CN104765658B - Western number hard disc physical problem causes the data reconstruction method of parameter identification mistake - Google Patents
Western number hard disc physical problem causes the data reconstruction method of parameter identification mistake Download PDFInfo
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- CN104765658B CN104765658B CN201510217523.6A CN201510217523A CN104765658B CN 104765658 B CN104765658 B CN 104765658B CN 201510217523 A CN201510217523 A CN 201510217523A CN 104765658 B CN104765658 B CN 104765658B
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Abstract
The invention discloses the data reconstruction method that a kind of western number hard disc physical problem causes parameter identification mistake, belong to data recovery technique field, comprise the following steps：001 obtains the ROM file on the circuit board of faulty disk；002 writes the ROM file got in the ROM file on the circuit board of accessory tray, and wherein the circuit board number of accessory tray and faulty disk must be identical；003 circuit board that will be written with the accessory tray of the ROM file of faulty disk, which is connected on the disk body of faulty disk, carries out data recovery.Beneficial effects of the present invention：ROM file can be generated from disk body, and the firmware generated needed for ROM file is obtained by heat exchange, the problem of parameter identification mistake can be effectively caused to western number hard disc physical problem carries out data recovery.
Description
Technical field
The invention belongs to data recovery field, and in particular to a kind of western number hard disc physical problem causes parameter identification mistake
Data reconstruction method.
Background technology
Due to being deposited in the FLASH storage chips (also referred to as ROM) on circuit board comprising distributed intelligence, the magnetic for specifying magnetic head
Head number, the information such as disc number, so FLASH chip is very important in western number hard disk.Only need to one piece of circuit board and (be free of disk
Body), computer can recognize the model of hard disk after a certain time.
If western number hard disk improper use normally results in circuit board failure, led if the element on circuit board is burnt out
Open circuit is caused, then hard disk, which will occur, can not act the phenomenon turned；If the reading of rom chip is broken down, hard disk is being shown as just
Chang Qizhuan, it is ready, but abnormal parameters occur when disk is recognized, capacity is abnormal, can not access sector this when.
Because the phenomenon for striking disk then occurs in the not former disk of rom chip, just there is the danger that magnetic head is damaged；If ROM cores
The data entanglement that piece is damaged in either rom chip, then swap rom chip also not when circuit board is changed
Problem can be solved.
In summary, the correct ROM file for obtaining former disk is the key of data recovery.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of western number hard disc physical problem causes parameter identification mistake
Data reconstruction method, can effectively solve the problems, such as that western number hard disc physical causes parameter to recognize that mistake can not effectively carry out data extensive
Multiple the problem of.
To solve problem above, the technical solution adopted by the present invention is as follows：A kind of western number hard disc physical problem causes parameter
The data reconstruction method of mistake is recognized, is comprised the following steps：
001 obtains the ROM file on the circuit board of faulty disk；
002 writes the ROM file got in the ROM file on the circuit board of accessory tray, wherein accessory tray and failure
The circuit board number of disk must be identical；
003 circuit board that will be written with the accessory tray of the ROM file of faulty disk is connected to the enterprising line number of disk body of faulty disk
According to recovery.
Preferably,
001 comprises the following steps：
If 101 hard disks have done backup to the ROM file of hard disk when normally using and branched to end, otherwise go to
102；
102 check on circuit board that (PCB) whether there is rom chip, if rom chip, then go to 104, otherwise go to
103；
103 generate new ROM file according to the firmware in hard disk；
104 are removed from circuit board rom chip using heat gun or flatiron；
105 are put into rom chip the data read on programmable device in chip；
106 read and successfully then terminate, and otherwise go to 103.
Preferably,
103 comprise the following steps：
1031 read former disks 0102,0103,0105,0107,0,109 5 log patterns；
1032 open 0109 module with binary editor respectively, read 2 bytes that offset address 0x06 starts, this 2
The starting position of individual byte representation valid data, generates a new ROM file from this address start to finish, and will
0102nd, the valid data write-in in 0103,0105,0107 module, generates new ROM file, with 12 bytes before valid data
The value of last 2 bytes in identical place, 12 bytes of write-in, unit is sector.
As preferred：
104 comprise the following steps：
1041 access hard disk firmwares, end is gone to if it directly can read firmware, 1042 are otherwise gone to；
1042 find model and circuit board number all identical hard disks as accessory tray, are at ready state；
1043 stop the power supply to motor by hard drive internal interrupt instruction, motor is in the state of stalling；
After 1044 treat that motor is stalled, the circuit board of accessory tray is connected in the case of powered with the disk body of faulty disk；
1045 recover the power supply to motor, wait faulty disk to enter ready state；
The track data of 1046 read failure disks is simultaneously written in ROM file.
