On Wed, 20 Nov 2013 13:26:10 -0500 Veedar Hokstadt <veedar@xxxxxxxxx> wrote: > Greetings, > Consider a 3 drive RAID5 where each drive has lost it's partitioning > info. Running mdadm -E does not find a superblock. But using hexedit > an mdadm superblock can be found in tact near the end of each drive. > > Is there perhaps a tool I can point at the superblock to decode it? Or > trick mdadm into reporting the contents of the superblock? > > I know I can look at the superblock format doc and translate it by > hand but I was hoping for an easier way. Thanks for any help. -V > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html If you use losetup to create a device pointing to the original but with an offset to match where you think the partition was, then run "mdadm -E" on the loop device. You could probably do: for i in {1..1000} do losetup -o $i /dev/loop0 /dev/whatever echo $i mdadm -E /dev/loop0 mdadm -d /dev/loop0 done NeilBrown
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