Re: [PATCH 0/2] Add Ceph integration with OCF-compliant HA resource managers

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On 2011. December 29. 20:58:00 Florian Haas wrote:
> please consider reviewing the following patches. These add
> OCF-compliant cluster resource agent functionality to Ceph, allowing
> MDS, OSD and MON to run as cluster resources under compliant managers
> (such as Pacemaker, http://www.clusterlabs.org).

Nice work, however, I don't really see the point of running Ceph in a HA 
cluster. If you have more than one machine, then why not deploy Ceph as an 
active-active (Ceph) cluster? If you want an active-backup cluster, then why 
use Ceph?

There might be situations however, where this feature can come handy, although 
I can't think of any right now. Can you sketch up one?

-- 
cc


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