data recovery procedure, DMS can download, install and dispose this routine data according to routine data sign and version number control device end.
As shown in Figure 4, the invention provides a kind of data backup/recovery system, comprise device end, communication network and DM server.Described device end comprises: select module, be used to select Backup Data; Communication module is used for the Backup Data of selecting is issued the DM server, receives the Backup Data of selecting.Described DM server comprises: memory is used for store backup data; Communication module is used for the slave unit terminal and obtains Backup Data, and Backup Data is issued device end; Processing module, be used for the backup/restoration request of identification equipment terminal, and according to backup/restoration request is operated Backup Data, when device end is sent backup request, processing module obtain Backup Data and with backup data store in memory, when device end was sent recovery request, processing module was utilized the target data of Backup Data restorer terminal.Described communication network comprises wireless network or cable network, is used for communicating between device end and the device management server.
According to the present invention, by terminal data being stored on the DM server, can guarantee the restorability of terminal data, the recovery capability of data especially can be provided for the private data of device end, thereby make things convenient for the user, improved user experience.
In addition, according to the present invention, when carrying out program recovery, needn't search program to be recovered, device management server can carry out program and download and install and dispose according to program information (as the sign and the version number of stand-by program) the automatic control equipment terminal of backup, thereby has made things convenient for the program recovery of device end.
Though described the present invention by embodiment, those of ordinary skills know, without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited to the appended claims.

Claims (14)

1. a data back up method is applied in the equipment management system, and described equipment management system comprises device end and device management server, and described device management server is used for device end is carried out maintenance management, it is characterized in that, described method comprises:
A, device end and device management server are set up session, and definite Backup Data;
B, device end obtain the Backup Data sign according to the Backup Data of determining, then the Backup Data sign are issued device management server;
C, device management server obtain the Backup Data of device end according to the Backup Data sign;
The Backup Data that D, device management server storage obtain.
2. data back up method according to claim 1 is characterized in that, further comprises in described steps A: device end is set up session and is determined Backup Data by User Interface; Perhaps device end is set up session and is determined Backup Data by note or door and device management server; Perhaps set up session automatically and determine Backup Data by predetermined condition, described predetermined condition comprises time conditions or event condition, and described time conditions comprises regularly and the interval scheduled time that described event condition comprises data modification and software upgrading.
3. data back up method according to claim 2 is characterized in that, described step C further comprises:
C1, device end are placed on the Backup Data of selecting on the device management tree;
C2, device management server obtain the Backup Data that is placed on the device management tree.
4. data back up method according to claim 2 is characterized in that, described step C also comprises:
C3, device end are packed the Backup Data of selecting, and are issued device management server.
5. data back up method according to claim 1 is characterized in that, described step B also comprises: when backed up data is routine data, and sign, the version number of a stand-by program data.
6. according to the wherein arbitrary described data back up method of claim 1 to 5, it is characterized in that described step D further comprises: device management server is with the Backup Data of the form storage acquisition of tree.
7. according to the wherein arbitrary described data back up method of claim 1 to 5, it is characterized in that also be provided with the backup sign, when being used for setting up session between device end and device management server, device end announcement apparatus management server carries out backup operation.
8. a data reconstruction method is applied in the equipment management system, and described equipment management system comprises device end and device management server, and described device management server is used for device end is carried out maintenance management, it is characterized in that, described method comprises:
Set up session between A, device end and the device management server, and definite Backup Data sign;
B, device end are issued device management server with the Backup Data sign of determining;
C, device management server obtain the Backup Data of device end according to the Backup Data sign;
D, device management server are according to the data of Backup Data restorer terminal.
9. data reconstruction method according to claim 8, it is characterized in that, further comprise in the definite Backup Data sign described in the described steps A: device end is determined the Backup Data sign by the User Interface mode, perhaps determines that by mutual between device management server and the device end Backup Data identifies.
10. according to Claim 8 or 9 described data reconstruction methods, it is characterized in that also be provided with and recover sign, when being used for setting up session between device end and device management server, device end announcement apparatus management server carries out recovery operation.
11. a data recovery/standby system comprises device end and device management server, it is characterized in that,
Described device end comprises: select module, be used to select Backup Data, determine the Backup Data sign according to Backup Data; Communication module is used for the Backup Data sign of determining is issued device management server, receives the Backup Data of selecting;
Described device management server comprises: memory is used for store backup data; Communication module is used for the slave unit terminal and obtains the Backup Data sign, obtains Backup Data according to described Backup Data sign from terminal, perhaps obtains Backup Data from this locality according to the Backup Data sign, and Backup Data is issued device end; Processing module is used for the backup/restoration request of identification equipment terminal, and request is operated Backup Data according to backup/restoration.
12. system according to claim 11 is characterized in that, described system also comprises communication network, is used for communicating between device end and the device management server, and described communication network comprises wireless network or cable network.
13. a device end that is used for data recovery/backup is characterized in that, described device end comprises: select module, be used to select Backup Data, determine the Backup Data sign according to Backup Data; Communication module is used for the Backup Data sign of determining is issued device management server, the Backup Data that the receiving equipment management server recovers.
14. a device management server that is used for data recovery/backup is characterized in that, described device management server comprises: memory is used for the Backup Data of memory device terminal; Communication module, be used for the slave unit terminal and obtain the Backup Data sign, obtain Backup Data according to described Backup Data sign from terminal, and store described Backup Data, perhaps obtain the Backup Data of device end from this locality, and Backup Data is issued device end according to the Backup Data sign; Processing module is used for the backup/restoration request of identification equipment terminal, and request is operated Backup Data according to backup/restoration.
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