Wednesday, 27 May 2015 00:00

How to recover RAID 0

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b2ap3_thumbnail_iStock_000015492959XSmall.jpgRAID 0 arrays imply the process of data striping, i.e. variable recording of part of data to each drive of the array.

It does not have redundancy or data backup. Each drive contains unique data that are absent on other hard disk drives of RAID 0 array.

Although zero level array features highest data transfer rate it has some disadvantages as well. One of them is a minimum security of data storage. That is why quite often users of this array ask question on how to recover RAID 0. In view of the low level of security this type of organization of disk array is recommended to be used only for those tasks that require processing of huge amounts of data and the key factor in it is data transfer rate. In all other cases, especially when working with important data, it is better to avoid using this type of array, since high speed under huge volumes does not cover the risk of data loss due to low reliability of RAID 0.

The level of reliability of disk drives in this type of array plays the utmost role. In order to make RAID 0 array, one will have to use only those hard disk drives that are designed specifically to work as part of an array (raid edition disks). Disk drives that are not designed to work in an array may substantially differ in terms of such parameters as read/write speed and seek time. If you want to avoid looking for information on how to recover RAID 0, do not use drives of different models, and, moreover, hard drives of different manufacturers. However, if the above mentioned recommendations have been observed and RAID 0 array still failed, below you will find information on how to recover RAID 0.

Short instruction with the help of which you will understand how to recover RAID 0 array:

  1. It is necessary to copy the data from all drives that are part of RAID 0 array before recovering it.
  2. In the event of unstable operation or presence of bad blocks in one or several disks of array, it is necessary to make sector-by-sector copy of the drive. If nothing works out at this stage, the question ‘how do I recover RAID 0?’ will not be valid since it will not be possible.
  3. It is necessary to mount RAID 0 correctly out of created drives’ copies and determine their strict sequence and also by setting the necessary value of data block stripe. After that copy data to another hard disk drive.

Last modified on Wednesday, 27 May 2015 18:38
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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