On Wed, Jun 03, 2009 at 01:06:02PM +0200, Michael Schwartzkopff wrote: > Am Mittwoch, 3. Juni 2009 12:52:14 schrieb [email protected]: > > Hello all. > > > > > > > > Is there now any use to having the 2nd interface connected with HA? > > Redundancy in the heartbeat path. > > > When previously configuring servers with HB 2.1.3, LVS and ldirectord I > > had the resources listeing on eth1 and had heartbeat communicate over > > eth0 on both servers to try and cut down on noise. > > If you do not want to have the broadcast traffic on your net, use the ucast > statement in ha.cf > > > Is there any reason to do this and if so in what way would you set it up > > using single HA resources in a 2-node HA cluster? > > Use: Redundancy of heartbeat path. > > Setup: > on node1: > bcast eth0 > ucast eth1 <ip address of node2 on eth0> > > on node2: > bcast eth0 > ucast eth1 <ip address of node1 on eth0>
Adding > ucast eth1 <ip address of node1 on eth0> > ucast eth1 <ip address of node2 on eth0> in both ha.cf works as well. That way ha.cf remains equal on all nodes. > But anyway, using the resources net for heartbeat communication is not the > best idea. Why not? Because of noise? There's not much traffic with heartbeat. Of course, in this case it is preferable to use unicast. Thanks, Dejan > Better add a interface card to you server and user additionally > eth2. > > By the way: When adding a new IF to the node you also could upgrade from > 2.1.3 > to pacemaker. > > Greetings, > > > -- > 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 M?nchen HRB 114375 > Gesch?ftsf?hrer: G?nter 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 _______________________________________________ Linux-HA mailing list [email protected] http://lists.linux-ha.org/mailman/listinfo/linux-ha See also: http://linux-ha.org/ReportingProblems
