[Openstack-operators] [openstack][nova] Several questions/experiences about _base directory on a big production environment

Chris Friesen chris.friesen at windriver.com
Thu Apr 3 04:24:50 UTC 2014

On 04/02/2014 09:28 PM, Joe Topjian wrote:

> Diego has a great point about not using qemu backing files: if your
> backend storage implements deduplication and/or compression, you should
> see the same savings as what _base is trying to achieve.

Doesn't that still leave you vulnerable to a single point of failure if 
your single deduped copy gets corrupted?

Or can the backend be configured to store multiple copies of each 
deduped chunk for reliability?


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