CN103955437A - External data crushing and memory device regeneration device and method - Google Patents
External data crushing and memory device regeneration device and method Download PDFInfo
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- CN103955437A CN103955437A CN201410132130.0A CN201410132130A CN103955437A CN 103955437 A CN103955437 A CN 103955437A CN 201410132130 A CN201410132130 A CN 201410132130A CN 103955437 A CN103955437 A CN 103955437A
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Abstract
The invention discloses an external data crushing and memory device regeneration device and method. The regeneration device comprises a shell, a main board, a hard disc I and a hard disc II, wherein the main board, the hard disc I and the hard disc II are arranged in the shell; the hard disc I is a system hard disc of the regeneration device and is connected with the main board; the hard disc II is provided with a special maintenance system and takes charge of processing the maintenance of a memory device built in a target computer; the shell is provided with an external interface module which is used for receiving a target memory device. The method comprises the following steps of receiving a target memory device, performing CMOS (complementary metal oxide semiconductor) detection, firmware information device, disc face quality detection and performing arrangement and optimization on a hard disc of a target memory device with regular disc face quality. According to the external data crushing and memory device regeneration device and method, various memory devices can be subjected to data crushing, the automation of regeneration of the memory devices can be realized, and the operation is simple, fast and highly efficient.
Description
Technical field
The present invention relates to external data crushing and memory device reclaim equiment and method.
Background technology
Along with day by day popularizing of many electronic products such as mobile phone, MP4, computer, the electronic waste pollution problem bringing is thus also day by day serious.And in the electronic waste of the annual flood tide producing, have nearly seventy percent memory device to reclaim and recycling, the memory device of these reusable edibles specifically comprises: desktop computer hard disk, notebook hard disk, server hard disc, solid state hard disc, USB flash disk, storage card for digital camera, smart mobile phone RAM (random access memory) card, MP4 RAM (random access memory) card etc.In addition, for the memory device of some physical damage, as there is the hard disk of bad track, also can process and repair by regeneration, make it be unlikely to scrap.But, also do not have a kind of good instrument to carry out reliability detection, data crushing and Regeneration and Repair to discarded memory device at present, repair process complexity, regeneration cost is high, and then has limited the recovery utilization rate of memory device.
Summary of the invention
The problem existing for prior art, the object of the present invention is to provide a kind of external data crushing and memory device reclaim equiment and method, for realizing the robotization of data crushing and memory device regenerative process.
The technical solution used in the present invention is:
External data crushing and memory device reclaim equiment, comprise casing and be arranged on mainboard, hard disk one, the hard disk two in casing, wherein hard disk one is the system disk of this reclaim equiment, and it is connected with mainboard; Hard disk two is provided with special maintenance system, is responsible for the maintenance of the built-in memory device of processing target computer; On described casing, be provided with the external interface module for receiving target memory device, described external interface module comprises object computer connectivity port, target hard disk connectivity port, target USB memory device connectivity port, com interface; Described target hard disk connectivity port, target USB memory device connectivity port, com interface are connected with mainboard, and described object computer connectivity port is connected with hard disk two; Also comprise key-press module and display module, described key-press module is connected with mainboard respectively with display module.
External data crushing and memory device renovation process that the present invention also provides, described method comprises:
(1) receiving target memory device, carries out CMOS detection to target storage device, and testing result is presented on display module, point three kinds of situations:
(1.1) normally identification, directly enters step (2);
(1.2) None-identified and rest on CMOS always and detect picture, carries out logic lock release, after release success, enters step (2), if release is unsuccessful, carries out deep regenerative processing;
(1.3) None-identified and always rest on DOS picture, needs to carry out deep regenerative processing;
(2) target storage device is carried out to firmware information detection, detection is carried out data crushing to target storage device after passing through; Do not pass through if detect, carry out deep regenerative processing;
(3) target storage device that completes data crushing is carried out to card Quality Detection, concrete grammar is the time feedbacking value when detecting each sector of target storage device and carrying out readwrite tests, and testing result is divided following three kinds of situations:
(3.1) the time feedbacking value of all LBA (Logical Block Addressing) LBA values is all less than 150 milliseconds, represents that card quality is normal;
(3.2) the time feedbacking value of partial logic block address LBA value, in the interval of 150 milliseconds to 500 milliseconds, represents dangerous magnetic track, need enter dangerous magnetic track regeneration flow process, re-starts card Quality Detection after regeneration, if pass through, enters step (4); If do not pass through, adjust overtime setting and carry out degree of depth zero clearing, if also do not pass through card Quality Detection after degree of depth zero clearing, carry out deep regenerative processing;
(3.3) the time feedbacking value of partial logic block address LBA value, more than 500 milliseconds, represents to exist and damages magnetic track, enters and damages magnetic track regeneration flow process, re-starts card Quality Detection after regeneration, if pass through, enters step (4); If do not pass through, adjust parameter and carry out degree of depth zero clearing, if also do not pass through card Quality Detection after degree of depth zero clearing, carry out deep regenerative processing;
(4) disk of the normal target storage device of card quality is arranged and optimized, to improve the read or write speed of disk.
