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Posted to issues@ozone.apache.org by "Ethan Rose (Jira)" <ji...@apache.org> on 2021/08/09 17:56:05 UTC
[jira] [Updated] (HDDS-4183) [FSO]Support backward compatible
upgrade to a version with key prefix management
[ https://issues.apache.org/jira/browse/HDDS-4183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ethan Rose updated HDDS-4183:
-----------------------------
Priority: Blocker (was: Major)
> [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
> Fix For: 1.2.0
>
>
> 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.
> cc [~rakeshr] / [~msingh]
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