Re: Server offline :-( please help to repair software RAID

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Thank you all, it seems to have finished - I'm rebooting.

Just curious why is the State of md3 "active", while the others are "clean"?


# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1]
md0 : active raid1 sda1[0] sdb1[1]
      1023936 blocks [2/2] [UU]

md1 : active raid1 sda3[0] sdb3[1]
      20479936 blocks [2/2] [UU]
      [=================>...]  resync = 86.6% (17746816/20479936)
finish=0.3min speed=131514K/sec

md2 : active raid1 sda5[0] sdb5[1]
      277728192 blocks [2/2] [UU]

md3 : active raid1 sda6[0] sdb6[1]
      185151360 blocks [2/2] [UU]

unused devices: <none>

..........Then after some wait:.......


# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1]
md0 : active raid1 sda1[0] sdb1[1]
      1023936 blocks [2/2] [UU]

md1 : active raid1 sda3[0] sdb3[1]
      20479936 blocks [2/2] [UU]

md2 : active raid1 sda5[0] sdb5[1]
      277728192 blocks [2/2] [UU]

md3 : active raid1 sda6[0] sdb6[1]
      185151360 blocks [2/2] [UU]

unused devices: <none>


# mdadm -D /dev/md3
/dev/md3:
        Version : 00.90
  Creation Time : Sat Mar 19 22:53:25 2011
     Raid Level : raid1
     Array Size : 185151360 (176.57 GiB 189.59 GB)
  Used Dev Size : 185151360 (176.57 GiB 189.59 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 3
    Persistence : Superblock is persistent

    Update Time : Thu Apr 28 21:31:12 2011
          State : active
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 1b3668a3:4b6c5593:3d186b3c:53958f34
         Events : 0.39

    Number   Major   Minor   RaidDevice State
       0       8        6        0      active sync   /dev/sda6
       1       8       22        1      active sync   /dev/sdb6


# mdadm -D /dev/md1
/dev/md1:
        Version : 00.90
  Creation Time : Sat Mar 19 22:52:20 2011
     Raid Level : raid1
     Array Size : 20479936 (19.53 GiB 20.97 GB)
  Used Dev Size : 20479936 (19.53 GiB 20.97 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 1
    Persistence : Superblock is persistent

    Update Time : Thu Apr 28 21:33:56 2011
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 8812725b:ea156bc6:3d186b3c:53958f34
         Events : 0.48

    Number   Major   Minor   RaidDevice State
       0       8        3        0      active sync   /dev/sda3
       1       8       19        1      active sync   /dev/sdb3


# mdadm -D /dev/md0
/dev/md0:
        Version : 00.90
  Creation Time : Sat Mar 19 22:52:12 2011
     Raid Level : raid1
     Array Size : 1023936 (1000.11 MiB 1048.51 MB)
  Used Dev Size : 1023936 (1000.11 MiB 1048.51 MB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Thu Apr 28 21:06:24 2011
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 87db17c2:d806a38c:3d186b3c:53958f34
         Events : 0.14

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


# mdadm -D /dev/md2
/dev/md2:
        Version : 00.90
  Creation Time : Sat Mar 19 22:52:32 2011
     Raid Level : raid1
     Array Size : 277728192 (264.86 GiB 284.39 GB)
  Used Dev Size : 277728192 (264.86 GiB 284.39 GB)
   Raid Devices : 2
  Total Devices : 2
Preferred Minor : 2
    Persistence : Superblock is persistent

    Update Time : Thu Apr 28 21:17:54 2011
          State : clean
 Active Devices : 2
Working Devices : 2
 Failed Devices : 0
  Spare Devices : 0

           UUID : 2db0174b:e45768d5:3d186b3c:53958f34
         Events : 0.14

    Number   Major   Minor   RaidDevice State
       0       8        5        0      active sync   /dev/sda5
       1       8       21        1      active sync   /dev/sdb5
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