dlm_controld waits for fencing which will never occur causing hang
Issue
- GFS2 filesystem hang
dlm_controld[3961]: 19846744 clvmd wait for fencing
- DLM will block indefinitely until the node is rebooted.
Environment
- Red Hat Enterprise Linux 7 with the Resilient Storage Add On
- pacemaker
- GFS2 (Global Filesystem 2)
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