[lvm-devel] cache support

[Paul B. Henson]

> From: Brassow Jonathan
> Sent: Wednesday, February 12, 2014 9:40 AM
> 
> I'll let others weigh-in on the overhead of introducing thin-provisioning.
> However, my experience is that the overhead is very small and the benefit
is
> very large.
[...]
> You now have a very fast thin pool from which you will create thin volumes
> and snapshots.  Everything is cached with low overhead.

Hmm, interesting; this would allow me to work within the confines of the
intended lvm cache support yet achieve my goal of using a single cache
device for all of my LV's. That does seem preferable to trying to manage
dm-cache manually with dmsetup.

Thanks.