corosync CPU usage spikes briefly whenever a resource operation takes place in a RHEL 6 High Availability cluster with rgmanager

Solution In Progress - Updated -

Issue

  • CPU usage by corosync spikes on the active node
  • I see higher CPU usage from corosync while resource operations are running
  • corosync CPU usage goes up when resources are logging messages
  • Why do I see a long string of corosync CONFDB lib_init_fn and exit_fn messages frequently?
Jul 31 16:25:40 corosync [CONFDB] exit_fn for conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] lib_init_fn: conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] exit_fn for conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] lib_init_fn: conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] exit_fn for conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] lib_init_fn: conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] exit_fn for conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] lib_init_fn: conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] exit_fn for conn=0x1591bb0
Jul 31 16:25:40 corosync [CONFDB] lib_init_fn: conn=0x1591bb0

Environment

  • Red Hat Enterprise Linux (RHEL) 6 with the High Availability Add On
  • rgmanager

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content