in-situ conversion to FT disk config?

[Michael ODonnell]

>I've done this...  you use:
>
>   mdadm -f -l 1 -C /dev/md0 /dev/hdc1
>
>creating a degraded RAID1 array (partition hdc first).
>Now mount /dev/md0 wherever, and copy your data over.
>Check to see it's there and happy.  Then:
>
>   mdadm -A /dev/md0 /dev/hda1
>
>(assuming hda partitioned etc.).  It'll rebuild in the
>background.  You'll need to tag the partitions as type fd
>WHILE THEY ARE NOT MOUNTED to get them autodetected by the
>kernel; you'll have to compile RAID into the kernel hard
>(not as a module) to be able to have your root fs on the RAID.


Just the sort of feedback I was looking for - thanks, you've
given me courage.  I'll try that ASAP and report back...