Rob Harris wrote:
OK. Stupid question.
So, I have a 300G drive in my system, 'bout half full running jfs.
I added a second 300G drive because I want to do mirroring.
I don't have place to copy the data off to create a clean two-drive
mirror from the get go, so I:
- created a one-drive mirror using mdadm (requiring --force) on the new
disk
you should have done
mdadm -Cv /dev/md0 -l1 -n2 /dev/XXX missing
- mounted it
- copied the data over from the non-raid disk to the raid disk
- verified that all the data was copied
- changed the type of the partition on the old disk to FD
- # mdadm /dev/md1 --add /dev/hdf1 (added the newly created partition)
It seemed to work... kinda. It didn't actually add the partition to the
mirror, but just set it as a spare; i.e. I never see it syncing the data
from the old disk to the new.
Is there a way that I can add the drive to the mirror without setting it
as a spare?
Thanks.
-R
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