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https://issues.apache.org/jira/browse/HDDS-5560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17641019#comment-17641019
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Nishit Patira commented on HDDS-5560:
-------------------------------------
To understand correctly, what we want to do is, for the file
metadata/dnlayoutversion/VERSION,
# Let the value remain the datanode ID.
# Rather rename the attribute name from `clusterId` to `datanodeId`.
Is that right?
> Datanodes' dnlayoutversion/VERSION file contains incorrect cluster ID
> ---------------------------------------------------------------------
>
> Key: HDDS-5560
> URL: https://issues.apache.org/jira/browse/HDDS-5560
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Ethan Rose
> Assignee: Nishit Patira
> Priority: Major
> Labels: newbie
>
> Taken from a datanode as part of a docker cluster
> Global version file at metadata/dnlayoutversion/VERSION (incorrect cluster
> ID):
> {code:java}
> #Fri Jul 23 17:52:54 UTC 2021
> firstUpgradeActionLayoutVersion=2
> cTime=1627062428170
> clusterID=18539b4c-28ae-4dfb-a668-6437c2df56f6
> nodeType=DATANODE
> layoutVersion=2
> {code}
> Volume specific version file at hdds/hdds/VERSION (correct):
> {code:java}
> #Fri Jul 23 17:45:20 UTC 2021
> datanodeUuid=18539b4c-28ae-4dfb-a668-6437c2df56f6
> ctime=1627062320832
> clusterID=CID-faab32bd-91e1-4ffc-a942-e4252d8af722
> layOutVersion=1
> storageID=DS-1876fa77-6c75-4b91-b724-7802a362af52
> {code}
> Global datanode.id file (correct):
> {code:java}
> !!org.apache.hadoop.ozone.container.common.helpers.DatanodeIdYaml$DatanodeDetailsYaml
> {
> certSerialId: null,
> currentVersion: 1,
> hostName: b08914e5c4ae,
> initialVersion: 1,
> ipAddress: 10.9.0.15,
> persistedOpState: IN_SERVICE,
> persistedOpStateExpiryEpochSec: 0,
> portDetails: {
> },
> uuid: 18539b4c-28ae-4dfb-a668-6437c2df56f6
> }
> {code}
>
> All datanodes use the same cluster ID in their volume specific version files,
> and SCM shows a matching cluster ID. This means the value
> CID-faab32bd-91e1-4ffc-a942-e4252d8af722 is the correct cluster ID. The other
> two files show the datanode UUID as 18539b4c-28ae-4dfb-a668-6437c2df56f6,
> which is incorrectly used as the cluster ID in the global datanode version
> file.
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