Ethan Rose created HDDS-6887:
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Summary: Make SCM determine the schema version of new containers
Key: HDDS-6887
URL: https://issues.apache.org/jira/browse/HDDS-6887
Project: Apache Ozone
Issue Type: Sub-task
Components: Ozone Datanode, SCM
Reporter: Ethan Rose
Assignee: Ethan Rose
Currently when SCM instructs a pipeline of datanodes to create a container, it
does not specify the schema version (disk layout) of that container. Some
layout features like HDDS-3630 may introduce new container schemas or other
features specific to new containers. If we want to finalize these features
without closing all containers or blocking new container creation, SCM must
instruct all datanodes in a pipeline to create containers in accordance with
the lowest metadata layout version present on any datanode. This ensures that
all replicas of the same container are using the same schema version.
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