Aaron, Don't mistake valid for advisable.
For documentation purposes, three monitors is the advisable initial configuration for multi-node ceph clusters. If there is a valid need for more than three monitors, it is advisable to add them two at a time to maintain an odd number of total monitors.
-Mike On 10/30/2013 4:46 PM, Aaron Ten Clay wrote:
On Wed, Oct 30, 2013 at 1:43 PM, Joao Eduardo Luis <joao.l...@inktank.com <mailto:joao.l...@inktank.com>> wrote: A quorum of 2 monitors is completely fine as long as both monitors are up. A quorum is always possible regardless of how many monitors you have, as long as a majority is up and able to form it (1 out of 1, 2 out of 2, 2 out of 3, 3 out of 4, 3 out of 5, 4 out of 6,...). -Joao Joao, The page at http://ceph.com/docs/master/rados/operations/add-or-rm-mons/ only lists "1; 3 out of 5; 4 out of 6; etc.". Perhaps it should be updated if 2 out of 2 is a valid configuration? -Aaron _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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