1047 search for 524F594C from track file, and 4 bytes are moved rearwards by after finding, if 0201,0301,
0501st, 0701,0901, then the value for reading 2 bytes next is the size as module, and unit is sector, is made with 524F594C
To start, the data of module are parsed.
As preferred：
002 comprises the following steps：
201 find that a circuit board number is identical and rom chip is not integrated in circuit board in main control chip, watch ROM
The model of chip judges whether this chip is writeable, goes to 202 if not writeable, writeable to go to 204；
202 remove this rom chip using heat gun or flatiron；
203 are welded on the rom chip of former disk on the circuit board of accessory tray, that is, complete the write-in to ROM；
204 write the ROM file of former disk in the rom chip on accessory tray circuit board.
Beneficial effects of the present invention are as follows：The present invention can generate ROM file from disk body, and obtain life by heat exchange
The firmware needed into ROM file, the problem of parameter identification mistake can be effectively caused to western number hard disc physical problem enters line number
According to recovery.
Brief description of the drawings
Fig. 1 is the main flow chart that data recovery is carried out for not identified hard disk；
Fig. 2 is 001 acquisition ROM flow charts；
Fig. 3 generates ROM flow charts for 103 from disk body；
Fig. 4 is 1031 reading firmware module flow charts；
Fig. 5 be 002 write ROM to the circuit board of matching flow chart.
Embodiment
For the objects, technical solutions and advantages of the present invention are more clearly understood, develop simultaneously embodiment referring to the drawings, right
The present invention is described in further details.
A kind of western number hard disc physical problem causes the data reconstruction method of parameter identification mistake, as shown in figure 1,
001 obtains the ROM file on the circuit board of faulty disk；
002 writes the ROM file got in the ROM file on the circuit board of accessory tray, wherein accessory tray and failure
The circuit board number of disk must be identical；
003 circuit board that will be written with the accessory tray of the ROM file of faulty disk is connected to the enterprising line number of disk body of faulty disk
According to recovery.
As shown in Fig. 2 001 comprises the following steps：
If 101 hard disks have done backup to the ROM file of hard disk when normally using and branched to end, otherwise go to
102；
102 check on circuit board that (PCB) whether there is rom chip, if rom chip, then go to 104, otherwise go to
103；
103 generate new ROM file according to the firmware in hard disk；
104 are removed from circuit board rom chip using heat gun or flatiron；
105 are put into rom chip the data read on programmable device in chip；
106 read and successfully then terminate, and otherwise go to 103.
As shown in figure 3,103 comprise the following steps：
1031 read former disks 0102,0103,0105,0107,0,109 5 log patterns；
1032 open 0109 module with binary editor respectively, read 2 bytes that offset address 0x06 starts, this 2
The starting position of individual byte representation valid data, generates a new ROM file from this address start to finish, and will
0102nd, the valid data write-in in 0103,0105,0107 module, generates new ROM file, with 12 bytes before valid data
The value of last 2 bytes in identical place, 12 bytes of write-in, unit is sector.
As shown in figure 4,104 comprise the following steps：
1041 access hard disk firmwares, end is gone to if it directly can read firmware, 1042 are otherwise gone to；
1042 find model and circuit board number all identical hard disks as accessory tray, are at ready state；
1043 stop the power supply to motor by hard drive internal interrupt instruction, motor is in the state of stalling；
After 1044 treat that motor is stalled, the circuit board of accessory tray is connected in the case of powered with the disk body of faulty disk；
1045 recover the power supply to motor, wait faulty disk to enter ready state；
The track data of 1046 read failure disks is simultaneously written in ROM file.
1047 search for 524F594C from track file, and 4 bytes are moved rearwards by after finding, if 0201,0301,
0501st, 0701,0901, then the value for reading 2 bytes next is the size as module, and unit is sector, is made with 524F594C
To start, the data of module are parsed.
As shown in figure 5,002 comprises the following steps：
201 find that a circuit board number is identical and rom chip is not integrated in circuit board in main control chip, watch ROM
The model of chip judges whether this chip is writeable, goes to 202 if not writeable, writeable to go to 204；
202 remove this rom chip using heat gun or flatiron；
203 are welded on the rom chip of former disk on the circuit board of accessory tray, that is, complete the write-in to ROM；
204 write the ROM file of former disk in the rom chip on accessory tray circuit board.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright implementation, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.Ability
The those of ordinary skill in domain can be made according to these technical inspirations disclosed by the invention it is various do not depart from essence of the invention its
Its various specific deformations and combination, these deformations and combination are still within the scope of the present invention.
