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With the cost of hard disk falling, it is not uncommon for home desktop PCs to have RAID. In fact, most PC motherboards have a built-in RAID controller, even if it is not in use. RAID is short for “redundant array of inexpensive disks” and was developed to use smaller disks in an array for better performance, scalability, and data reliability and recovery.
For example, previous happenings have showed that, when a RAID failure occurs and results in the loss of important data, somebody’s job is on the line! If the data is not recovered, then things get quite complicated, for the employee, as well as for the employer.
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.
When all the drives will function normally, clones of all the drives will be made. During this process, your drive will be placed in a write protect mode to make sure the data will not be altered in any way. The normal recovery process will be performed on the cloned drives, again, for increased safety.
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!
Even if raid data recovery sometimes can become expensive, most companies will not charge you for an evaluation of a complex raid system. If you need the help of the experts, get it, it’s the best way. After getting all your data back, make sure to always backup your information from now on.
Tags: Computers
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