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https://issues.apache.org/jira/browse/HDDS-17616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wei-Chiu Chuang resolved HDDS-17616.
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    Resolution: Duplicate

> Document Ozone 2.2.2 upgrade prerequisites and Recon TLS checkpoint workaround
> ------------------------------------------------------------------------------
>
>                 Key: HDDS-17616
>                 URL: https://issues.apache.org/jira/browse/HDDS-17616
>             Project: Apache Ozone
>          Issue Type: Task
>            Reporter: Wei-Chiu Chuang
>            Priority: Major
>              Labels: documentation, website
>
> The Ozone 2.2.2 release notes need release-specific upgrade guidance 
> alongside the existing non-rolling upgrade guide.
> Update the website release notes to cover:
> * Metadata and configuration backups before upgrading.
> * Service principal properties that must be available in every SCM 
> configuration for certificate requests and OM block operations.
> * The Recon full SCM checkpoint download issue introduced by HDDS-17235 when 
> security and gRPC TLS are both enabled. Explain when the startup download is 
> attempted and the conditional existing-database workaround using 
> ozone.recon.scm.snapshot.enabled=false. Periodic container reconciliation 
> remains enabled, while manual full checkpoint downloads remain affected.
> * The absence of a layout-version bump for the 2.2.1 to 2.2.2 patch upgrade.
> Link to the existing upgrade and downgrade guide instead of duplicating its 
> generic procedure. Keep the change scoped to the 2.2.2 release notes. The 
> Recon behavior and workaround are based on source review and have not been 
> validated by a live secure-cluster upgrade test.



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