Does anyone using dm-cache?

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#1 Fri, 06/24/2011 - 09:43

Does anyone using dm-cache?


Has, or does, anyone use dm-cache - specifically for caching SAN based storage locally?

I'm looking for a way to speed up SAN based storage on a CentOS 5.6 + XEN Hypervisor which uses iSCSI mounted SAN storage. dm-cache seems like it do the trick, but I've never heard of it before until someone mentioned it in another mailing list. A quick search on google didn't really give me much in terms of actual user experience.

Does anyone use it? Any feedback? Pitfalls? Success stories?

I'm referring to this: