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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