On Mon, 2023-10-02 at 16:48 -0400, Phillip Susi wrote:
> 
> You want to put an MD array inside of another MD array?  Why?

Just to take advantage of MD's online/background sync to get the data
from md0 array to the md1 array.

> I would suggest instead that you add the luks volume as a new PV to
> your
> VG, then use pvmove to migrate all of your logical volumes from md0
> to
> md1, then vgreduce md0 from the VG, stop md0, mdadm --zero-
> superblocks
> /dev/sdc, then add sdc to md1.

That's an interesting alternative.  Thanks for the suggestion.

Cheers,
b.

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