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Old 10th June 2007, 13:52
Daisy Daisy is offline
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Default software raid problem

Ok. So I don't have a drive that failed but I just noticed that two of my partitions aren't mirrored anymore. They used to be. Can anyone give some helpful tips or point me in the right direction on how to fix this? Everything I'm reading is on drive failure only. I think I may just need to resynchronize them but I'm not sure if you can do that.

Code:
[root@server ~]# cat /proc/mdstat
Personalities : [raid1] 
md0 : active raid1 sdb1[0]
      104320 blocks [2/1] [U_]
      
md1 : active raid1 sdb2[0] sda2[1]
      4192896 blocks [2/2] [UU]
      
md2 : active raid1 sdb3[0]
      308271168 blocks [2/1] [U_]
      
unused devices: <none>
Code:
[root@server ~]# fdisk -l

Disk /dev/sda: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          13      104391   fd  Linux raid autodetect
/dev/sda2              14         535     4192965   fd  Linux raid autodetect
/dev/sda3             536       38913   308271285   fd  Linux raid autodetect

Disk /dev/sdb: 320.0 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/sdb1   *           1          13      104391   fd  Linux raid autodetect
/dev/sdb2              14         535     4192965   fd  Linux raid autodetect
/dev/sdb3             536       38913   308271285   fd  Linux raid autodetect

Disk /dev/md2: 315.6 GB, 315669676032 bytes
2 heads, 4 sectors/track, 77067792 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md2 doesn't contain a valid partition table

Disk /dev/md1: 4293 MB, 4293525504 bytes
2 heads, 4 sectors/track, 1048224 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md1 doesn't contain a valid partition table

Disk /dev/md0: 106 MB, 106823680 bytes
2 heads, 4 sectors/track, 26080 cylinders
Units = cylinders of 8 * 512 = 4096 bytes

Disk /dev/md0 doesn't contain a valid partition table
# mdadm.conf written out by anaconda
DEVICE partitions
MAILADDR root
ARRAY /dev/md2 level=raid1 num-devices=2 uuid=ae0c2514:084a7067:2f452462:3d34e6ea
ARRAY /dev/md0 level=raid1 num-devices=2 uuid=722785de:74ec7f53:38daed28:0929896a
ARRAY /dev/md1 level=raid1 num-devices=2 uuid=44f67f49:e88f3958:dea4af5b:d7863e55
~
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