On Thu Feb 14, 2013 at 10:00:29 +0100, Dragon wrote:

Hello,

the 40TB are in an filecluster and this machine is part of this. the
system consists of 6x3tb in sw raid5. there are four partions on each
machine. one with 100mb for the efi bios, one for the os in raid1, one
for the swap in raid5 and one for the files in raid5. the machine was
opened and the disk layed beside, i moved two disks slightly and in
this moment both spinded for a second down and the raid was gone.
there was no filetransfer but the raid couldnt rebuild because of
missing two disks.

The standard option to try is a forced assembly - "mdadm -Af /dev/mdX"

If that fails, then please retry with "-vv" as well and post both the
output from the command and the dmesg output.

HTH,
    Robin
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