Case:The customer’s HP notebook cannot enter the system, and there is a problem with the hard disk for maintenance and detection. Now it is necessary to restore the data in the hard disk. Solution:First use the PC3000-UDMA to scan, and find that there are a large number of bad sectors in the hard disk guidance…
1. An access control method for a hard disk, comprising the steps of: (A) partitioning the hard disk into primary and secondary partitions; (B) in response to a write command from a host terminal for storing write data in an addressable space found in the primary partition of the hard disk, (i) creating a recovery file that includes a write time, an address of the addressable space, and recover information including a starting data found in the addressable space of the hard disk during the write time, and (ii) storing the write data in the primary partition at the address of the addressable space, and the recovery file in the secondary partition; and (C) in response to a recover command from the host terminal, (a) retrieving the recovery files from the secondary partition, the write time in each of the retrieved recovery files being not earlier than a recovery time associated with the recover command, and (b) based on the contents of the recovery files retrieved in sub-step (a), restoring the primary partition to the starting data initially found therein during the recovery time.
2. The method of claim 1, wherein, in sub-step (ii), the address of the addressable space, the write data and the recovery file are stored in a buffer prior to storage in the hard disk.
3. The method of claim 1, wherein the recover information further includes the write data.
4. The method of claim 1, wherein, in sub-step (b), restoring of the primary partition is performed in a chronological order of the write times in the retrieved recovery files starting from one of the retrieved recovery files having a latest write time.
5. The method of claim 1, further comprising the step of reporting a total storage capacity of the hard disk as being equal to that of the primary partition in response to a capacity inquiry command from the host terminal.
6. An access control module for a hard disk that is partitioned into primary and secondary partitions, said access control module being responsive to write and recover commands from a host terminal, and comprising: a processor; a first interface adapted to connect said processor to the host terminal; a second interface adapted to connect said processor to the hard disk; a command interpreter coupled to said first interface for interpreting the write and recover commands; and a recovery file creator coupled to said processor and said command interpreter; wherein, in response to the write command for storing write data in an addressable space found in the primary partition of the hard disk, said command interpreter enables said recovery file creator to create a recovery file that includes a write time, an address of the addressable space, and recover information including a starting data found in the addressable space of the hard disk during the write time, and further enables said processor to store the write data in the primary partition at the address of the addressable space, and the recovery file in the secondary partition; and wherein, in response to the recover command from the host terminal, said command interpreter enables said processor to retrieve the recovery files from the secondary partition, the write time in each of the retrieved recovery files being not earlier than a recovery time associated with the recover command, and based on the contents of the recovery files retrieved by said processor, to restore the primary partition to the starting data initially found therein during the recovery time.
7. The access control module of claim 6, further comprising a buffer coupled to said processor, said processor storing the address of the addressable space, the write data and the recovery file in said buffer prior to storage in the hard disk.
8. The access control module of claim 6, wherein the recover information further includes the write data.
9. The access control module of claim 6, wherein said processor restores the primary partition in a chronological order of the write times in the retrieved recovery files starting from one of the retrieved recovery files having a latest write time.
Case:The U disk partition is not careful formatting, and the data is not stored in the U disk after formatting Solution:Data recovery engineers use professional devices to perform mirror operations of the U disk, and to restore the file system of the U disk by manually analyzing the mirror file to restore the data.
HDD Printed circuit board (PCB) with board number 100809471 is usually used on these Seagate hard disk drives: ST1000LM035, ZDE, TK, PN 1RK172-286, FW SDM2, Seagate 1TB SATA 2.5″ Hard Drive; ST1000LM035, WDE, WU, PN 1RK172-021, FW RSM7, Seagate 1TB SATA 2.5″ Hard Drive; ST1000LM049, WGS, WU, PN 2GH172-500, FW SDM1, Seagate 1TB SATA 2.5″…
HDD Printed circuit board (PCB) with board number 2060-701314-001 is usually used on these Western Digital hard disk drives: WD3000JB-00KFA0, DCM DSBACTJCA, Western Digital 300GB IDE 3.5 Hard Drive; WD3200JB-00KFA0, DCM DSBHCAJCH, Western Digital 320GB IDE 3.5 Hard Drive The 2060-701314-001 Western Digital PCB repair process can usually be divided into 2 steps: find a…
Case:The Linux server of a company’s customer, one mistake, causes a certain number of hanging directory to be deleted by mistake, causing a large amount of data to be lost. The customer wants to restore the website picture material. Solution:The file type provided by the engineer to the customer, through the use of professional data…
Case:When the customer uses the computer normally, when the logic partition D is turned on D drive, the “file system is damaged””
Case:Mr. Chen described the hard disk in the Lenovo brand machine. During the use process, the property company suddenly power out. After calling, the computer entered the Win7 system very slowly. After half an hour of entering the system, the files inside were very slow, so Chen Chen, so Chen Chen, so Chen Chen, Chen,…
Case:Data recovery personal customers in the morning and the computer could not enter the system. After detecting the inspection, it was found that the hard disk was not recognized on the motherboard; searching for data on the Internet to recover, and found your company, hoping to restore the data as soon as possible. Solution:Recovery process:…
LAKE FOREST, Calif. and MANAUS, Brazil – Oct. 14, 2010 – Western Digital today announced that the company will begin hard drive manufacturing operations in Brazil, positioning the company to more effectively meet customer demand in this rapidly growing market and adding a key element to WD’s global supply chain infrastructure.
To maintain the highest levels of quality and lowest cost, WD will be partnering with local Brazilian electronics manufacturing leader Digitron to perform manufacturing operations and fulfillment services. Digitron’s high-volume notebook PC assembly and motherboard manufacturing plant in the Manaus Free Trade Zone is being utilized for WD’s products. This facility has existing infrastructure, a highly skilled workforce and a seasoned management team.
“The strategic decision to expand our global manufacturing operations into Brazil positions WD to more efficiently meet growing customer demand as we invest in the development of this key market, Continued investments in large high-growth markets like Brazil, markets with developing infrastructures, strong underlying economics and an important customer base, will further solidify WD’s industry leadership. The new operations are part of a multi-year project to strengthen and diversify WD’s manufacturing base while increasing our footprint in one of the world’s most exciting markets.” – said Tim Leyden, WD’s chief operating officer. ”
The venture is expected to produce an estimated US$175 million worth of hard drives in its first year of operation and at least 50 new jobs in the region.
“We’re extremely proud to have been selected to be a part of WD’s manufacturing strategy in the country,this allows us to utilize our local knowledge and infrastructure with access to WD’s extensive hard drive manufacturing expertise to provide high-quality, competitive products to customers.” – said Sung Un Song, chief executive officer of Digitron.
“The new operation will help WD streamline its supply chain to Brazilian OEM and distribution partners and greatly strengthen its ability to meet the explosive growth of storage demand in the country,We expect significant improvements in turnaround time and service for our customers in Brazil. Initial customer shipments are planned by the end of October.” – commented Scott Davis, WD’s vice president of worldwide channel sales.
