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Thread: mdadm question

  1. #1
    Join Date
    Aug 2009
    Beans
    25

    mdadm question

    Can Anybody tell me if this command can be used without losing the data on my raid 5 array
    mdadm --assemble --force /dev/md4 /dev/sdd1 /dev/sde1 /dev/sdf1

    At the moment the array looks like this and a simple assemble of md4 does not work

    md4 : inactive sde1[1](S) sdf1[3](S) sdd1[0](S)
    5860147414 blocks super 1.2

  2. #2
    Join Date
    Aug 2009
    Beans
    25

    Re: mdadm question

    I decided to try it anyway and it reported that the disks were 'busy'. After a bit of research i realised that you must stop the array first before you run this command:
    mdadm --stop /dev/md4

    After doing this and running the assemble command, the array is now active.

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