ironic/releasenotes/notes/power-fault-recovery-6e22f0...

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---
features:
- |
Adds power failure recovery to ironic. For nodes that ironic had put into
maintenance mode due to power failure, ironic periodically checks their
power state, and moves them out of maintenance mode when power state can
be retrieved. The interval of this check is configured via
``[conductor]power_failure_recovery_interval`` configuration option, the
default value is 300 (seconds). Set to 0 to disable this behavior.
upgrade:
- |
Power failure recovery introduces a new configuration option
``[conductor]power_failure_recovery_interval``, which is enabled and set
to 300 seconds by default. In case the default value is not suitable for
the needs or scale of a deployment, please make adjustment or turn it off
during upgrade.
- |
Power failure recovery does not apply to nodes that were in maintenance
mode due to power failure before upgrade, they have to be manually moved
out of maintenance mode.