Claims (3)
1. a kind of western number hard disc physical problem causes the data reconstruction method of parameter identification mistake, it is characterised in that including following
Step：
001 obtains the ROM file on the circuit board of faulty disk；
002 writes the ROM file got in the ROM file on the circuit board of accessory tray, wherein accessory tray and faulty disk
Circuit board number must be identical；
The enterprising row data of disk body that 003 circuit board that will be written with the accessory tray of the ROM file of faulty disk is connected to faulty disk are extensive
It is multiple；
Described 001 comprises the following steps：
If 101 hard disks have done backup to the ROM file of hard disk when normally using and branched to end, 102 are otherwise gone to；
102 check on circuit board with the presence or absence of rom chip, if rom chip, then go to 104, otherwise go to 103；
103 generate new ROM file according to the firmware in hard disk；
104 are removed from circuit board rom chip using heat gun or flatiron；
105 are put into rom chip the data read on programmable device in chip；
106 read and successfully then terminate, and otherwise go to 103；
Described 103 comprise the following steps：
1031 read former disks 0102,0103,0105,0107,0,109 5 log patterns；
1032 open 0109 module with binary editor respectively, read 2 bytes that offset address 0x06 starts, this 2 words
Section represents the starting position of valid data, generates a new ROM file from this address start to finish, and by 0102,
0103rd, the valid data write-in in 0105,0107 module, generates new ROM file, with 12 byte identicals before valid data
The value of last 2 bytes in place, 12 bytes of write-in, unit is sector.
2. according to the method described in claim 1, it is characterised in that 104 comprise the following steps：
1041 access hard disk firmwares, end is gone to if it directly can read firmware, 1042 are otherwise gone to；
1042 find model and circuit board number all identical hard disks as accessory tray, are at ready state；
1043 stop the power supply to motor by hard drive internal interrupt instruction, motor is in the state of stalling；
After 1044 treat that motor is stalled, the circuit board of accessory tray is connected in the case of powered with the disk body of faulty disk；
1045 recover the power supply to motor, wait faulty disk to enter ready state；
The track data of 1046 read failure disks is simultaneously written in ROM file；
1047 search for 524F594C from track file, and 4 bytes are moved rearwards by after finding, if 0201,0301,0501,
0701st, 0901, then the value for reading 2 bytes next is the size as module, and unit is sector, using 524F594C as opening
Begin, parse the data of module.
3. according to the method described in claim 1, it is characterised in that 002 comprises the following steps：
201 find that a circuit board number is identical and rom chip is not integrated in circuit board in main control chip, watch rom chip
Model judge whether this chip writeable, go to 202 if not writeable, it is writeable to go to 204；
202 remove this rom chip using heat gun or flatiron；
203 are welded on the rom chip of former disk on the circuit board of accessory tray, are considered as the write-in completed to ROM；
204 write the ROM file of former disk in the rom chip on accessory tray circuit board.
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| CN201510217523.6A CN104765658B (en) | 2015-04-30 | 2015-04-30 | Western number hard disc physical problem causes the data reconstruction method of parameter identification mistake |
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| CN111124758A (en) * | 2019-12-26 | 2020-05-08 | 厦门市美亚柏科信息股份有限公司 | Data recovery method for failed hard disk |
| CN112379907A (en) * | 2020-11-25 | 2021-02-19 | 厦门市美亚柏科信息股份有限公司 | Seagate hard disk heat exchange recovery method |
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| CN104143351A (en) * | 2014-07-26 | 2014-11-12 | 蔡敏灵 | Device for deep repairing bottom interfaces of Seagate hard disk and bottom communication method of Seagate hard disk |
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2015
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| US7627725B2 (en) * | 2006-09-22 | 2009-12-01 | Fujitsu Limited | Stored data processing apparatus, storage apparatus, and stored data processing program |
| CN102722429A (en) * | 2011-12-31 | 2012-10-10 | 江门市未来之星网络科技有限公司 | Processing system of hard disk maintenance equipment |
| CN104143351A (en) * | 2014-07-26 | 2014-11-12 | 蔡敏灵 | Device for deep repairing bottom interfaces of Seagate hard disk and bottom communication method of Seagate hard disk |
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Address after: 641000 Sichuan province Neijiang City Songshan Road No. 183 Applicant after: SICHUAN XLY INFORMATION SAFETY TECHNOLOGY CO., LTD. Address before: 641000 Sichuan province Neijiang City Songshan Road No. 183 Applicant before: Sichuan SalvationData Information Safety Technology Co., Ltd. |
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Inventor after: Liang Xiaoning Inventor after: Dong Chao Inventor after: Zhang Jiaqiang Inventor before: Liang Xiaoning |
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