Recovering lost data on broken RAID arrays.     QueTek™ Consulting Corporation located in Houston, Texas
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An Example of a Broken RAID

The computer in this example has a RAID 5 array consisting of 3 disks of 20 GB each. The hardware RAID controller presents the RAID to Windows as one 40 GB disk, as shown in the screen snapshot of Windows Disk Management below:

RAID 5 disk, hardware-based, in use

If data recovery is required at this time, the disk can be treated like an ordinary disk

If for some reason the RAID is broken (for example, if the RAID controller is faulty), the individual component disks can be connected to the computer as ordinary non-RAID disks so that data can be recovered. The screen snapshot of Windows Disk Management now shows 3 separate 20 GB disks, as follows:

broken RAID 5 disks

Note that if attempts are made to reconfigure the RAID 5, all data on all 3 disks will be lost during RAID initialization.

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