Further, in step (1), receive after memory device, also comprise according to the port of connected external interface module, select mode of operation.
Further, the described dangerous magnetic track regeneration flow process of step (3.2) specifically comprises:
Being less than the target storage device of 50 for only dangerous magnetic track and quantity carries out bad track and wipes;
The target storage device that is greater than 50 for only dangerous magnetic track and quantity is carried out zero clearing.
Further, the described damage magnetic track regeneration flow process of step (3.3) specifically comprises:
Normal for sector previous section, but from a certain LBA (Logical Block Addressing) LBA value, sector is below to damage magnetic track entirely, and appearance processing manually falls in the target storage device with front good rear bad problem;
For do not have front good after bad problem, carry out bad track shielding but damage the target storage device that bad track and quantity is less than 50;
For do not have front good after bad problem, carry out zero clearing but damage the target storage device that bad track and quantity is greater than 50.
Further, described deep regenerative process specifically comprise change circuit board, change circuit board interface, change magnetic head, change motor, rewrite ROM, subdue magnetic head number, repair firmware, LBA=0 is repaired in instruction, remove firmware lock, rebuild decoding table, process and increase defect map and P li st, harddisk password release, disk fall appearance, fall density, SF self-correcting reparation after reduction of speed, optimization.
In sum, the invention has the beneficial effects as follows:
(1) target hard disk is exempted from dismounting, can carry out communication by USB line and object computer and be connected, and the hard disk storage devices that object computer is built-in is carried out to data crushing or regeneration;
(2) regenerative process full automation, technical requirement is low, can remove the loaded down with trivial details operation of technician from; Can input control order by key-press module, direct control, simple and fast;
(3) can appearance manually be fallen to memory device by this reclaim equiment, sealing bad track region, and after guaranteeing regeneration, user cannot use the position of bad track.
Brief description of the drawings
Below in conjunction with accompanying drawing and example, the invention will be further described.
Fig. 1 is the structural representation of external data crushing of the present invention and memory device reclaim equiment;
Fig. 2 is the schematic flow sheet of external data crushing of the present invention and memory device renovation process.
Embodiment
With reference to Fig. 1, external data crushing of the present invention and memory device reclaim equiment, comprise casing and be arranged on mainboard, hard disk one, the hard disk two in casing, wherein hard disk one is the system disk of this reclaim equiment, and it is connected with mainboard; Hard disk two is provided with special maintenance system, is responsible for the maintenance of the built-in memory device of processing target computer; On described casing, be provided with the external interface module for receiving target memory device, described external interface module comprises object computer connectivity port, target hard disk connectivity port, target USB memory device connectivity port, com interface; Described target hard disk connectivity port, target USB memory device connectivity port, com interface are connected with mainboard, and described object computer connectivity port is connected with hard disk two; Also comprise key-press module and display module, described key-press module is connected with mainboard respectively with display module.
For various interface memory device, external interface module of the present invention is provided with multiple connectivity port, wherein object computer connectivity port can be connected with object computer by data line, utilize special special maintenance system directly the built-in hard disk storage devices of object computer to be keeped in repair, reach the object of exempting from unpacking dismounting; Target hard disk connectivity port is used for receiving common hard disc; Target USB memory device connectivity port is used for receiving the USB memory devices such as portable hard drive; Com interface, for setting up the transmission mode based on serial data with hard disk, builds deep regenerative passage, so that hard disk is carried out to bottom operation.
