CN1450459A - Hard disc data protector - Google Patents
Hard disc data protector Download PDFInfo
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- CN1450459A CN1450459A CN 02103895 CN02103895A CN1450459A CN 1450459 A CN1450459 A CN 1450459A CN 02103895 CN02103895 CN 02103895 CN 02103895 A CN02103895 A CN 02103895A CN 1450459 A CN1450459 A CN 1450459A
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Abstract
The invention opens a kind of hard disk data protection device, it includes a hard disk data protecting unit which holds up the reading and writing operation of computer to protected area; a hard disk closing protecting unit, a hard disk protection symbol bit, and a system testing unit; the hard disk closing protection unit evaluates the hard disk protection symbol bit; the system testing unit tests before the computer operation system is loaded, examines the valve of the symbol bit, if the valve is correspondent to closing hard disk protection, then the procedure is ended and starts computer operation system directly; if the valve is correspondent to start the hard disk protection, then, fixes and loads hard disk data protection unit.
Description
Technical field
The present invention relates to computer data protection field, particularly relate to a kind of protection and recovery device of hard disc data, it has improved the deficiencies in the prior art, has improved user's ease for use.
Background technology
The data protection technology is along with the application popularization of electronic data information grows up, and the application of electronic data is increasingly extensive, the maintenance of information just occurred and has prevented the requirement that accident is lost.
Be to realize hard disk data protection, have a kind of interception and displacement disk read-write interrupt vector technology in the prior art, by interrupt vector being controlled access limit, thereby reach the effect of data protection hard disc data.It gets up the data protection of logic hard disk sector by such method: with hard disk partition is protected location and working area, and computing machine all is blocked and is replaced into the operation to the working area to the read-write operation of protected location.Thereby realized write-protect to the protected location.The data of this technology are short release time, and it is little to take hard drive space.But it also has its fatal shortcoming, and promptly system compatibility is bad, and can only protect by fdisk, and can not select to back up specific file or catalogue by user flexibility.
For making things convenient for the management of Public Computer Room, various hard disc data protectors of the prior art generally all adopt interception and displacement disk read-write interrupt vector technology.But because the system compatibility of this technology is bad, unlatching is long again computer time, needs a lot of manual interventions, makes the user feel to be difficult to use.
Summary of the invention
The object of the present invention is to provide a kind of hard disc data protector, it provides user's more convenience and ease for use, to improve the deficiencies in the prior art.
The present invention seeks to realize like this: a kind of hard disc data protector, comprise a hard disk data protection module, it intercepts and captures original BIOS interrupt vector INT13h, articulating new INT13h interrupts, all are carried out new mapping through the reading writing harddisk operation of INT13h handle, give original BIOS interrupt vector INT13h then and carry out reading and writing data; It is characterized in that further comprising: close the hard disk protection module for one, a hard disk protection zone bit and system's detection module; The wherein said hard disk protection module of closing is this hard disk protection zone bit assignment; Described system detection module was carried out before computer operating system loads and is detected; check the value of hard disk protection zone bit; as this value corresponding to closing hard disk protection; EOP (end of program) then; directly start computer operating system; corresponding to starting hard disk protection, then install or load the hard disk data protection module as this value.
Preferable, described hard disk data protection module further comprises a backup to be recovered module and selects to use for the user, and it backups to data on the hidden partition or other storage mediums in the hard disk in addition by the mode of compressing or do not compress.
The present invention closes hard disk protection module and a hard disk protection zone bit by adding one; offer the user and close this hard disk protection function easily; be used to solve the problem that runs into the software compatibility; with be used for the user according to own computer security demand, select whether to open or close the hard disk protection function flexibly.Backup recovers module to be selected to use for the user, has avoided interception and displacement disk read-write interrupt vector technology to protect fdisk, and can not be protected the shortcoming of specific file or catalogue by the selection of user flexibility.Improved user's ease for use greatly.
Description of drawings
For making the present invention clearer, the present invention is described in more detail by the following examples and with reference to accompanying drawing.
Fig. 1 shows the software installation procedure as the hard disc data protector of a preferred embodiment of the present invention;
Fig. 2 shows a kind of strategy of device automatic IP address allocation of the present invention as an example.
