LVM snapshot

[Alasdair G Kergon]

On Wed, Aug 18, 2004 at 05:54:16AM -0300, Alexandre Oliva wrote:
> Talking of dm-mirror, I haven't kept track of it; does anyone know how
> it guarantees atomic writes to the replicas of an extent?  Does it
> resync the whole device in case there's say loss of power or a crash
> when the devices are out of sync

The way pvmove uses it, yes, it resyncs those parts of the data that were
being moved.

Alasdair
-- 
agk at redhat.com