RAID Recovery

RAID arrays usually consist of two or more hard drives that work together. The whole array is seen by the operating system as a single hard drive. Depending on the type of RAID, such arrays offer different kinds of advantages:

• RAID 0 - greatly improves performance by distributing data chunks between two (or more) hard drives. This RAID level uses the combined bandwidth of all hard drives in the array, which makes read and write operations much quicker. On the other hand, saving files as small chunks distributed between several hard drives is somewhat dangerous: if one of the hard drives gets damaged and becomes inoperable, data from the whole RAID-0 array will be lost.
• RAID 1 - improves reliability by saving the same data to all hard drives of the array. This RAID level provides great reliability at the cost of additional hard drives. Read errors are not fatal here. Information is safe as long as at least one of the hard drives in the array remains functioning. RAID-1 also can show increased read performance with an operating system that supports split seeks.
• RAID 5 - data is distributed between different hard drives, but a single drive failure doesn't destroy the whole array. If a drive from the array fails, no information is lost, but the drive should be replaced as soon as possible.

It is clear that a corrupted RAID array is not the same as a single hard drive. To restore a RAID array, one should detect its type, size of chunks (stripes), order of drives in the array etc. If these parameters are not properly detected, recovery of the RAID array is not possible, or even dangerous.

RAID Recovery is a clever utility that can detect all necessary parameters automatically. On the other hand, a fully manual recovery is also possible. RAID Recovery recognizes all kinds of RAID controllers, including hardware, native, or software ones. The program properly works with different types of RAID arrays: RAID 0, RAID 1, RAID 5, RAID 0+1, JBOD.

When restoring your RAID array manually, you can use Drag&Drop to reconstruct the right configuration. RAID Recovery allows restoring and backing up your files before attempting to fix the damaged RAID array. The restored files can be saved to an external hard drive, memory stick, FTP, to a recordable CD/DVD etc. The program employs advanced search algorithms to get files from a RAID array even if the file system is broken, or if a drive is missing.

You can download and try RAID Recovery for free.

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