The memory device that reclaim equiment of the present invention is applicable to there is elementary regeneration fault carries out elementary regeneration, fault content that can elementary regeneration comprise read-write slow, cannot subregion, cannot format, cannot installation system, zero track damages, dangerous magnetic track, bad track, logic lock, appearance etc. is fallen, the method for maintaining of elementary regeneration comprises release, location regeneration growth defect map, hard disk zero clearing, falls appearance.
With reference to Fig. 2, external data crushing of the present invention and memory device renovation process, described method comprises:
(1) receiving target memory device, carries out CMOS detection to target storage device, and testing result is presented on display module, point three kinds of situations:
(1.1) normally identification, directly enters step (2);
(1.2) None-identified and rest on CMOS always and detect picture, carries out logic lock release, after release success, enters step (2), if release is unsuccessful, carries out deep regenerative processing;
(1.3) None-identified and always rest on DOS picture, needs to carry out deep regenerative processing;
(2) target storage device is carried out to firmware information detection, detection is carried out data crushing to target storage device after passing through; Do not pass through if detect, carry out deep regenerative processing;
(3) target storage device that completes data crushing is carried out to card Quality Detection, concrete grammar is the time feedbacking value when detecting each sector of target storage device and carrying out readwrite tests, and testing result is divided following three kinds of situations:
(3.1) the time feedbacking value of all LBA (Logical Block Addressing) LBA (Logical Block Address) value is all less than 150 milliseconds, represents that card quality is normal;
(3.2) the time feedbacking value of partial logic block address LBA value, in the interval of 150 milliseconds to 500 milliseconds, represents dangerous magnetic track, need enter dangerous magnetic track regeneration flow process, re-starts card Quality Detection after regeneration, if pass through, enters step (4), if do not pass through, adjust the parameter of overtime setting and carry out degree of depth zero clearing, described overtime being provided for limited the time of reading of hard disk magnetic track, when read cycle exceedes the parameter of overtime setting, system thinks that this magnetic track is defect magnetic track, write into and increase defect map (G-list), in the present embodiment, the overtime setting of common zero clearing is defaulted as 30, if dangerous magnetic track also after common zero clearing, overtime setting is turned down, for example overtime setting is transferred to 29, 28 carry out degree of depth zero clearing, if also do not pass through card Quality Detection after degree of depth zero clearing, carry out deep regenerative processing,
(3.3) the time feedbacking value of partial logic block address LBA value, more than 500 milliseconds, represents to exist and damages magnetic track, enters and damages magnetic track regeneration flow process, re-starts card Quality Detection after regeneration, if pass through, enters step (4); If do not pass through, adjust overtime setting and carry out degree of depth zero clearing, if also do not pass through card Quality Detection after degree of depth zero clearing, carry out deep regenerative processing;
(4) disk of the normal target storage device of card quality is arranged and optimized, to improve the read or write speed of disk.
Further, in step (1), receive after memory device, also comprise according to the port of connected external interface module, select mode of operation.
Further, the described dangerous magnetic track regeneration flow process of step (3.2) specifically comprises:
Being less than the target storage device of 50 for only dangerous magnetic track and quantity carries out bad track and wipes;
The target storage device that is greater than 50 for only dangerous magnetic track and quantity is carried out zero clearing.
Further, the described damage magnetic track regeneration flow process of step (3.3) specifically comprises:
Normal for sector previous section, but from a certain LBA (Logical Block Addressing) LBA value, sector is below to damage magnetic track entirely, and appearance processing manually falls in the target storage device with front good rear bad problem; The LBA (Logical Block Addressing) LBA value of specifically inputting the bad track section start of institute's mark, system is sealed bad track below automatically
For do not have front good after bad problem, carry out bad track shielding but damage the target storage device that bad track and quantity is less than 50;
For do not have front good after bad problem, carry out zero clearing but damage the target storage device that bad track and quantity is greater than 50, be specially all damage magnetic tracks carried out mark and wiped, make it add growth defect map.
It should be noted that, what the present invention adopted manually falls to hold with common subregion isolation bad track difference in essence: common subregion isolation bad track is to see the capacity of memory device originally in mainboard identification, in fact still there is user area in bad track, user still likely can use the position of bad track, and manually fall after appearance, in mainboard identification, it is exactly the capacity falling after appearance, the hard disk of for example 500G, after falling appearance, become 320G, mainboard identification is exactly 320G, makes like this user cannot have access to those defective sectors.
