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Re: check superblock



On Wednesday 21 February 2007 04:35, pinniped wrote:
> Make sure the RAID device is set to be 'persistent'.

It seems they are:

# mdadm --detail /dev/md0
/dev/md0:
[...]
    Persistence : Superblock is persistent
[...]
# mdadm --detail /dev/md1
/dev/md1:
[...]
    Persistence : Superblock is persistent

> Also check backwards 
> through scripts to see where md2 might fail.

md2 is no failing, md0 and md1 are failing, which are / and swap. I haven't 
written any scripts myself, any ideas about what I should check?
-- 
José Pablo Fernández
pablo.fernandez@rs.com.ar

PS: full outputs:

# mdadm --detail /dev/md0
/dev/md0:
        Version : 00.90.01
  Creation Time : Tue Feb  7 14:58:18 2006
     Raid Level : raid1
     Array Size : 15623104 (14.90 GiB 16.00 GB)
    Device Size : 15623104 (14.90 GiB 16.00 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Wed Feb 21 14:19:48 2007
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : a1a07d14:64ab7244:8a585e9b:fbee0505
         Events : 0.6126578

    Number   Major   Minor   RaidDevice State
       0       8        1        0      active sync   /dev/sda1
       1       8       17        1      active sync   /dev/sdb1



# mdadm --detail /dev/md1
/dev/md1:
        Version : 00.90.01
  Creation Time : Tue Feb  7 14:59:06 2006
     Raid Level : raid1
     Array Size : 979840 (956.88 MiB 1003.36 MB)
    Device Size : 979840 (956.88 MiB 1003.36 MB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 1
    Persistence : Superblock is persistent

    Update Time : Wed Feb 21 01:14:59 2007
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 2e8d1e91:1db84b53:602c6a7d:b9fb162a
         Events : 0.1411

    Number   Major   Minor   RaidDevice State
       0       8        2        0      active sync   /dev/sda2
       1       8       18        1      active sync   /dev/sdb2



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