I have a failing disk which has a raid device consisting of
two partitions in a linear array.
I know that this is a odd and largely useless config - it resulted
from my initial attempts to build raid configs on an otherwise
spare disk which happened to have two partitions. The machine
then got put into service with data on the raid device & it was only
a week or so later that I remembered that I had intended to remove
the RAID array and merge the two partitions into one large one. By
then it was too late - /dev/md0 had data on it and I didn't have
time to move it.
As I said the drive is failing (it's read throughput has fallen to about
100K/sec!) and I'd like to get the data off before I send the drive
for replacement. It's not critical (otherwise it would have been backed
up) but it would be handy.
I moved the disk to another machine, however the array won't start
because it used to be /dev/hda{3,4} and is now /dev/hdd{3,4}. It
was created with persistent superblocks.
Is is possible to move the array to from /dev/hda to /dev/hdd?
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