on 11-26-2008 6:12 AM Kai Schaetzl spake the following: > It's obvious but I should have mentioned it nevertheless that I copied the > partition table from sdb back to sda, of course. > I wonder how the superblock for /dev/md1 could be missing? > > Kai > Before you do anything, can you access the LVM's on /dev/sdb2? If so, make sure you back everything up as you will probably need to start over on the raid arrays. Worse case you will need a third drive for temporary storage. Best case, you can create new arrays on /dev/sda with only one member, migrate the data from sdb to sda, and then add sdb to the arrays.
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