> Op 26 oktober 2016 om 15:51 schreef J David <[email protected]>: > > > On Wed, Oct 26, 2016 at 8:55 AM, Andreas Davour <[email protected]> wrote: > > If there are 1 MON in B, that cluster will have quorum within itself and > > keep running, and in A the MON cluster will vote and reach quorum again. > > Quorum requires a majority of all monitors. One monitor by itself (in > a cluster with at least three monitors) will never form a quorum.
To add, RADOS is always synchronous when writing. If min_size isn't online or can't be reached a write will not succeed. So in this case, the DC with just one MON and copy of OSDs remaining will NEVER accept a write. Wido > _______________________________________________ > ceph-users mailing list > [email protected] > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com _______________________________________________ ceph-users mailing list [email protected] http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
