Ivan Andika created HDDS-12109:
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Summary: Transfer leadership should not run until target SCM is
not in safe mode
Key: HDDS-12109
URL: https://issues.apache.org/jira/browse/HDDS-12109
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Ivan Andika
We encountered an incident where an administrator restarted an SCM and transfer
leadership to it immediately while it's still in safe mode. The leadership was
transferred to the SCM in safe mode.
However, the new leader cannot serve any requests causing user write requests
to block until the new leader SCM is out of safe mode.
We can add a mechanism to prevent transfer leadership if the target SCM is
still in safe mode. This can be implemented on Ozone / Ratis side.
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