Re: freshly grown array shrinks after first reboot - major data loss

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On 09/01/2011 05:28 PM, Pim Zandbergen wrote:


What should I do to find the cause?

Additional information:

Both the original 2TB drives as well as the new 3TB drives were GPT
formatted with partition type FD00

This is information about the currently shrunk array:


# mdadm --detail  /dev/md0
/dev/md0:
        Version : 0.90
  Creation Time : Wed Feb  8 23:22:15 2006
     Raid Level : raid5
     Array Size : 4696690944 (4479.11 GiB 4809.41 GB)
  Used Dev Size : 782781824 (746.52 GiB 801.57 GB)
   Raid Devices : 7
  Total Devices : 7
Preferred Minor : 0
    Persistence : Superblock is persistent

    Update Time : Tue Aug 30 21:50:50 2011
          State : clean
 Active Devices : 7
Working Devices : 7
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 64K

           UUID : 1bf1b0e2:82d487c5:f6f36a45:766001d1
         Events : 0.3157574

    Number   Major   Minor   RaidDevice State
       0       8      161        0      active sync   /dev/sdk1
       1       8      177        1      active sync   /dev/sdl1
       2       8      193        2      active sync   /dev/sdm1
       3       8      145        3      active sync   /dev/sdj1
       4       8      209        4      active sync   /dev/sdn1
       5       8      225        5      active sync   /dev/sdo1
       6       8      129        6      active sync   /dev/sdi1

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