CN102385486B - Method and device for penetrating and reducing disk and equipment - Google Patents
Method and device for penetrating and reducing disk and equipment Download PDFInfo
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- CN102385486B CN102385486B CN201010272067.2A CN201010272067A CN102385486B CN 102385486 B CN102385486 B CN 102385486B CN 201010272067 A CN201010272067 A CN 201010272067A CN 102385486 B CN102385486 B CN 102385486B
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Abstract
The invention is applied to the technical field of computers, and provides a method and a device for penetrating and reducing a disk and equipment. The method comprises the following steps of: intercepting a received write operation instruction on the disk; detecting whether the write operation instruction is a write operation instruction of pre-established virtual disk equipment or not; acquiring a disk partition corresponding to the pre-established virtual disk equipment when the write operation instruction is the write operation instruction of the pre-established virtual disk equipment; and performing wire operation on the acquired disk partition according to the received write operation instruction on the disk. In the method and the device, a write operation type is distinguished according to a write operation object, so that the problem that modification on data of the disk partition cannot be protected in a disk reduction protection state is solved, a user can conveniently store the modification on the data of the disk partition in the disk reduction protection state according to requirement, the penetration of disk reduction is realized, and the operation under the disk reduction projection is more humanized.
Description
Technical field
The invention belongs to field of computer technology, relate in particular to a kind of reducing disk penetrating method, device and equipment.
Background technology
System reducing is a kind of recovery mechanism that windows operating system provides, and the purpose of system reducing is not need to reinstall system, also can not destroy under the prerequisite of data file and make system get back to duty.Utility routine is at running background, and automatically creates restoration point when trigger event occurs.The system reducing protection is not really write disk to the write operation of disk, thereby reaches the purpose of protection system.Reducing disk penetrates and refers at the subregion that is set to reducing disk and carry out write operation.
The system reducing function that windows operating system provides itself only is confined to the core setting to specific system file and application program, such as the monitoring of .exe .dll .inf .ini .msi .ole and .sys file etc.This method is local to the reduction of computer system, can only carry out local reduction, simultaneously, while on the user need to the disk partition under being set to the reducing disk state, carrying out write operation, can't carry out penetrating of reducing disk, cause the troublesome poeration of the write operations such as modification to disk under the reducing disk state.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of reducing disk penetrating method, be intended to solve owing in the disk partition under being set to the reducing disk state, carrying out write operation, can't carry out penetrating of reducing disk, cause the problem of the troublesome poeration of the write operations such as modification to disk under the reducing disk state.
The embodiment of the present invention is achieved in that a kind of reducing disk penetrating method, and described method comprises the steps:
The instruction of the write operation to disk that intercepting and capturing receive;
Whether detect described write operation instruction is the write operation instruction of the virtual disk equipment to being pre-created;
When described write operation instruction during for the write operation instruction to the virtual disk equipment that is pre-created, in the incidence relation table of the virtual disk equipment of storing and disk partition, the virtual disk equipment be pre-created is carried out to matching operation, obtain and the described disk partition corresponding to the virtual disk equipment be pre-created;
According to the instruction of the write operation to disk received, the disk partition of obtaining is carried out to write operation.
Another purpose of the embodiment of the present invention is to provide a kind of reducing disk penetrating device, and described device comprises:
Unit, the instruction of the write operation to disk received for intercepting and capturing are intercepted and captured in the write operation instruction;
Whether the write operation instruction detection unit is the write operation instruction of the virtual disk equipment to being pre-created for detection of described write operation instruction;
The disk partition acquiring unit, when when described write operation instruction, being the write operation instruction of the virtual disk equipment to being pre-created, in the incidence relation table of the virtual disk equipment of storing and disk partition, the virtual disk equipment be pre-created is carried out to matching operation, obtain and the described disk partition corresponding to the virtual disk equipment be pre-created; And
The write operation performance element, carry out write operation for the instruction of the write operation to disk according to receiving to the disk partition of obtaining.
