Sunday, April 17, 2011

ERROR: isw: wrong number of devices in RAID set

When running
sudo update-grub
this error message came up
ERROR: isw: wrong number of devices in RAID set "isw_djcbaiedeg_RAID_Volume1" [1/2] on /dev/sdb
There is no RAID setup on my computer so this is probably caused by the disk (/dev/sdb) that might have been used in a RAID setup before. The RAID medata still remains on the disk.

Fix this problem by using the dmraid command to remove this metadata:-
sudo dmraid -rE
Ref:
http://ubuntuforums.org/showthread.php?t=1569005
Posted by Tom Tantisalidchai at 3:51 PM
Labels: , , ,

7 comments:

  1. AnonymousNovember 9, 2011 at 3:22 AM

    Спасибо, действительно так! достаточно даже sudo dmraid -x
    и далее sudo update-grub... все увиделось сразу ! Урааа!

    ReplyDelete
  2. AnonymousDecember 12, 2011 at 9:24 PM

    Thank you for sharing this :)

    ReplyDelete
  3. AnonymousApril 21, 2012 at 1:15 PM

    Exactly my problem and this solution fixed it! Thanks

    ReplyDelete
  4. AnonymousFebruary 25, 2013 at 11:35 PM

    Thanks a lot !!!

    ReplyDelete
  5. AnonymousMarch 3, 2013 at 6:59 AM

    thanksssssssssssssssssss

    ReplyDelete
  6. SiApril 8, 2013 at 12:13 AM

    lifesaver. fixing this allowed grub to see my xp install and not i can dual boot again for the first time in month. Thank. You. Sir!

    ReplyDelete
  7. Stratcat250February 16, 2018 at 3:09 AM

    Fixed the error for me. Thank you

    ReplyDelete

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