Sounds good! -Greg On Sat, Feb 28, 2015 at 10:55 AM David <da...@visions.se> wrote:
> Hi! > > I’m about to do maintenance on a Ceph Cluster, where we need to shut it > all down fully. > We’re currently only using it for rados block devices to KVM Hypervizors. > > Are these steps sane? > > Shutting it down > > 1. Shut down all IO to the cluster. Means turning off all clients (KVM > Hypervizors in our case). > 2. Set cluster to noout by running: ceph osd set noout > 3. Shut down the MON nodes. > 4. Shut down the OSD nodes. > > Starting it up > > 1. Start the OSD nodes. > 2. Start the MON nodes. > 3. Check ceph -w to see the status of ceph and take actions if something > is wrong. > 4. Start up the clients (KVM Hypervizors) > 5. Run ceph osd unset noout > > Kind Regards, > David > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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