Pacemaker fails to authenticate or complete setup due to interference from Instana
Issue
Below commands to authorize nodes in a pacemaker cluster may fail with one or all nodes reporting Operation timed out and Unable to communicate errors:
[root@nodea ~]# pcs host auth nodea nodeb -u hacluster
Password:
Error: Operation timed out
nodeb: Authorized
Error: Unable to communicate with nodea
Below commands to setup nodes in a pacemaker cluster may fail with one or all nodes reporting Failed to connect: Connection refused errors:
[root@nodea ~]# pcs cluster setup cluster1 nodea nodeb
Error: Unable to connect to nodea ( Failed to connect to nodea port 2224: Connection refused)
Error: Unable to connect to nodeb ( Failed to connect to nodeb port 2224: Connection refused)
Error: Errors have occurred, therefore pcs is unable to continue
Environment
- This issue has only been observed in RHEL 8, but it is possible that other major releases running pacemaker may also be affected.
- Instana Application Monitoring tool
Pacemakerpcs
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