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Recovering NAS devices

A NAS device is actually a special-purpose computer in its own right, usually running the Linux operating system. The hard drives are usually partitioned into a few small volumes for the NAS operating system and a large data volume. Thus the data volume is a software-based RAID. The recovery procedure for NAS is, therefore, similar with the following likely settings:

  • Backward, symmetric parity rotation for RAID 5.
  • 64 KB block size.
  • The RAID partition being the largest partition.

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