On Wed, Mar 14, 2018 at 12:40 AM, Andreas M. Iwanowski <[email protected]> wrote: > Dear folks, > > We are currently trying to set up a multimaster cluster and use a cloned > ocf_heartbeat_IPaddr2 resource to share the IP address. > > We have, however, run into a problem that, when a cluster member is taken > offline, the MAC for the IP address changes from the multicast-MAC to the > interface mac of the remaining host. > When the other host is put pack online, pings to the cluster IP time out when > it changes back to multicast (until the ARP cache on the router expires). >
What exactly offline means? Host failure? You put node in standby in pacemaker? When MAC changes - immediately or after host/cluster restart? > Is there any way to prevent network devices from learning the interface MACs? > I.e. even if one host is servicing both resources, use the multicast MAC? > Any help would be appreciated! > > Here is the pcs status: > =========================== > Cluster name: test_svc > WARNING: corosync and pacemaker node names do not match (IPs used in setup?) > Stack: corosync > Current DC: host1 (version 1.1.16-12.el7_4.8-94ff4df) - partition with quorum > Last updated: Tue Mar 13 07:12:07 2018 Last change: Sun Mar 11 17:17:04 2018 > by hacluster via crmd on host1 > > 2 nodes configured > 2 resources configured > > Online: [ host1 host2 ] > I guess output when one host is "offline" would be needed here. > Full list of resources: > > Clone Set: RedmineIP-clone [RedmineIP] (unique) > RedmineIP:0 (ocf::heartbeat:IPaddr2): Started host1 > RedmineIP:1 (ocf::heartbeat:IPaddr2): Started host2 > > Daemon Status: > corosync: active/disabled > pacemaker: active/disabled > pcsd: active/enabled > =========================== > _______________________________________________ Users mailing list: [email protected] https://lists.clusterlabs.org/mailman/listinfo/users Project Home: http://www.clusterlabs.org Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf Bugs: http://bugs.clusterlabs.org
