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Thread: restore degraded mdadm raid from previous install!

  1. #1

    Question restore degraded mdadm raid from previous install!

    as per the title really... I'd like to bring online a 4 disk raid10 mdadm array, with 1 drive missing from a previous install (ubuntu 12.04.1), onto my new opensuse 12.3 home server. I have the original config (fdisk -l) so i know how the partitions were laid out. Am i able to follow one of the many "bring degraded mdadm back online" guides out there, or is there something something special i need to consider since I’m moving between kernels/distros?
    HP probook 6475b w/Intel Centrino 6200 wifi :: oSUSE 13.1 x86_64 KDE

  2. #2

    Default Re: restore degraded mdadm raid from previous install!

    Don't know why you haven't had a reply yet, sorry for that ...

    veehexx wrote:
    > as per the title really... I'd like to bring online a 4 disk raid10
    > mdadm array, with 1 drive missing from a previous install (ubuntu
    > 12.04.1), onto my new opensuse 12.3 home server. I have the original
    > config (fdisk -l) so i know how the partitions were laid out. Am i able
    > to follow one of the many "bring degraded mdadm back online" guides out
    > there, or is there something something special i need to consider since
    > I’m moving between kernels/distros?


    There's nothing special to consider really. the mdadm formats etc are
    independent of kernel version and distro.

    Just pick one of the how-tos that you like, double check against a
    second and against the man pages/wiki and have a go. Come back here if
    there's something that looks suspicious.

    Try to use read-only commands for a start, and ensure you have a backup
    first, of course (RAID doesn't remove the need for backups).

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