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08-10-2012 #1Just Joined!
- Join Date
- Dec 2011
- Posts
- 7
mdadm failed - 2/3 disks available
everything was good now the mdadm raid wont start on boot. I've since booted of the live ubuntu disk and checked all the disks on the raid, they (all 3) appear to be fine. I have everything backed up I just don't want to copy ~4TB of data.
when i boot linux i get to the initramfs prompts with the following,
Code:blah blah blah... Do you wish to start the degraded RAID? [y/N] : y Attempting to start the RAID in degraded mode... mdadm: CREATE user root not found mdadm: CREATE group disk not found [ 6.900084] bio: create slab <bio-1> at 1 [ 6.900139] md/raid0:md127: too few disks (2 of 3) - aborting! [ 6.900191] md: pers->run() failed ... mdadm: failed to start array /dev/md/earth:=pool1: Invalid argument mdadm: CREATE user root not found mdadm: CREATE group disk not found Could not start the RAID in degraded mode. Dropping to shell blah blah blah...
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08-18-2012 #2Linux Guru
- Join Date
- Apr 2009
- Location
- I can be found either 40 miles west of Chicago, in Chicago, or in a galaxy far, far away.
- Posts
- 14,038
The mdadm has detected a problem with one disc in the array. Why do you say that the disc seems fine? How did you check the disc from the live DVD? Show the commands you used.
Sometimes, real fast is almost as good as real time.
Just remember, Semper Gumbi - always be flexible!
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