Sarveksha Yeshavantha Raju created HDDS-14103:
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Summary: Create an option in SCM and Recon to ack/ignore missing
containers
Key: HDDS-14103
URL: https://issues.apache.org/jira/browse/HDDS-14103
Project: Apache Ozone
Issue Type: Improvement
Reporter: Sarveksha Yeshavantha Raju
Assignee: Sarveksha Yeshavantha Raju
Ozone currently has no way to clear missing containers from the system. Even if
all the data is deleted from the OM, the block deletes will never leave SCM
because it has no replicas to send them to. As a short term mitigation, we can
add a CLI to SCM that supports “acking“ missing containers by ID if the admin
confirms they are not a problem, so they do not mask future issues. This would
remove them from ozone admin container report output and the missing container
count metric. This would need to be persisted in the ContainerInfo in SCM, and
we probably would want to show this property in ozone admin container info
--json. There should also be a CLI to raise containers as an issue again and to
query the list of acked missing containers. Recon can then use this API to keep
its missing container alerts in sync with SCM. This is purely cosmetic and
would be applied as a mask on top of existing container reporting to the user.
We do not need to change how replication manager handles these containers
internally.
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