[libvirt] [PATCH v3 4/4] logical: Display thin lv's found in a libvirt managed volume group
phrdina at redhat.com
Tue Feb 2 13:30:08 UTC 2016
On Tue, Feb 02, 2016 at 09:11:51AM +0100, Ján Tomko wrote:
> On Mon, Feb 01, 2016 at 03:29:53PM -0500, John Ferlan wrote:
> > Modify the regex for the 'devices' (a/k/a 'extents') from "(\\S+)"
> > (e.g., 1 or more) to "(\\S*)" (e.g., zero or more).
> > Then for any "thin" lv's found, mark the volume as a sparse volume so
> > that the volume wipe algorithm doesn't work.
> > Since a "thin" segtype has no devices, this will result in any "thin"
> > lv part of some thin-pool within a volume group used as a libvirt pool
> > to be displayed as a possible volume to use.
> A thin pool is another layer on top of some of the LVs in the VG.
> I think it deserves a separate pool type.
I must agree with Jan, and also already wrote the same for v2 patch. The thin
pool and thin LV shouldn't be mixed with normal logical pool even they share the
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