Another purpose of the embodiment of the present invention is to provide a kind of equipment that comprises the reducing disk penetrating device, and described reducing disk penetrating device comprises:
Unit, the instruction of the write operation to disk received for intercepting and capturing are intercepted and captured in the write operation instruction;
Whether the write operation instruction detection unit is the write operation instruction of the virtual disk equipment to being pre-created for detection of described write operation instruction;
The disk partition acquiring unit, when when described write operation instruction, being the write operation instruction of the virtual disk equipment to being pre-created, in the incidence relation table of the virtual disk equipment of storing and disk partition, the virtual disk equipment be pre-created is carried out to matching operation, obtain and the described disk partition corresponding to the virtual disk equipment be pre-created; And
The write operation performance element, carry out write operation for the instruction of the write operation to disk according to receiving to the disk partition of obtaining.
The instruction of the write operation to disk that the embodiment of the present invention receives by detection; when the instruction of the write operation to disk received for to the write operation instruction of virtual disk equipment the time; judge the operation that penetrates that it is reducing disk; then carry out write operation according to the write operation instruction pair disk partition corresponding with virtual disk equipment; can't preserve thereby solved under the reducing disk guard mode problem that the user revises; make the user can preserve easily as required its modification to data in disk partition, make the operation hommization more under the reducing disk protection.
The accompanying drawing explanation
Fig. 1 is the realization flow figure of the reducing disk penetrating method that provides of first embodiment of the invention;
Fig. 2 is the realization flow figure of the reducing disk penetrating method that provides of second embodiment of the invention;
Fig. 3 is the structural drawing of the reducing disk penetrating device that provides of third embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The write operation instruction that the embodiment of the present invention receives by judgement; when it is the write operation to virtual disk equipment; carry out write operation according to the write operation instruction pair disk partition corresponding with virtual disk equipment while penetrating operation; can't preserve thereby solved under the reducing disk guard mode problem that the user revises; make the user can preserve easily as required its modification to disk partition, make the operation hommization more under the reducing disk protection.
The embodiment of the present invention provides a kind of reducing disk penetrating method, and described method comprises the steps:
Receive the write operation instruction of application program;
Virtual disk hanging equipment corresponding to reducing disk subregion be pre-created is downloaded to preset mount point, preserves the incidence relation of mount point and described virtual disk equipment;
Compared in write operation path in the write operation instruction of the described application program received and the mount point in described incidence relation, judge whether the write operation instruction of the described application program received is the write operation instruction to described virtual disk equipment;
When the write operation instruction of the described application program received during for the write operation instruction to described virtual disk equipment, according to the write operation instruction pair reducing disk subregion corresponding with virtual disk equipment of the described application program received, carry out write operation.
The embodiment of the present invention also provides a kind of reducing disk penetrating device, and described device comprises:
Write operation command reception unit, for receiving the write operation instruction of application program;
Virtual disk hanging equipment carrier unit, the virtual disk hanging equipment corresponding for the reducing disk subregion by being pre-created is downloaded to preset mount point, preserves the incidence relation of mount point and described virtual disk equipment;
The write operation instruction detection unit, for being compared in the write operation path of the write operation instruction of the described application program received and the mount point in described incidence relation, judge whether the write operation instruction of the described application program received is the write operation instruction to described virtual disk equipment; And
The write operation performance element, for when the write operation instruction of the described application program received during for the write operation instruction to described virtual disk equipment, according to the write operation instruction pair reducing disk subregion corresponding with virtual disk equipment of the described application program received, carry out write operation.
The embodiment of the present invention also provides a kind of equipment that includes the reducing disk penetrating device, and described reducing disk penetrating device comprises:
Write operation command reception unit, for receiving the write operation instruction of application program;
Virtual disk hanging equipment carrier unit, the virtual disk hanging equipment corresponding for the reducing disk subregion by being pre-created is downloaded to preset mount point, preserves the incidence relation of mount point and described virtual disk equipment;
The write operation instruction detection unit, for being compared in the write operation path of the write operation instruction of the described application program received and the mount point in described incidence relation, judge whether the write operation instruction of the described application program received is the write operation instruction to described virtual disk equipment; And
The write operation performance element, for when the write operation instruction of the described application program received during for the write operation instruction to described virtual disk equipment, according to the write operation instruction pair reducing disk subregion corresponding with virtual disk equipment of the described application program received, carry out write operation.
