After running 'pcs cluster unstandby' on multiple nodes simultaneously, only one unstandby command succeeds
Issue
- After running
pcs cluster unstandbyon two nodes simultaneously, commands on both nodes appear to succeed with return-code 0 but in reality only one node goes into unstandby.
Environment
- Red Hat Enterprise Linux 7.4 with High-Availability or Resilient Storage Add-on
- Pacemaker
pcs-0.9.157-1.el7or possibly earlier versions
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