Embodiment
Hard disc data protector of the present invention; comprise a hard disk data protection module; it is protected location and working area with hard disk partition; and intercept and capture original BIOS interrupt vector INT13h; articulating new INT13h interrupts; all are carried out new mapping through the reading writing harddisk operation of INT13h handle, give original BIOS interrupt vector INT13h then and carry out reading and writing data.Thereby, tackle and be replaced into operation to the working area with the read-write operation of computing machine to the protected location.Store master routine, CMOS data, the logo area data of this device in the specific region of protected location and restored the comparison data automatically.
The logo area data contains the mapping sign of corresponding logic hard disk sector and mapping hard disk sector, when the data of hard disk are carried out read-write operation, can tackle and replace the disk read-write interrupt vector, in the new interrupt vector witness marker district data mapping zone bit numerical value and user's authority calculate can read and write the physical location of hard disk sector, when mapping is masked as 0, can directly read logic hard disk sector position, and when mapping is masked as 1, can the mapping hard disk sector be read; When desiring to write data, need to write by mapping hard disk sector place; and mapping in season sign is made as 1 together; transfer to original BIOS interrupt vector then and carry out the practical operation of reading and writing data, and make each write activity all not undermine the logic hard disk sector, exempted from destruction with protection legacy data data.
Set up mapping hard disk sector or the backup hard disk sector hidden in the hard disk, operating position by logo area data logging hard disk, after finishing partitioned record, when next guidance system or the user-defined time, the partition table content that will write down according to the partition table information that is write down is written back to hard disk.Logo area has also write down the user mode of corresponding sector and has been mapped to the pointer of other logo area.If computer corruption or data are destroyed, no matter artificial still virus only need reinitialize logo area, remove mapping relations, can recover legacy data.
Hard disc data protector of the present invention further comprises: close the hard disk protection module for one, a hard disk protection zone bit and system's detection module.Fig. 1 shows the software installation procedure as the hard disc data protector of a preferred embodiment of the present invention, and wherein OS represents operating system.The wherein said hard disk protection module of closing is this hard disk protection zone bit assignment; Described system detection module was carried out before computer operating system loads and is detected; check the value of hard disk protection zone bit; as this value corresponding to closing hard disk protection; EOP (end of program) then; directly start computer operating system; corresponding to starting hard disk protection, (or loading) hard disk data protection module is installed then as this value.
Preferable, described hard disk data protection module further comprises a backup to be recovered module and selects to use for the user, and it backups to data on the hidden partition or other storage mediums in the hard disk in addition by the mode of compressing or do not compress.
Backup recovers module data is backuped on the hidden partition or other storage mediums in the hard disk by compression or the mode do not compressed, carries out data protection.The backup recovery technology is another kind of hard disk data protection and a recovery technology commonly used in the prior art; compared to interception and displacement disk read-write interrupt vector technology; although it is big to take hard drive space; resume speed is slow; but its compatibility is good; content choice is quite flexible, can freely be controlled by the user, backs up at particular category or specific file.Therefore preferably, be fit to use, select the backup content for user flexibility, or solve the compatibility issue that to run into interception and the collocation of displacement disk read-write interrupt vector technology.
At the Public Computer Room user or have the LAN subscriber of a plurality of computing machines, above design can have been satisfied the requirement of fast quick-recovery computer system of computer administrator and application of software data.For making things convenient for the keeper to recover on LAN (Local Area Network) more fast and computing machine being set, preferably, this device can further comprise the same transmission module of network.
And preferably, hard disc data protector of the present invention can further comprise a network management module, and it comprises a collection network mac address information module, is used for sending instruction to network, collects the mac address information on the LAN (Local Area Network); With an automatic distribution module in IP address, be used for the computing machine automatic IP address allocation on the trend LAN (Local Area Network).As an example, Fig. 2 shows a kind of strategy of automatic IP address allocation.Promptly press the login sequence of computing machine in the network, according to the IP address and the computer name that add computing machine in one algorithm computation and the distribution network automatically; And with the IP address assignment of distributing in the network on all computing machine.Thereby saved the dull repeatedly and very time-consuming IP address setting work of keeper.
Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, it is only unrestricted in order to explanation the present invention, can carry out various modifications or be equal to replacement embodiments of the invention according to principle of the present invention and spirit, and not breaking away from the spirit and scope of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (4)
1, a kind of hard disc data protector, comprise a hard disk data protection module, it intercepts and captures original BIOS interrupt vector INT13h, articulating new INT13h interrupts, all are carried out new mapping through the reading writing harddisk operation of INT13h handle, give original BIOS interrupt vector INT13h then and carry out reading and writing data; It is characterized in that further comprising: close the hard disk protection module for one, a hard disk protection zone bit and system's detection module; Wherein
The described hard disk protection module of closing is this hard disk protection zone bit assignment;
Described system detection module was carried out before computer operating system loads and is detected; check the value of hard disk protection zone bit; as this value corresponding to closing hard disk protection; EOP (end of program) then; directly start computer operating system; corresponding to starting hard disk protection, then install or load the hard disk data protection module as this value.
2, hard disc data protector as claimed in claim 1; it is characterized in that; described hard disk data protection module further comprises a backup to be recovered module and selects to use for the user, and it backups to data on the hidden partition or other storage mediums in the hard disk in addition by the mode of compressing or do not compress.
3, hard disc data protector as claimed in claim 1 is characterized in that further comprising a network management module, and it comprises a collection network mac address information module and the automatic distribution module in IP address.
4, hard disc data protector as claimed in claim 3 is characterized in that the automatic distribution module in described IP address, carries out following steps:
Setting network initial ip address and computer name;
Press the login sequence of computing machine in the network, according to the IP address and the computer name that add computing machine in one algorithm computation and the distribution network automatically;
With the IP address assignment of distributing in the network on all computing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02103895 CN1450459A (en) | 2002-04-10 | 2002-04-10 | Hard disc data protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02103895 CN1450459A (en) | 2002-04-10 | 2002-04-10 | Hard disc data protector |
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| Publication Number | Publication Date |
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| CN1450459A true CN1450459A (en) | 2003-10-22 |
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| CN 02103895 Pending CN1450459A (en) | 2002-04-10 | 2002-04-10 | Hard disc data protector |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1324422C (en) * | 2005-03-31 | 2007-07-04 | 联想(北京)有限公司 | Method for controlling computer system protection |
| CN100383759C (en) * | 2004-02-25 | 2008-04-23 | 昊亚科技股份有限公司 | Multiple point dynamic restoring system for entire hard disk and method |
| CN100392593C (en) * | 2006-05-12 | 2008-06-04 | 张健 | Method for protecting hard disk last partition |
| CN101201803B (en) * | 2006-12-14 | 2010-05-19 | 英业达股份有限公司 | Method for protecting data of hard disk |
| CN103294971A (en) * | 2012-10-17 | 2013-09-11 | 西安晨安电子科技有限公司 | Method for realizing burglary prevention and data protection of hard disk |
| CN107665157A (en) * | 2017-09-21 | 2018-02-06 | 成都领沃网络技术有限公司 | It is a kind of to improve the method without the experience of disk speed |
-
2002
- 2002-04-10 CN CN 02103895 patent/CN1450459A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100383759C (en) * | 2004-02-25 | 2008-04-23 | 昊亚科技股份有限公司 | Multiple point dynamic restoring system for entire hard disk and method |
| CN1324422C (en) * | 2005-03-31 | 2007-07-04 | 联想(北京)有限公司 | Method for controlling computer system protection |
| CN100392593C (en) * | 2006-05-12 | 2008-06-04 | 张健 | Method for protecting hard disk last partition |
| CN101201803B (en) * | 2006-12-14 | 2010-05-19 | 英业达股份有限公司 | Method for protecting data of hard disk |
| CN103294971A (en) * | 2012-10-17 | 2013-09-11 | 西安晨安电子科技有限公司 | Method for realizing burglary prevention and data protection of hard disk |
| CN107665157A (en) * | 2017-09-21 | 2018-02-06 | 成都领沃网络技术有限公司 | It is a kind of to improve the method without the experience of disk speed |
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