Am Donnerstag, 6. März 2008 13:34 schrieb Geoffroy ARNOUD: > > > Hi all, > > > > > > I am setting up a simple HA cluster for mysql database (active/passive > > > with DRBD). > > > My 2 servers will have a direct network link (bonded) for DRBD > > > replication and heartbeat communication. > > > For database access and 2nd heartbeat communication path, network > > > links will also be redunded, toward 2 different switches. > > > > > > My question is: If I set up 2 communications path for heartbeat and > > > use dopd, do I need to deploy fencing? > > > > The propability of a split-brain case with redundant heartbeat is of > > course lower than with one link. But the propability is NOT zero. You > > have to decide if you can live with that risk. > > Thank you for your answer. I think I will live with this risk, given > that my cluster is not designed to support dual failures. > > By the way, I am sorry for having posted the message several times, I > thought messages were not received. > > Geoff.
Linux-HA ist also NOT designed to deal with double failures. So taking this risc should be OK. But always have a good backup system, just in case ... -- 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
