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Data recovery during almost 10 years of development in China, has already saved a lot of economic losses for the government, companies and even personal computer users, which has made indelible contributions to data security. Data recovery industry has been growing up with the development of HDD, USB flash disk and other data storage technologies. In the year of 2010, data recovery industry has a lot of powerful achievements, now we are going to select 10 most representative creative data recovery technologies.
1.
Seagate Barracuda 11, 12 HDD is absolutely the protagonist of 2010’s HDD market, according to the Investigation, for the Seagate faulty disks, the ‘unstable heads’ has taken up a large proportion of the Seagate drive failures. It’s now possible to image & read by selective heads for Seagate Barracuda 11, 12 HDD, It can not only disable the damaged Head, read the data though other good heads directly, prevent changing the head by opening the HDD, save the cost, but can also judge which head has been damaged by using this new technology.
2. Western digital SA boot from either primary or secondary head
Western digital HDD firmware data recovery technology has increased the success rate a lot by using the new technology which is created in October 2010. Though this technology it can emulate a firmware area, only use a little firmware to initialization, read data area in the disk directly. As we all know firmware is the important key to boot the drives, SALVATIONDATA was the first one to create the SA Emulation, after many times of upgrade, and the function is becoming stronger. In the year 2010 SALVATIONDATA has successfully solved the problem of ROYL HDD which cannot be loaded when the head is damaged.
3. SAS &SCSI hard drive firmware repair and recovery technology
SAS and SCSI hard drives are mainly used in the medium and high grade servers and workstations. They have features of wide application, multiple tasks, big broadband, low CPU usage, hot plug, etc with good performance and stability.
Firmware corruption within SAS or SCSI drives is one hot potato for server data recovery. Recently SalvationDATA has worked out one intelligent server disks’ firmware repair and recovery technology which is one click away to get the data back. This technology fixes errors like ‘With model number but without capacity’, ‘a lot of bad sectors’, ‘Medium Error reported in the SAS card’, ’03 error reported by the Sense key’, ‘inaccessible to SA by using Windex or full display of ! by using MHDD’ and other kind of firmware malfunctions.
4. Real time data view on the fly of image
During the image of data recovery, because we cannot view the data in real time, sometimes we may not see the whole data but waste our time imaging some useless data. After this technology is discovered we can watch during the image data is copying so that we can judge if the image is necessary, saving the customer’s time.
5. Automatically array reconstruction for Server disks
Server disks are used widely by the government, big companies because of its stability, safety and high capacity, however because of the complex environment and the server’s technical problems, the server’s errors happen frequently.
For example, server disks’ data normally separated in to different disks, if there are a lot of disks errors at the same time, the whole server is unable to operate anymore, At this time the data need to be combined, for the big capacity, multi-disks server combine data recovery is not only big workload but also very difficult to analyze. But when the server disks’ automatically array reconstruction technology appeared in 2010 it can automatically analyze the storage orders, data structure, etc which increases the success rate and save the recovery time. It is the revolutionary technology in the industry.
6, HDD firmware Read & write data recovery technology for Seagate Barracuda 11, 12
In December 2010, SALVATIONDATA Seagate doctor was upgraded and now support the Seagate barracuda firmware read and write for data recovery, fixing the Seagate barracuda 11, 12 HDD’s data loss because of the firmware faults.
7, Sector interleave between channels for flash data recovery technology
Flash data recovery’s sector exchange between channels includes logical sector exchange and physical sector exchange. Logical exchange is normally for the multi-channels, blocks of the same ID between different channels are in an interleaving storage status in 512 bytes. Like the picture below:
But this kind of sector interleave must be used when we can find obvious ID. Sector logical interleave is to interleave with blocks of the same ID and you don’t need to consider the physical position of blocks between channels.
For physical sector interleave between different channels, it’s data area interleave in 512 bytes according to the physical position while you don’t need to consider if the ID of each page is the same, like the picture below:
There’re two methods for physical sector interleave between channels: Channel First and Device First. Channel First refers to the interleave between different chips with the same channel ID. Device First refers to the interleave of different channels of the first chip and the continue with the interleave of the second chip. For flash drives with single chip, ‘Channel First’ will be your choice.
8, Collect Data In Blocks For Flash Drives technology
To collect data in blocks refers to the data block collection by physical orders and have the first page’s data management area as the data management area of the whole block.
It is to minimize the data loss by using this way of data collection but it is also possible to collect some useless data which may affect the data integrity. Usually we use data collection in blocks when we cannot find obvious page ID information.
9, High-speed faulty drives’ image
It’s difficult to image faulty hard drives with a lot of defects and we usually find the imaging process gets frozen, interrupted or you may get incomplete images. SalvationDATA has worked out the latest high-speed faulty drives’ image technology and it improves the success rate and meanwhile the efficiency of imaging faulty drives.
High-speed faulty drives’ image is able to read data in six ways in the shortest time, even the disks have serious bad sectors or have head clicking noises, it can still have 300% more chance to image the complete data than traditional technologies.
10. Fast and precise flash data recovery technology
The newly released fast and precise flash data recovery technology increase further the success rate of recovering flash memories. It’s possible you cannot access to the files but only see the partition or root directory information even if you have used the correct algorism. This is due to the flash data storage which is not successive. “Fast Sector fix” data recovery technology is able to record the cluster number and the size of each document under the primary directory, and search the files in the secondary menu. This technology is able to solve the problem the cluster is unable to align between the primary and the secondary menu.
But “Deep Sector fix” data recovery technology use the menu to record every file’s size and creation date, and mark them, and remanufacture the data. Sector deep fix recovery technology is mainly used in fix Office files and unique image files like NIKON.OLYPUS etc.
Conclusion: the technology of data recovery keep growing and provide technical support for the DR companies, the competition of China’s market keep growing up, the vice-president of SalvationDATA Mr. Zhang said, in the year 2010, data recovery technology still focus on the investigation of personal hard disk, flash memory and other kinds of storage devices’ data recovery, in the future the data recovery technology industry is going to focus on server SAS, SCSI, HDD data recovery, SSD hard disks data recovery, flash memory recover.
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