CN105893181B - Restore hard disc data method in cloud - Google Patents
Restore hard disc data method in cloud Download PDFInfo
- Publication number
- CN105893181B CN105893181B CN201610191949.3A CN201610191949A CN105893181B CN 105893181 B CN105893181 B CN 105893181B CN 201610191949 A CN201610191949 A CN 201610191949A CN 105893181 B CN105893181 B CN 105893181B
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- Prior art keywords
- data
- hard disc
- external processor
- cloud
- computer
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1448—Management of the data involved in backup or backup restore
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
- G06F11/1464—Management of the backup or restore process for networked environments
Abstract
The invention discloses a kind of clouds to restore hard disc data method, it is applied to computer hard disc, it specifically includes: when reading data discovery mistake from computer hard disc, external processor is connect with computer by wired or wireless way, after the external processor reads in the computer hard disc wrong data and its respective physical block address, the order and the IP address of the external processor for restoring corresponding data are sent to cloud server；Corresponding data is sent to the external processor cache area by the cloud server；The corresponding data is sent to progress data cover at the computer hard disc respective physical block address by the external processor.Cloud disclosed in this case restores hard disc data method and carries out data recovery to faulty hard disk using cloud technology, and data recovery capabilities greatly improve.
Description
Technical field
The present invention relates to hard disk failure technical fields.It is more particularly related to which hard disc data is restored in a kind of cloud
Method.
Background technique
Currently, common hard disk includes mechanical hard disk and solid state hard disk, since mechanical hard disk is easy by temperature, the shadow of vibration
It rings and read-write error occurs, and the intrinsic erasable number limitation of solid state hard disk itself and bad block rate also result in read-write error.Though
Right hard disk has error correcting capability, but it can only correct the less wrong data of number of errors, error correction by itself error correction algorithm
Ability is limited.
In the prior art, when the number of errors of wrong data is too many, hard disk can not carry out error correction by itself error correction algorithm
When, storage control mostly uses RAID (Redundant Array of Independent Disks, the redundancy battle array of independent disk
Column) algorithm corrects mistake, and is restored by reconstruction or format manipulation to hard disc data.If during reconstruction operation
There is mistake in other hard disks in hard disk array, and the data in hard disk will be unable to restore；And format manipulation needs to carry out entirely
The reading data of magnetic track, formats and data write operation twice, for the first time for the data of entire magnetic track (including are passed through RAID
Other data where recovery data and wrong data that algorithm obtains on magnetic track) write-in reservation region, being for the second time will be entire
On magnetic track after the completion of the data writing format of magnetic track, frequent operation is relatively time-consuming, and it is hard for saving for retaining region
The parameter and configuration information of disk carry out that biggish risk can be brought when first time data write operation.The prior art is to improve firmly
The remediation efficiency of disk erroneous sector or hard disk bad block is replaced old logical block address by the way of mapping logic block address and is realized
It repairs, but this method will occupy hard drive space, processing when occurring wide-area failures for hard disk is still time-consuming and laborious.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of clouds to restore hard disc data method, using cloud technology to failure
Hard disk carries out data recovery, and data recovery capabilities greatly improve.
In order to realize these purposes and other advantages according to the present invention, a kind of cloud recovery hard disc data side is provided
Method is applied to computer hard disc, specifically includes:
When reading data discovery mistake from computer hard disc, external processor and computer are passed through into wired or wireless way
Connection, after the external processor reads in the computer hard disc wrong data and its respective physical block address, to cloud service
Device sends the IP address of the order and the external processor that restore corresponding data；
Corresponding data is sent to the external processor cache area by the cloud server；
The corresponding data is sent at the computer hard disc respective physical block address and counts by the external processor
According to covering；
The external processor sends a certain physics read in addition to physical block address where wrong data to the computer
The order of block address data, the computer export storing data to the external processor cache area, the external processor to
The cloud sends the order and its IP address for reading respective physical block address storing data, and the cloud is by respective stored data
It is sent to the external processor cache area to be compared with computer output storing data, unanimously then shows that the computer is hard
Disk data read path is correct, otherwise shows mistake, described external when the computer hard disc data read path shows mistake
Processor carries out overall data covering to the computer hard disc.
Preferably, hard disc data method is restored in the cloud, wherein the external processor passes through with the computer
USB data line electrical connection.
Preferably, hard disc data method is restored in the cloud, wherein the external processor passes through with the computer
Network connection.
