[jira] [Created] (HDDS-6886) No longer use HEALTHY_READONLY state to indicate pre-finalized datanodes

["Ethan Rose (Jira)" <ji...@apache.org>]

Ethan Rose created HDDS-6886:
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             Summary: No longer use HEALTHY_READONLY state to indicate pre-finalized datanodes
                 Key: HDDS-6886
                 URL: https://issues.apache.org/jira/browse/HDDS-6886
             Project: Apache Ozone
          Issue Type: Sub-task
            Reporter: Ethan Rose


The upgrade framework introduced the HEALTHY_READONLY state, which datanodes are moved to when their metadata layout version is behind SCM's. With the option for finalization to not block write operations, a 1-to-1 correspondence between this state and a datanode that needs finalization no loner makes sense.

This Jira is an investigative task to figure out how to better handle this without major incompatible proto changes. In the mean time SCM can continue to use the state to refer to datanodes that need finalization without any correctness issues, but it may pose confusion for developers and users in the long term.



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