Sorry, I EOF'd too soon..
As to creating mirrored partitions over top of existing data, mdadm will write
a \
superblock at the beginning of each mirrored component, which will blow up the
first \
several bytes of the partition (probably the FS descriptor). I believe there is
an \
option to create a raid1 pair without a superblock, but I don't think I would
want to \
use it.
Well, I created new mirrors on top of the existing partition pairs, and
specified the UUID for each device(so that they were the same as the old
mirrored partition pairs) and the system booted up fine. I'm going to
run e2fsck on the md devices (booting again in a Live CD) to see if
there's any corruption.
I'm actually kind of surprised the system booted up.
Can anybody suggest other tests to run to see if things really ARE okay?
Should one be able to do what I just did?
Andy
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