What is the correct way to recover from Total Compute Node Failure?
Issue
- While testing a host marked as offline (for testing failures on HW, etc) what's the correct procedure to have the instances to be rebooted on the surviving nodes.
- Not having the Compute HA configured.
- This is not Nova planned maintenance.
Environment
- Red Hat Entrerpise Linux OpenStack Platform 6 '(Juno Based).
- Red Hat Entrerpise Linux OpenStack Platform 7 '(Kilo Based).
- Red Hat OpenStack Platform 8 '(Liberty Based).
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