Data recovery: useful tips

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b2ap3_thumbnail_iStock_000006762742XSmall_20131211-175015_1.jpgAll drives:

If data or logical partition was accidentally deleted, or drive was formatted, etc. - do not write any data to the drive. It is recommended to turn it off, since operating system may write some information to the drive regardless of user's actions. If you are an experienced user, you may try to recover data with the help of data recovery tools, but be careful, never attempt to recover data to the same drive, use another drive to save the recovery results.

While working with external drives (USB flash, external disks, memory cards) make sure to use safe removal of device because the majority of failures occur due to improper removal of devices from the computer.

HDD (all types of hard disk drives):

If a hard disk fell or was subjected to physical impact, do not connect the power cable to it.

If disk emits strange sounds, skirrs, clicks, etc., it should be immediately disconnected from power outlet.

It is not recommended to perform testing of failed hard disk drives with the help of software.

Memory cards and flash cards:

If USB flash or memory card is seen as a zero-sized drive or as an unknown device, then, most probably drive's controller circuit has failed. Internet has a lot of tools and software to mend this problem. But be careful because in 90% of cases when such methods were applied the recovery is not possible. And if data is really important, then you should not apply this procedure to your hard disk drive.

RAID arrays of all levels:

In case one of the array disks fails and it was subsequently replaced with another one, you should not interrupt array's rebuild procedure. Also, during the array rebuild procedure you should not swap positions of hard disk drives.

If you use RAID 1 array (mirroring) or its analogues, be careful and follow disks' functionality and timely replace failed hard disk drives.

Date recovery process unfortunately is not some magic trick, to the contrary, it is a consistent, technically difficult process and its success depends a lot on the drive's condition and actions performed on and with it.

Last modified on Tuesday, 19 May 2015 16:54
Data Recovery Expert

Viktor S., Ph.D. (Electrical/Computer Engineering), was hired by DataRecoup, the international data recovery corporation, in 2012. Promoted to Engineering Senior Manager in 2010 and then to his current position, as C.I.O. of DataRecoup, in 2014. Responsible for the management of critical, high-priority RAID data recovery cases and the application of his expert, comprehensive knowledge in database data retrieval. He is also responsible for planning and implementing SEO/SEM and other internet-based marketing strategies. Currently, Viktor S., Ph.D., is focusing on the further development and expansion of DataRecoup’s major internet marketing campaign for their already successful proprietary software application “Data Recovery for Windows” (an application which he developed).


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