RHEL High Availability cluster nodes on IBM z/VM experience STONITH-device timeouts around midnight on a nightly basis
Issue
- My z/VM guest cluster-nodes report STONITH-device monitor timeouts around midnight
- IBM z Systems guests are failing to fence - showing timeouts from the fence-device
- z/VM guest fencing through SMAPI is slow or failing around midnight on a nightly basis
Environment
- Red Hat Enterprise Linux (RHEL) 7 with the High Availability Add-On
- Cluster members are z/VM guests using
fence_zvmpiSMAPI fencing
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