The instruction of the write operation to disk that the embodiment of the present invention receives by detection; when the instruction of the write operation to disk received for to the write operation instruction of virtual disk equipment the time; judge the operation that penetrates that it is reducing disk; then carry out write operation according to the write operation instruction pair disk partition corresponding with virtual disk equipment; can't preserve thereby solved under the reducing disk guard mode problem that the user revises; make the user can preserve easily as required its modification to data in disk partition, make the operation hommization more under the reducing disk protection.
Below in conjunction with specific embodiment, specific implementation of the present invention is described in detail:
embodiment mono-:
Fig. 1 shows the realization flow of the reducing disk penetrating method that first embodiment of the invention provides, and details are as follows:
In step S101, intercept and capture the instruction of the write operation to disk received;
In embodiments of the present invention, the write operation to disk of intercepting and capturing can be that the application software such as Word, Excel are preserved operation, can be also the write operation of the program that the files such as .exe .dll .inf .ini .msi .ole and .sys are corresponding, but be not limited to these programs.
In embodiments of the present invention, corresponding HOOK (hook) function can be installed for monitoring and intercepting and capturing the disk operating to disk partition, after intercepting corresponding disk operating, give trace routine and processed.
Whether in step S102, detecting described write operation instruction is the write operation instruction of the virtual disk equipment to being pre-created;
In embodiments of the present invention, mount point refers to the entrance catalogue of the disk file system in computer system, in linux, unix operating system, common hardware device, disk partition etc. all are considered file, access to equipment, disk is regarded as reading and writing corresponding file, is similar to the D that use in windows visits different subregions:, E: wait drive.In actual conditions, windows also supports a disk partition is hung over below a file.Therefore, mount point is the entrance of the virtual disk equipment that access reducing disk subregion is corresponding.In embodiments of the present invention, be pre-created the virtual disk equipment corresponding to disk partition of the reducing disk protection of configuration, and be mounted to corresponding mount point, mount point and virtual disk equipment incidence relation are preserved by operating system and are safeguarded.
In embodiments of the present invention, can compare with the mount point of the virtual disk equipment be pre-created by the disk path of the write operation by the write operation instruction, detect whether the write operation instruction is the write operation instruction of the virtual disk equipment to being pre-created.
In step S103, when the write operation instruction during for the write operation instruction to the virtual disk equipment that is pre-created, virtual disk equipment execution matching operation to being pre-created in the incidence relation table of virtual disk equipment and the disk partition of storage, obtain the disk partition corresponding with virtual disk equipment to being pre-created;
In embodiments of the present invention, include the information such as operational character, operation address, operand in the write operation instruction.Compare by the write operation path in the write operation instruction by receiving and the mount point in incidence relation, can know whether the write operation instruction to disk is the operation to virtual disk equipment.
In step S104, according to the instruction of the write operation to disk received, the disk partition of obtaining is carried out to write operation.
In the invention process; when the user need to carry out write operation in the disk partition that the reducing disk protection is set; the virtual disk hanging equipment be pre-created that disk partition is corresponding is downloaded to corresponding mount point; distinguish user's disk operating by the virtual disk equipment in write operation; thereby will be saved in disk partition to the modification of the data of disk partition, complete penetrating of disk partition under the reducing disk guard mode.
embodiment bis-:
Fig. 2 shows the realization flow of the reducing disk penetrating method that second embodiment of the invention provides, and details are as follows:
In step S201, intercept and capture the instruction of the write operation to disk received;
In step S202, detect whether the write operation instruction is the write operation instruction of the virtual disk equipment to being pre-created, be to perform step S203, otherwise execution step S205;
In step S203, the virtual disk equipment execution matching operation to being pre-created in the incidence relation table of virtual disk equipment and the disk partition of storage, obtain the disk partition corresponding with virtual disk equipment to being pre-created;
In step S204, according to the instruction of the write operation to disk received, the disk partition of obtaining is carried out to write operation;
In step S205, whether the instruction of the write operation to disk that judgement receives is the write operation of the reserved idle disk sector mapped file to being pre-created, and is to perform step S209, otherwise execution step S206;
In step S206, the disk address information of the write operation to disk that receives and the disk sector of the use address information in reserved idle disk sector mapped file are compared, obtain the address information of using reserved idle disk sector corresponding to sector;
In step S207, the write operation to disk that will receive according to the redirected algorithm configured is redirected to the idle disk sector of disk partition;
In step S208, at the idle disk sector be redirected to, carry out the write operation to disk received.
