On Thu, Sep 5, 2013 at 11:42 AM, Bernhard Glomm <bernhard.glomm@xxxxxxxxxxx> wrote: > > Hi all, > > as a ceph newbie I got another question that is probably solved long ago. > I have my testcluster consisting two OSDs that also host MONs > plus one to five MONs. > Now I want to reboot all instance, simulating a power failure. > So I shutdown the extra MONs, > Than shutting down the first OSD/MON instance (call it "ping") > and after shutdown is complete, shutting down the second OSD/MON > instance (call it "pong") > 5 Minutes later I restart "pong", than after I checked all services are > up and running I restart "pong", afterwards I restart the MON that I brought > down the at last, not the other MON though (since - surprise - they are in > this test szenario just virtual instances residing on some ceph rbds) > > I think this is the wrong way to do it, since it brakes the cluster unrecoverable... > at least that's what it seems, ceph tries to call one of the MONs that isn't there yet > How to shut down and restart the whole cluster in a coordinated way in case > of a powerfailure (need a script for our UPS) > > And a second question regarding ceph-deploy: > How do I specify a second NIC/address to be used as the intercluster communication? You will not be able to do something like this with ceph-deploy. This sounds like a very specific (or a bit more advanced) configuration than what ceph-deploy offers. > > TIA > > Bernhard > > > > -- > ________________________________ > Bernhard Glomm > IT Administration > > Phone: +49 (30) 86880 134 > Fax: +49 (30) 86880 100 > Skype: bernhard.glomm.ecologic > Ecologic Institut gemeinnützige GmbH | Pfalzburger Str. 43/44 | 10717 Berlin | Germany > GF: R. Andreas Kraemer | AG: Charlottenburg HRB 57947 | USt/VAT-IdNr.: DE811963464 > Ecologic™ is a Trade Mark (TM) of Ecologic Institut gemeinnützige GmbH > ________________________________ > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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