Further, described deep regenerative process specifically comprise change circuit board, change circuit board interface, change magnetic head, change motor, rewrite ROM, subdue magnetic head number, repair firmware, LBA=0 is repaired in instruction, remove firmware lock, rebuild decoding table, process and increase defect map and P li st (P-list), harddisk password release, disk fall appearance, fall density, SF self-correcting reparation after reduction of speed, optimization.
The key-press module of described reclaim equiment comprises numeric keypad, for inputting digital command, by selecting numerical key, can directly jump to corresponding program, carries out instruction.In the present embodiment, the instruction of each number keyboard representation is: 0. firmware information detects, 1. Quality Detection, 2. bad track shielding, 3. bad track is wiped, 4. zero clearing, is 5. manually fallen appearance, 6. logic lock release, 7. data crushing, 8. degree of depth zero clearing.
The above; only for preferably embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.
Claims (6)
1. external data crushing and memory device reclaim equiment, is characterized in that: comprise casing and be arranged on mainboard, hard disk one, the hard disk two in casing, wherein hard disk one is the system disk of this reclaim equiment, and it is connected with mainboard; Hard disk two is provided with special maintenance system, is responsible for the maintenance of the built-in memory device of processing target computer; On described casing, be provided with the external interface module for receiving target memory device, described external interface module comprises object computer connectivity port, target hard disk connectivity port, target USB memory device connectivity port, com interface; Described target hard disk connectivity port, target USB memory device connectivity port, com interface are connected with mainboard, and described object computer connectivity port is connected with hard disk two; Also comprise key-press module and display module, described key-press module is connected with mainboard respectively with display module.
2. application rights requires external data crushing and a memory device renovation process for equipment described in 1, it is characterized in that, described method comprises:
(1) receiving target memory device, carries out CMOS detection to target storage device, and testing result is presented on display module, point three kinds of situations:
(1.1) normally identification, directly enters step (2);
(1.2) None-identified and rest on CMOS always and detect picture, enters logic lock release flow process, after release success, enters step (2), if release is unsuccessful, carries out deep regenerative processing;
(1.3) None-identified and always rest on DOS picture, needs to carry out deep regenerative processing;
(2) target storage device is carried out to firmware information detection, detection is carried out data crushing to target storage device after passing through; Do not pass through if detect, carry out deep regenerative processing;
(3) target storage device that completes data crushing is carried out to card Quality Detection, concrete grammar is the time feedbacking value when detecting each sector of target storage device and carrying out readwrite tests, and testing result is divided following three kinds of situations:
(3.1) the time feedbacking value of all LBA (Logical Block Addressing) LBA values is all less than 150 milliseconds, represents that card quality is normal;
(3.2) the time feedbacking value of partial logic block address LBA value, in the interval of 150 milliseconds to 500 milliseconds, represents dangerous magnetic track, need enter dangerous magnetic track regeneration flow process, re-starts card Quality Detection after regeneration, if pass through, enters step (4); If do not pass through, adjust parameter and carry out degree of depth zero clearing, if can't pass through card Quality Detection after degree of depth zero clearing, carry out deep regenerative processing;
(3.3) the time feedbacking value of partial logic block address LBA value, more than 500 milliseconds, represents to exist and damages magnetic track, enters and damages magnetic track regeneration flow process, re-starts card Quality Detection after regeneration, if pass through, enters step (4); If do not pass through, adjust overtime setting and carry out degree of depth zero clearing, if can't pass through card Quality Detection after degree of depth zero clearing, carry out deep regenerative processing;
(4) disk of the normal target storage device of card quality is arranged and optimized, to improve the read or write speed of disk.
3. external data crushing according to claim 2 and memory device renovation process, is characterized in that, in step (1), receives after memory device, also comprises according to the port of connected external interface module, selects mode of operation.
4. external data crushing according to claim 2 and memory device renovation process, is characterized in that, the described dangerous magnetic track regeneration flow process of step (3.2) specifically comprises:
Being less than the target storage device of 50 for only dangerous magnetic track and quantity carries out bad track and wipes;
The target storage device that is greater than 50 for only dangerous magnetic track and quantity is carried out zero clearing.
