Overview About Raid Data Recovery
Author: RayLam Total views: 19 Word Count: 420
Raid data recovery is somehow different from all other types of data recovery. Most experts advise not to try to recover the data yourself before sending in the hard drives to a data recovery company. This is because most companies found that most of the times simple users try to recover the files all by themselves, they fail and not only. Their actions will make the recovery process even harder and if the lost information is important, someone will be in big trouble. If it's about raid data recovery better handle it quick to the professionals without touching anything.
RAID achieves all these aims via several configurations. The most common nowadays are RAID 0, RAID 1, RAID 0 1/ RAID 10 and RAID 5. Each of these RAID types has their own method of redundancy.
RAID 0 is simply striping the data across multiple disks. It's like dividing the data into smaller pieces of fixed size, called the "stripe width," and writing the stripes across the disks. If the file to be written was 5KB in size, with a stripe width of 1KB and there are 4 disks to a RAID set, the first stripe would be written on the first disk, the second on the second disk, and so on up the fourth stripe, the fifth stripe is written to the first disk. This is a fast way of writing large files but if one disk fails, the whole set fails.
The information involved in such a situation can cost many hundreds of thousands, possibly millions of dollars in labor and resources to create. This is the reason why the executives are not at all interested in finding out the cause of the failure, they just care about the fact that the server has crashed and that the problem must be immediately solved.
It is true that the Raid data recovery process can be pretty expensive, but in most cases it is nothing compared to trying to recreate the data that has been destroyed. Not to speak about the fact that getting the data back could be enough to save someone's job!
RAID was designed to be both scalable and robust. But with each additional hard disk the chances for a hard disk failure increases. RAID was also designed to continue running even in the event of a single disk failure. And depending on the RAID 0 1 configuration, even if more disks failed data would still be written and read correctly up to a certain point but with noticeable performance degradation.
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