Les Mikesell wrote:
> If you have a disk with several partitions set up as members of a raid1
> md devices, can you make a dd image of that disk to replace its matching
> drive with identical partitions or are there differences between the
> mirrored partitions?
you can 'dd' the MBR and then re-add the partitions to the raid for
resyncing with 'mdadm'.
# dd if=/dev/sda of=/dev/sdb bs=512 count=1
# mdadm /dev/md0 --add /dev/sdb1
# mdadm /dev/md1 --add /dev/sdb2
If you want to really make sure you got everything you could dd the
whole first track with:
# dd if=/dev/sda of=/dev/sdb bs=512 count=63
-Ross
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