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https://issues.apache.org/jira/browse/HDDS-9782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sadanand Shenoy reassigned HDDS-9782:
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Assignee: Sadanand Shenoy
> Changing the Ozone service Id makes the cluster[OM] state irrecoverable
> -----------------------------------------------------------------------
>
> Key: HDDS-9782
> URL: https://issues.apache.org/jira/browse/HDDS-9782
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Arun Sarin
> Assignee: Sadanand Shenoy
> Priority: Major
>
> Changing the Ozone service Id makes the cluster state irrecoverable
> Scenario:
> 1. Change the Ozone Service ID from ozone1 to say ozone2
> 2. Restart the cluster.
> 3. The cluster fails to come up and throws an error.
> Now will the cluster go in unrecoverable state?
> Change the service id back to original [Ozone 1] that will be allowed or its
> not allowed ?
> Repro Steps to be Followed :
> 1. Change the Ozone Service ID , say from ozone1 to say Ozone2.
> 2. Restart the cluster.
> 3. The cluster fails to come up and throws an error.
> 4. Revert the Ozone Service ID name to what it was [Ozone1].
> 5. Do a cluster restart.
> 6. OM doesn't start back again & cluster goes in bad state.
> Note : We update only ozone.om.service.id .
> ozone.metadata.dir and ozone.om.db.dir were not updated.
>
> Also it was observed that
> {code:java}
> There are 2 ratis group directories created here which should not happen
> [root@host-1 hadoop-ozone]# cd /var/lib/hadoop-ozone/om/ratis
> [root@host-1 ratis]# ls
> a870c7c2-351a-3867-aca7-b9a5b4809b76 d39ebeec-41e8-35f1-a92b-9f198c4c3682
> {code}
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