In step S209, the write operation of refusal to reserved idle disk sector mapped file.
In embodiments of the present invention; while in the disk partition that the reducing disk protection is being set, carrying out write operation; write operation if not the virtual disk equipment corresponding to disk partition; can not implement penetrating of disk partition; the content of write operation can only be stored in the idle disk partition of other appointment; can not realize substantial covering, thereby reach the preservation to the state of disc content one-phase, reducing disk after being beneficial to.
embodiment tri-:
Fig. 3 shows the structure of the reducing disk penetrating device that third embodiment of the invention provides, and for convenience of explanation, only shows the part relevant to the embodiment of the present invention.
Virtual disk equipment creating unit 301, for creating virtual disk equipment corresponding to disk partition;
In embodiments of the present invention, virtual disk equipment creates when system starts, in concrete implementation process, the embodiment of the present invention can be placed in to the layered filtration driver under Windows driver model WDM framework, be carried out the establishment of virtual disk equipment by the layered filtration driver.
Virtual disk hanging equipment carrier unit 302, be downloaded to mount point for the virtual disk hanging equipment that virtual disk equipment creating unit is created, and preserves the corresponding relation of virtual disk equipment and mount point thereof;
In embodiments of the present invention; be pre-created the virtual disk equipment corresponding to disk partition of the reducing disk protection of configuration; and being mounted to corresponding mount point, mount point and virtual disk equipment incidence relation are preserved and are safeguarded by the disk file system of operating system.
In embodiments of the present invention, corresponding HOOK (hook) function can be installed for monitoring and intercepting and capturing the disk operating to disk partition, after intercepting corresponding disk operating, give trace routine and processed.Or special process is set is monitored, intercept and capture.
Whether write operation instruction detection unit 304 is the write operation instruction of the virtual disk equipment to being pre-created for detection of the write operation instruction;
Disk partition acquiring unit 305, when when the write operation instruction, being the write operation instruction of the virtual disk equipment to being pre-created, in the incidence relation table of the virtual disk equipment of storing and disk partition, the virtual disk equipment be pre-created is carried out to matching operation, obtain the disk partition corresponding with the virtual disk equipment be pre-created;
Write operation performance element 306, carry out write operation for the instruction of the write operation to disk according to receiving to the disk partition of obtaining.
Mapping relations document creation unit 307, for creating the mapping relations file that uses disk sector address information and idle disk sector address information of the disk partition for storing pre-configured reducing disk.
Write operation judging unit 308, whether the instruction of the write operation to disk received for judgement is the write operation of the reserved idle disk sector mapped file to being pre-created;
Idle disk sector acquiring unit 309, for not being when reserving the write operation of idle disk sector mapped file when the instruction of the write operation to disk received, the disk address information of the write operation to disk that receives and the disk sector of the use address information in reserved idle disk sector mapped file are compared, obtain the address information of using reserved idle disk sector corresponding to sector;
Write operation is redirected unit 310, is redirected to the idle disk sector of the disk partition that idle disk sector acquiring unit 309 obtains for the redirected algorithm write operation to disk that will receive according to configuration;
Idle disk operating performance element 311, carry out and write the write operation instruction to disk for the idle disk sector that the redirected unit of write operation is directed to.
In embodiments of the present invention, by detecting the write operation requests to disk, when write operation requests being detected and be the write operation requests to virtual disk equipment, the judgement write operation is that write operation is carried out in the disk partition of the reducing disk subregion that the virtual disk equipment to asking is corresponding, and then to the write operation that carries out of disk partition, realize penetrating of disk partition under the reducing disk guard mode, if not the write operation requests to virtual disk equipment, write operation is redirected to pre-configured idle disk partition and carries out write operation, thereby reach the protection of disc content, the reduction protection of disk.
