fsck.ext3: Bad magic number in super-block

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This will list all your hard drives, allowing you to identify them. Next, type:

sudo blkid

via fsck.ext3: Bad magic number in super-block | prupert.

Also remember to mkfs to MAKE the filessystem before fsck ing it.  This problem occurred while trying to bring the openfiler NAS up.

Update: Another useful command…

kpartx – Create device maps from partition tables