corosync is repeatedly reporting "A processor joined or left the membership" every few seconds and corosync is using a lot of memory in a RHEL 6 or 7 High Availability cluster
Issue
- I see corosync reporting over and over every few seconds that "A processor joined or left the membership"
Jan 15 12:42:53 node1 corosync[1804]: [TOTEM ] A processor joined or left the membership and a new membership was formed.
Jan 15 12:42:53 node1 corosync[1804]: [CPG ] chosen downlist: sender r(0) ip(10.10.10.1) ; members(old:2 left:0)
Jan 15 12:42:53 node1 corosync[1804]: [MAIN ] Completed service synchronization, ready to provide service.
Jan 15 12:42:56 node1 corosync[1804]: [TOTEM ] A processor joined or left the membership and a new membership was formed.
Jan 15 12:42:56 node1 corosync[1804]: [CPG ] chosen downlist: sender r(0) ip(10.10.10.1) ; members(old:2 left:0)
Jan 15 12:42:56 node1 corosync[1804]: [MAIN ] Completed service synchronization, ready to provide service.
Jan 15 12:43:00 node1 corosync[1804]: [TOTEM ] A processor joined or left the membership and a new membership was formed.
Jan 15 12:43:00 node1 corosync[1804]: [CPG ] chosen downlist: sender r(0) ip(10.10.10.1) ; members(old:2 left:0)
Jan 15 12:43:00 node1 corosync[1804]: [MAIN ] Completed service synchronization, ready to provide service.
corosyncseems to be using a lot of memory and there are repeated "A processor joined or left the membership" messages in the logscorosynccaused anoom-killerkill after the node had been in the cluster for some time.
Environment
- Red Hat Enterprise Linux (RHEL) 6 or 7 with the High Availability Add On
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