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Posted to issues@ozone.apache.org by "Stephen O'Donnell (Jira)" <ji...@apache.org> on 2024/01/11 16:43:00 UTC

[jira] [Resolved] (HDDS-10113) UNHEALTHY replicas of QUASI_CLOSED container with unique origins should be handled during decommission

     [ https://issues.apache.org/jira/browse/HDDS-10113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephen O'Donnell resolved HDDS-10113.
--------------------------------------
    Fix Version/s: 1.5.0
       Resolution: Fixed

> UNHEALTHY replicas of QUASI_CLOSED container with unique origins should be handled during decommission
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HDDS-10113
>                 URL: https://issues.apache.org/jira/browse/HDDS-10113
>             Project: Apache Ozone
>          Issue Type: Sub-task
>          Components: SCM
>            Reporter: Siddhant Sangwan
>            Assignee: Siddhant Sangwan
>            Priority: Critical
>              Labels: pull-request-available
>             Fix For: 1.5.0
>
>
> A QUASI_CLOSED container may have UNHEALTHY replicas with the correct sequence ID which have unique origin Datanodes. If any of these UNHEALTHY replicas is being taken offline, then it needs to be replicated to another DN for decommission to progress. Currently, decommission will simply proceed without replication, and such an UNHEALTHY replica will be lost. 
> We try to save such UNHEALTHY replicas because in the future HDDS may have the ability to restore these replicas to a healthy state. Then, these replicas can be used to achieve quorum and close the QUASI_CLOSED container.



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