Ethan Rose created HDDS-5023:
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Summary: Datanodes should always use MLV 0 when no VERSION file is
present
Key: HDDS-5023
URL: https://issues.apache.org/jira/browse/HDDS-5023
Project: Apache Ozone
Issue Type: Sub-task
Reporter: Ethan Rose
Assignee: Ethan Rose
Since older versions of the code did not have a VERSION file for datanodes,
they should assume they are pre-finalized and use layout version 0 by default
when no VERSION file is present. If they are being started fresh (not part of
an upgrade), SCM will tell them to finalize and they will move to match SCM's
layout version after one heartbeat.
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