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Old 07-14-07, 03:37 PM   #1
carlos
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Join Date: May 2004
Location: Orlando, FL
Posts: 153
Default RAID Failure - Please Help (mdadm)

Guys - I have a problem on my home PC. I am posting from it now however something is wrong with one of my two mirrors.

I have 2 Western Digital S-ATA drives on my PC. Exactly identical models.

I partitioned them so that

/dev/sda3 & /dev/sdb3 = /dev/md0

/dev/md0 is mounted on /

/dev/sda4 & /dev/sdb4 = /dev/md1

/dev/md1 is mounted on /home

However the problem is this...

Code:
tunafish:/home/cwilliams# cat /proc/mdstat
Personalities : [raid1]
md1 : active raid1 sda4[0]
      135275264 blocks [2/1] [U_]

md0 : active raid1 sdb4[2](S) sdb3[1] sda3[0]
      19534976 blocks [2/2] [UU]

unused devices: <none>
It appears I am running on 1/2 a mirror on /home and although I can still use my system perfectly, I would like to repair this problem. I know the disk is fully functional and works perfectly - I think I somehow just messed or mixed things up and I don't have any RAID experience to resolve this so I am asking for any help on resolving this.
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