But this reducing disk penetrating device can be for having the disk system of write operation, pocket computing machine (Pocket Personal Computer for example, PPC), palm PC, computing machine, notebook computer, personal digital assistant (Personal Digital Assistant, PDA) etc. in disk system, can be to run on the unit that software unit, hardware cell or software and hardware in these equipment combine, also can be used as independently suspension member and be integrated in these computer equipments or run in the application system in these equipment.
The embodiment of the present invention is compared by the write operation path in the instruction of the write operation to disk that will receive and the mount point in described incidence relation, when the write operation instruction of the application program received during for the write operation instruction to virtual disk equipment, judge its be under the reducing disk guard mode disk partition penetrate operation, then carry out write operation according to the write operation instruction pair disk partition corresponding with virtual disk equipment, can't preserve thereby solved under the reducing disk guard mode problem that disc content is revised, make the user can preserve easily as required its modification to the disk partition of reducing disk protection, make the operation hommization more under the reducing disk protection.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a reducing disk penetrating method, is characterized in that, described method comprises the steps:
The instruction of the write operation to disk that intercepting and capturing receive;
Whether detect described write operation instruction is the write operation instruction of the virtual disk equipment to being pre-created;
When described write operation instruction during for the write operation instruction to the virtual disk equipment that is pre-created, in the incidence relation table of the virtual disk equipment of storing and disk partition, the virtual disk equipment be pre-created is carried out to matching operation, obtain and the described disk partition corresponding to the virtual disk equipment be pre-created;
According to the instruction of the write operation to disk received, the disk partition of obtaining is carried out to write operation.
2. the method for claim 1, is characterized in that, before the step of the instruction of the write operation to disk that described intercepting and capturing receive, described method further comprises the steps:
Create virtual disk equipment corresponding to disk partition;
Described virtual disk hanging equipment is downloaded to mount point, preserves the corresponding relation of described virtual disk equipment and mount point thereof.
3. the method for claim 1, is characterized in that, when described write operation instruction is not the write operation instruction of the virtual disk equipment to being pre-created, described method further comprises the steps:
Whether the instruction of the write operation to disk that judgement receives is the write operation of the reserved idle disk sector mapped file to being pre-created;
When the instruction of the write operation to disk received is not during for the write operation to reserved idle disk sector mapped file, the disk address information of the write operation to disk that receives and the disk sector of the use address information in described reserved idle disk sector mapped file are compared, obtain the address information of using reserved idle disk sector corresponding to sector;
The described write operation to disk received is redirected to the idle disk sector of disk partition according to the redirected algorithm of configuration;
Carry out the described write operation to disk received at the described idle disk sector be redirected to.
4. method as claimed in claim 3, is characterized in that, whether the instruction of the write operation to disk that described judgement receives is before the step of write operation of the reserved idle disk sector mapped file to being pre-created, and described method further comprises the steps:
Create the mapping relations file that uses disk sector address information and idle disk sector address information of the disk partition for storing pre-configured reducing disk.
5. a reducing disk penetrating device, is characterized in that, described device comprises:
Unit, the instruction of the write operation to disk received for intercepting and capturing are intercepted and captured in the write operation instruction;
Whether the write operation instruction detection unit is the write operation instruction of the virtual disk equipment to being pre-created for detection of described write operation instruction;
The disk partition acquiring unit, when when described write operation instruction, being the write operation instruction of the virtual disk equipment to being pre-created, in the incidence relation table of the virtual disk equipment of storing and disk partition, the virtual disk equipment be pre-created is carried out to matching operation, obtain and the described disk partition corresponding to the virtual disk equipment be pre-created; And
The write operation performance element, carry out write operation for the instruction of the write operation to disk according to receiving to the disk partition of obtaining.
6. device as claimed in claim 5, is characterized in that, described device also comprises:
Virtual disk equipment creating unit, for creating virtual disk equipment corresponding to disk partition; And
Virtual disk hanging equipment carrier unit, be downloaded to mount point for the virtual disk hanging equipment that described virtual disk equipment creating unit is created, and preserves the corresponding relation of described virtual disk equipment and mount point thereof.
