NAS540 Volume down ...need help

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  • Mijzelf
    Mijzelf Posts: 2,635  Guru Member
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    News from the nas. With
    mdadm --create....
    the nas didn´t start a recovery. The Partition sdb1..3 were los.
    Recovery? The idea is to rebuild a degraded md2. If that is done, and the filesystem is OK, you can let the firmware add the 4th disk.
    The whole idea of a 4 disk raid5 is that it can also run with 3 disks.
    Leave sdb until you can see your data.

    fdisk says, bad partition table backup at sdb and work with primary table...
    The disk has a GUID partition table, which is supposed to have a 2nd copy at the end of the disk.


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