5. external data crushing according to claim 2 and memory device renovation process, is characterized in that
,the described damage magnetic track regeneration flow process of step (3.3) specifically comprises:
Normal for sector previous section, but from a certain LBA (Logical Block Addressing) LBA value, sector is below to damage magnetic track entirely, and appearance processing manually falls in the target storage device with front good rear bad problem;
For do not have front good after bad problem, carry out bad track shielding but damage the target storage device that bad track and quantity is less than 50;
For do not have front good after bad problem, carry out zero clearing but damage the target storage device that bad track and quantity is greater than 50.
6. external data crushing according to claim 2 and memory device renovation process, it is characterized in that, described deep regenerative process specifically comprise change circuit board, change circuit board interface, change magnetic head, change motor, rewrite ROM, subdue magnetic head number, repair firmware, LBA=0 is repaired in instruction, remove firmware lock, rebuild decoding table, process and increase defect map and P li st, harddisk password release, disk fall appearance, fall density, SF self-correcting reparation after reduction of speed, optimization.
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| CN104375909A (en) * | 2014-11-14 | 2015-02-25 | 江门市未来之星网络科技有限公司 | Samsung 3.5-inch hard disk horizontal-pushing type data detecting device and method |
| CN104375919A (en) * | 2014-11-14 | 2015-02-25 | 江门市未来之星网络科技有限公司 | Horizontal pushing type data detection device and detection method of Seagate 2.5-inch hard disk |
| CN104375917A (en) * | 2014-11-14 | 2015-02-25 | 江门市未来之星网络科技有限公司 | Samsung 2.5-inch hard disk horizontal-pushing type data detecting device and method |
| CN104376854A (en) * | 2014-11-14 | 2015-02-25 | 江门市未来之星网络科技有限公司 | Flat-push-type bottom layer communication device of 3.5-inch Seagate hard disk and bottom layer communication method of flat-push-type bottom layer communication device |
| CN104375918A (en) * | 2014-11-14 | 2015-02-25 | 江门市未来之星网络科技有限公司 | Horizontal pushing type data detection device and detection method of western digital 3.5-inch hard disk |
| CN104391772A (en) * | 2014-11-14 | 2015-03-04 | 江门市未来之星网络科技有限公司 | Western digital 2.5-inch hard disk horizontal pushing type data detection equipment and detection method |
| CN104407955A (en) * | 2014-11-14 | 2015-03-11 | 江门市未来之星网络科技有限公司 | Seagate 3.5-inch hard disc horizontal-push-type data detecting equipment and detecting method |
| CN104536854A (en) * | 2014-11-29 | 2015-04-22 | 江门市未来之星网络科技有限公司 | Seagate hard disk firmware fault deep detection device and detection method thereof |
| CN107015877A (en) * | 2017-03-14 | 2017-08-04 | 唐山钢铁集团有限责任公司 | A kind of recycling method of the RAID disk with physical bad track |
| CN107292187A (en) * | 2016-04-07 | 2017-10-24 | 大唐网络有限公司 | The quick automatic flow control method for realizing that file is crushed and owner's information is cleaned completely in mobile phone removal process |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104375909A (en) * | 2014-11-14 | 2015-02-25 | 江门市未来之星网络科技有限公司 | Samsung 3.5-inch hard disk horizontal-pushing type data detecting device and method |
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| CN104407955A (en) * | 2014-11-14 | 2015-03-11 | 江门市未来之星网络科技有限公司 | Seagate 3.5-inch hard disc horizontal-push-type data detecting equipment and detecting method |
| CN104536854A (en) * | 2014-11-29 | 2015-04-22 | 江门市未来之星网络科技有限公司 | Seagate hard disk firmware fault deep detection device and detection method thereof |
| CN107292187A (en) * | 2016-04-07 | 2017-10-24 | 大唐网络有限公司 | The quick automatic flow control method for realizing that file is crushed and owner's information is cleaned completely in mobile phone removal process |
| CN107015877A (en) * | 2017-03-14 | 2017-08-04 | 唐山钢铁集团有限责任公司 | A kind of recycling method of the RAID disk with physical bad track |
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