[dm-devel] dm-cache caching network volume

Joe Thornber thornber at redhat.com
Tue Sep 9 15:47:25 UTC 2014


On Tue, Jun 18, 2013 at 11:32:52AM +0200, Étienne BERSAC wrote:
> Is it possible to have dm-cache "bufferize" blocks for network
> failures ?

dm-cache is a slow moving cache, foor instance, it does not attempt to
pass all writes through the SSD.  Since you cannot rule out IO going
to the origin device it's not suitable for adding resilience to an
intermittent network connection.  Perhaps you should look at dm-raid?

- Joe




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