Preferably, hard disc data method is restored in the cloud, wherein further includes to computer hard disc respective physical block
The new data of location covering is verified, specifically:
The external processor reads the computer hard disc respective physical block address data；
The external processor by data in the computer hard disc respective physical block address data of reading and buffer area into
Row compares, and as a result unanimously then shows and restores data success；As a result inconsistent, show recovery error in data.
Preferably, hard disc data method is restored in the cloud, wherein described outer when display restores error in data
Set processor again by the corresponding data that the cache bank memories store up be sent at the computer hard disc respective physical block address into
Row data cover, and the new data of computer hard disc respective physical block address covering is verified again.
Preferably, hard disc data method is restored in the cloud, wherein before hard disc data recovery further includes to described
The verification of computer hard disc data read path, specifically:
Preferably, hard disc data method is restored in the cloud, wherein when the computer hard disc data read path is aobvious
When showing mistake, the external processor carries out overall data covering to the computer hard disc.
Preferably, hard disc data method is restored in the cloud, wherein the external processor sets central processing to be interior
Unit and buffer area, peripheral hardware USB interface or the device for being wirelessly transferred end.
Preferably, hard disc data method is restored in the cloud, wherein the external processor be mobile phone, plate or
One of PC machine.
Preferably, hard disc data method is restored in the cloud, wherein the external processor is to the cloud service
Object where wrong data in physical address, the computer hard disc in the order of device transmission recovery corresponding data including the computer
Manage clearance password between block address and the preset computer and cloud.
The present invention is include at least the following beneficial effects: being carried out hard disc data recovery by using external processor, is saved
Hard drive space reduces the requirement to hard disk；By storing data backup in cloud, pass through clearance mouth between preset computer and cloud
It enables and realizes that data are restored, ensure that the safety of computer backup data；Hard disc data recovery is carried out using cloud technology, quickly may be used
It leans on, the amplification of capacity multiple.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Specific embodiment
The present invention is described in further detail below, to enable those skilled in the art's refer to the instruction text being capable of evidence
To implement.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
The present invention provides a kind of cloud recovery hard disc data method, is applied to computer hard disc, specifically includes:
When reading data discovery mistake from computer hard disc, external processor and computer are passed through into wired or wireless way
Connection, after the external processor reads in the computer hard disc wrong data and its respective physical block address, to cloud service
Device sends the IP address of the order and the external processor that restore corresponding data；
Corresponding data is sent to the external processor cache area by the cloud server；
The corresponding data is sent at the computer hard disc respective physical block address and counts by the external processor
According to covering.
The external processor is electrically connected with the computer by USB data line.Alternatively, the external processor with it is described
Computer passes through network connection.
The new data of computer hard disc respective physical block address covering is verified, specifically:
The external processor reads the computer hard disc respective physical block address data；
The external processor by data in the computer hard disc respective physical block address data of reading and buffer area into
Row compares, and as a result unanimously then shows and restores data success；As a result inconsistent, show recovery error in data.
When display restores error in data, the corresponding data that the external processor again stores up the cache bank memories is sent out
It send to progress data cover at the computer hard disc respective physical block address, and computer hard disc respective physical block address is covered again
The new data of lid is verified.
It further include verification to the computer hard disc data read path before hard disc data recovery, specifically:
The external processor sends a certain physics read in addition to physical block address where wrong data to the computer
The order of block address data, the computer export storing data to the external processor cache area, the external processor to
The cloud sends the order and its IP address for reading respective physical block address storing data, and the cloud is by respective stored data
It is sent to the external processor cache area to be compared with computer output storing data, unanimously then shows that the computer is hard
Disk data read path is correct, otherwise shows mistake.It is described external when the computer hard disc data read path shows mistake
Processor carries out overall data covering to the computer hard disc.
The external processor is the interior dress for setting central processing unit and buffer area, peripheral hardware USB interface or wireless transmission end
It sets.Wherein, the external processor is one of mobile phone, plate or PC machine.
Wherein, it includes the electricity in the order for restoring corresponding data that the external processor is sent to the cloud server
Clearance between physical block address and the preset computer and cloud where wrong data in the physical address of brain, the computer hard disc
Password.
The present invention carries out hard disc data recovery by using external processor, saves hard drive space, reduces to hard disk
Requirement；By storing data backup in cloud, realizes that data are restored by clearance password between preset computer and cloud, ensure that
The safety of computer backup data；Hard disc data recovery is carried out using cloud technology, fast and reliable, capacity multiple amplification.
Number of devices and treatment scale described herein are for simplifying explanation of the invention.To application of the invention,
Modifications and variations will be readily apparent to persons skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (8)
1. hard disc data method is restored in a kind of cloud, which is characterized in that it is applied to computer hard disc, specifically includes:
When reading data discovery mistake from computer hard disc, external processor and computer are connected by wired or wireless way
It connects, after the external processor reads in the computer hard disc wrong data and its respective physical block address, to cloud server
Send the IP address of the order and the external processor that restore corresponding data；
Corresponding data is sent to the external processor cache area by the cloud server；
The corresponding data is sent to progress data at the computer hard disc respective physical block address and covered by the external processor
Lid；
It further include verification to the computer hard disc data read path before hard disc data recovery, specifically:
The external processor is with reading a certain physical block in addition to physical block address where wrong data to computer transmission
The order of location data, the computer export storing data to the external processor cache area, and the external processor is to described
Cloud sends the order and its IP address for reading respective physical block address storing data, and the cloud sends respective stored data
It is compared to the external processor cache area with computer output storing data, unanimously then shows the computer hard disc number
It is correct according to read path, otherwise show mistake；When the computer hard disc data read path shows mistake, the external processing
Device carries out overall data covering to the computer hard disc.
2. hard disc data method is restored in cloud as described in claim 1, which is characterized in that the external processor and the electricity
Brain is electrically connected by USB data line.
3. hard disc data method is restored in cloud as described in claim 1, which is characterized in that the external processor and the electricity
Brain passes through network connection.
4. hard disc data method is restored in cloud as described in claim 1, which is characterized in that further include to computer hard disc homologue
The new data of reason block address covering is verified, specifically:
The external processor reads the computer hard disc respective physical block address data；
The external processor compares the computer hard disc respective physical block address data of reading with data in buffer area
It is right, it as a result unanimously then shows and restores data success；As a result inconsistent, show recovery error in data.
5. hard disc data method is restored in cloud as claimed in claim 4, which is characterized in that when display restores error in data,
The external processor again by the corresponding data that the cache bank memories store up with being sent to the computer hard disc respective physical block
Data cover is carried out at location, and the new data of computer hard disc respective physical block address covering is verified again.
6. as hard disc data method is restored in cloud described in any one of claim 1 to 5, which is characterized in that the external processing
Device is the interior device for setting central processing unit and buffer area, peripheral hardware USB interface or wireless transmission end.
7. hard disc data method is restored in cloud as claimed in claim 6, which is characterized in that the external processor be mobile phone,
One of plate or PC machine.
8. hard disc data method is restored in cloud as described in claim 1, which is characterized in that the external processor is to the cloud
Wrong data in physical address, the computer hard disc in the order of end server transmission recovery corresponding data including the computer
Clearance password between place physical block address and the preset computer and cloud.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191949.3A CN105893181B (en) | 2016-03-30 | 2016-03-30 | Restore hard disc data method in cloud |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610191949.3A CN105893181B (en) | 2016-03-30 | 2016-03-30 | Restore hard disc data method in cloud |
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| CN105893181A CN105893181A (en) | 2016-08-24 |
| CN105893181B true CN105893181B (en) | 2019-05-28 |
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| CN201610191949.3A Active CN105893181B (en) | 2016-03-30 | 2016-03-30 | Restore hard disc data method in cloud |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108737469A (en) * | 2017-04-20 | 2018-11-02 | 北京雷石天地电子技术有限公司 | A kind of method and apparatus hard disk praameter monitoring and fed back |
| CN112181713B (en) * | 2020-10-10 | 2021-06-04 | 上海威固信息技术股份有限公司 | Data recovery method and system of computer storage system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104854567A (en) * | 2012-09-04 | 2015-08-19 | 微软技术许可有限责任公司 | Device backups and updates in view of data usage statistics |
| CN104969198A (en) * | 2013-01-14 | 2015-10-07 | 美光科技公司 | Data path integrity verification |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7302603B2 (en) * | 2003-11-20 | 2007-11-27 | International Business Machines Corporation | Host-initiated data reconstruction for improved RAID read operations |
| US8959389B2 (en) * | 2011-11-23 | 2015-02-17 | International Business Machines Corporation | Use of a virtual drive as a hot spare for a raid group |
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- 2016-03-30 CN CN201610191949.3A patent/CN105893181B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104854567A (en) * | 2012-09-04 | 2015-08-19 | 微软技术许可有限责任公司 | Device backups and updates in view of data usage statistics |
| CN104969198A (en) * | 2013-01-14 | 2015-10-07 | 美光科技公司 | Data path integrity verification |
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| CN105893181A (en) | 2016-08-24 |
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