[jira] [Resolved] (HDDS-4183) [FSO] Support backward compatible upgrade to a version with key prefix management

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

     [ https://issues.apache.org/jira/browse/HDDS-4183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ethan Rose resolved HDDS-4183.
------------------------------
    Resolution: Duplicate

I'm resolving this in favor of HDDS-6040, since they look to be the same issue.

> [FSO] Support backward compatible upgrade to a version with key prefix management
> ---------------------------------------------------------------------------------
>
>                 Key: HDDS-4183
>                 URL: https://issues.apache.org/jira/browse/HDDS-4183
>             Project: Apache Ozone
>          Issue Type: Sub-task
>          Components: Ozone Manager
>            Reporter: Aravindan Vijayan
>            Assignee: Ethan Rose
>            Priority: Blocker
>
> HDDS-2939 makes fundamental changes to how OM writes & reads its metadata. Since this is about as big a layout change as can be, we have to make sure this is properly managed through the upgrade flow. In addition to upgrades, we should support downgrades from pre-finalized state of OM. 
> Individual Work Items
> * An un-finalized OM cannot allow a client to create FSO based buckets.
> * Default layout is O_S / LEGACY_FS in un-finalized & FSO post finalization)
> * An explicit request to crate FSO bucket pre-finalization should fail.
> * Add acceptance or integration test to capture the above.
> cc [~rakeshr] / [~msingh]



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