Anyway replacing set of monitors means downtime for every client, so I`m in doubt if 'no outage' word is still applicable there. On Fri, May 9, 2014 at 9:46 PM, Kyle Bader <kyle.bader at gmail.com> wrote: >> Let's assume a test cluster up and running with real data on it. >> Which is the best way to migrate everything to a production (and >> larger) cluster? >> >> I'm thinking to add production MONs to the test cluster, after that, >> add productions OSDs to the test cluster, waiting for a full rebalance >> and then starting to remove test OSDs and test mons. >> >> This should migrate everything with no outage. > > It's possible and I've done it, this was around the argonaut/bobtail > timeframe on a pre-production cluster. If your cluster has a lot of > data then it may take a long time or be disruptive, make sure you've > tested that your recovery tunables are suitable for your hardware > configuration. > > -- > > Kyle > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com