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Does anyone using dm-cache?

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SoftDux-Rudi

Occasional Visitor
Does anyone use dm-cache?

Hi,

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: https://github.com/mingzhao/dm-cache/blob/5670b91bc7c412885339f11fcf794a70c26da879/README
 
Last edited:
Interesting concept but that by itself seems to only provide block access to a ramdisk. I think yoru need an iScsi target. Version 1.4.20.2 is available in the Gnu tree.
 

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