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Re: [lvm-devel] cache support



> 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.


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