RAID10 Frequently Asked Questions

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RAID 10 Recovery

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RAID 10 Recovery

If you deleted a partition on a RAID10 array, would be a partition recovery in this case differ from a typical partition recovery performed for a usual hard drive?

As long as the RAID itself is functioning properly, it doesn't matter what storage is used for a partition recovery - RAID10 or just a usual hard drive.

If one of the RAID 10 member disks fails, is it possible to recover data? In case of two or three failed disks?

Because RAID10 is a redundant array it is possible to recover array data in full in case of a single disk failure. If two or more disks fail, the probability to get the data is nonzero and increases with the number of disks.

How to recover a RAID10 configuration?

You can recover a RAID10 configuration either manually or using RAID recovery software.

In case of manual recovery first you need to get a full set of RAID0 disks from RAID10 and then perform RAID0 recovery.

In case of automatic RAID configuration recovery depending on the tool you are going to use you need either just to select all available member disks or as in manual recovery first get a full set of RAID0 and then start the analysis.

If RAID10 has failed, what can be the cause?

RAID10 can fail due to the following reasons:

  • Member disk failure;
  • Controller failure;
  • Failure of managing software (in software RAID);
  • Port or controller on the mainboard has failed.

See also

RAID0 FAQ

RAID5 FAQ

Useful links

RAID Failure Calculator

NAS Recovery

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