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https://issues.apache.org/jira/browse/HDDS-6209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17479630#comment-17479630
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Ethan Rose commented on HDDS-6209:
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Client versioning to handle forward and backward compatibility are being
implemented in HDDS-6182. Those changes will probably be useful here.
> EC: Forward compatibility issue: New client to older server could fail due to
> the unavailability for client default replication config
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDDS-6209
> URL: https://issues.apache.org/jira/browse/HDDS-6209
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: OM, Ozone Client
> Affects Versions: EC-Branch
> Reporter: Uma Maheswara Rao G
> Assignee: István Fajth
> Priority: Major
>
> In EC branch code, we removed the client side default configurations and
> moved the default configurations to server side.
> In case of client upgraded with newer client, but server are still old, will
> not understand the situation of client config unavailability as older server
> always expects the replication configs from client.
>
> I think as part of S3G, there are some implementations to handle the version
> incompatibilities. example OM handshaking it's version to client and client
> maintaining it's current version could help to solve the issue.
>
> CC: [~erose]
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