Am Freitag, 2. Oktober 2009 14:00:20 schrieb Colin: > On Fri, Oct 2, 2009 at 1:14 PM, Michael Schwartzkopff <[email protected]> wrote: > > Am Freitag, 2. Oktober 2009 13:05:42 schrieb Colin: > >> is there any experience on using Heartbeat with a N+N cluster, i.e. a > >> cluster with more than 2 nodes split over two fire-areas? > >> > >> As far as I can gather from the documentation, this setup has the > >> problem that if one fire-area is offline, then the other fire-area > >> will either stop working immediately, or as soon as one of its > >> computers has a problem (I read somewhere in the documentation that > > >> 50% are needed in a group of nodes to carry on, however in a two-node > >> setup that would not work...?) which somehow defeats the intention of > >> a fire-area to improve availability... > > > > It depends on your setup. heartbeat doesn't care about quorum if there > > are only two nodes in the cluster. If you have more nodes you can disable > > this feature and and/or use stonith. > > Is disabling the quorum a binary decision, or can I choose the percentage?
no-quorum-policy= no-quorum-policy (enum, [stop]): What to do when the cluster does not have quorum. Allowed values: stop, freeze, ignore, suicide > > Anyway: I would advise you not to use heartbeat any more, but to upgrade > > to pacemaker. > > We want to use pacemaker, however pacemaker in turn uses heartbeat (?) ... > > ... except that pacemaker can also use openais instead of heartbeat, > is that what you mean? > > Regards, Colin pacemaker can use both. Teh difference is that openais is maintained. -- Dr. Michael Schwartzkopff MultiNET Services GmbH Addresse: Bretonischer Ring 7; 85630 Grasbrunn; Germany Tel: +49 - 89 - 45 69 11 0 Fax: +49 - 89 - 45 69 11 21 mob: +49 - 174 - 343 28 75 mail: [email protected] web: www.multinet.de Sitz der Gesellschaft: 85630 Grasbrunn Registergericht: Amtsgericht München HRB 114375 Geschäftsführer: Günter Jurgeneit, Hubert Martens --- PGP Fingerprint: F919 3919 FF12 ED5A 2801 DEA6 AA77 57A4 EDD8 979B Skype: misch42 _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