7. device as claimed in claim 5, is characterized in that, described device also comprises:
The write operation judging unit, whether the instruction of the write operation to disk received for judgement is the write operation of the reserved idle disk sector mapped file to being pre-created;
Idle disk sector acquiring unit, for not being for when reserving the write operation of idle disk sector mapped file when the instruction of the write operation to disk received, the disk address information of the write operation to disk that receives and the disk sector of the use address information in described reserved idle disk sector mapped file are compared, obtain the address information of using reserved idle disk sector corresponding to sector;
Write operation is redirected unit, for the redirected algorithm according to configuration, the described write operation to disk received is redirected to the idle disk sector of the disk partition that described idle disk sector acquiring unit obtains; And
Idle disk operating performance element, the described write operation to disk received of idle disk sector execution be directed to for described write operation being redirected to unit.
8. device as claimed in claim 6, is characterized in that, described device also comprises:
Mapping relations document creation unit, for creating the mapping relations file that uses disk sector address information and idle disk sector address information of the disk partition for storing pre-configured reducing disk.
9. a disk system, is characterized in that, described system comprises the described reducing disk penetrating device of the arbitrary claim of claim 5 to 8.
10. a computer equipment, is characterized in that, described equipment comprises disk system claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010272067.2A CN102385486B (en) | 2010-09-03 | 2010-09-03 | Method and device for penetrating and reducing disk and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010272067.2A CN102385486B (en) | 2010-09-03 | 2010-09-03 | Method and device for penetrating and reducing disk and equipment |
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| CN102385486A CN102385486A (en) | 2012-03-21 |
| CN102385486B true CN102385486B (en) | 2014-01-01 |
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| CN201010272067.2A Expired - Fee Related CN102385486B (en) | 2010-09-03 | 2010-09-03 | Method and device for penetrating and reducing disk and equipment |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105739913B (en) * | 2014-12-12 | 2019-04-05 | 华为技术有限公司 | A kind of disk partition arrangement method and device |
| CN105653980B (en) * | 2015-12-30 | 2019-06-11 | 福建联迪商用设备有限公司 | A kind of guard method and its system of virtual memory data |
| CN107247641B (en) * | 2017-06-19 | 2020-04-24 | 深圳市科力锐科技有限公司 | Method and device for restoring operating system on line |
| CN110457899B (en) * | 2019-08-12 | 2021-06-01 | 北京无线电测量研究所 | Operating system protection system and method |
| CN112667172A (en) * | 2021-01-19 | 2021-04-16 | 南方电网科学研究院有限责任公司 | Disk operation method, device, system, storage medium and computing equipment |
| CN113377445B (en) * | 2021-08-16 | 2021-11-23 | 北京升鑫网络科技有限公司 | Method and device for starting multiple operating systems from online disk |
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| TW422956B (en) * | 1997-05-28 | 2001-02-21 | Fnet Co Ltd | Intelligent data recovery system of personal computer |
| JP2007323377A (en) * | 2006-06-01 | 2007-12-13 | Sony Corp | Recording apparatus, method for writing management data and method for repairing management data |
| JP4289028B2 (en) * | 2003-06-04 | 2009-07-01 | パナソニック株式会社 | Hard disk backup recovery system and information processing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200512578A (en) * | 2003-09-19 | 2005-04-01 | Etrunk Technologies Inc | Access control method and module with data recovery option for a hard disk |
| US8862852B2 (en) * | 2005-02-03 | 2014-10-14 | International Business Machines Corporation | Apparatus and method to selectively provide information to one or more computing devices |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW422956B (en) * | 1997-05-28 | 2001-02-21 | Fnet Co Ltd | Intelligent data recovery system of personal computer |
| JP4289028B2 (en) * | 2003-06-04 | 2009-07-01 | パナソニック株式会社 | Hard disk backup recovery system and information processing apparatus |
| JP2007323377A (en) * | 2006-06-01 | 2007-12-13 | Sony Corp | Recording apparatus, method for writing management data and method for repairing management data |
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