I really love having my partitions as RAID1 devices as it allows the actual
partition major and minor numbers to change, and allows me to "move"
partitions by adding and removing them from the array.
As such I do this even when there is only one partition. To move it, I can
make it a two way mirror, add the new partition, then remove the old. However,
I can't then shrink it back to being a one way mirror. Is there a good reason
for this, or is it just not something that was considered sane?
[ "really" just runs a command as root ]
bedat-32:~: really mdadm -Gn1 /dev/md1
mdadm: '1' is an unusual number of drives for an array, so it is probably
a mistake. If you really mean it you will need to specify --force before
setting the number of drives.
bedat-32:~: really mdadm -G --force -n1 /dev/md1
mdadm: option f not valid in grow mode
bedat-32:~: really mdadm --force -Gn1 /dev/md1
mdadm: -G would set mode to grow, but it is already manage.
bedat-32:~: mdadm -V
mdadm - v1.6.0 - 4 June 2004
bedat-32:~: rpm -q mdadm
mdadm-1.6.0-2
bedat-32:~:
Any ideas?
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