Safe to recover failed RAID volume?

By Nintendo Master
Dec 15, 2008
  1. My XP desktop had a BSOD. After the reboot the Intel RAID manager saids "Failed RAID volume detected. Recover volume? (Y/N):"

    I don't want to choose yes if it will wipe all my data off both drives. I'm running a RAID1 and both drive states are "Error Occurred(0)"

    If I recover the volume will it just repair the array and keep all the data or just wipe everything and make me start over? I searched for this problem but can't find a definite answer.
  2. kimsland

    kimsland Ex-TechSpotter Posts: 14,524

    Not sure if anyone can give a definitive answer on that
    It's 50/50
    Hence the reason to always have backups created
    Raid1 (or any raid really) is not good when trying to recover data (ie nearly impossible)
    Therefore, when you're brave enough press Yes :suspiciou
  3. Nintendo Master

    Nintendo Master TS Rookie Topic Starter

    Do you think it would be a good idea to put 1 of the disks in another working PC and copy the data off that way? Will this work?
  4. kimsland

    kimsland Ex-TechSpotter Posts: 14,524

    Yes seeming both disks should be a duplicate of themselves
  5. Nintendo Master

    Nintendo Master TS Rookie Topic Starter

    so i just pressed yes and it did recover the volume without losing any data.

    thx for the help!
  6. kimsland

    kimsland Ex-TechSpotter Posts: 14,524

    Thanks for the update :grinthumb
  7. jobeard

    jobeard TS Ambassador Posts: 9,143   +597

    1. The 'recovery' attempt is always a first step for RAID-1 configurations.
    2. If it fails, then replace the failing drive, reboot, and let it 'recover' -- should be good to go.
    3. If not, THEN the backup restore would be the next step (with the new hd in place).
    For Raid-0, you're force to use the backup restore.

    For Raid 10 (mirrored stripes), the 'recover' should follow RAID-1 procedure

    For Raid 0+1 (striped mirrors) follow the RAID-0 procedures.

    For Raid 5, (striped with parity) follow RAID-0 procedures.
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