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https://issues.apache.org/jira/browse/HDDS-14047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18051421#comment-18051421
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Gargi Jaiswal edited comment on HDDS-14047 at 1/13/26 4:44 AM:
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The DN reconfiguration problem is because the `dfs.datanode.kerberos.principal`
property value is different in DN and Client side.
DN side *“dfs.datanode.kerberos.principal“* is configured to
*“dn/[email protected]”* in ozone-site.xml, but Client, it uses
{color:#de350b}ozone-site.xml{color} which doesn’t have this property
configured, so it fallback to the property in
{color:#de350b}hdfs-site.xml{color}, where *“dfs.datanode.kerberos.principal”*
value is {*}“hdfs/[email protected]“{*}.
Add “dfs.datanode.kerberos.principal” with value “dn/[email protected]” in
ozone-site.xml will solve the problem.
Its better if we have default value set for `hdds.datanode.kerberos.principal`.
was (Author: JIRAUSER308350):
The DN reconfiguration problem is because the `dfs.datanode.kerberos.principal`
property value is different in DN and Client side.
DN side *“dfs.datanode.kerberos.principal“* is configured to
*“dn/[email protected]”* in ozone-site.xml, but Client, it uses
{color:#de350b}ozone-site.xml{color} which doesn’t have this property
configured, so it fallback to the property in
{color:#de350b}hdfs-site.xml{color}, where *“dfs.datanode.kerberos.principal”*
value is {*}“hdfs/[email protected]“{*}.
Add “dfs.datanode.kerberos.principal” with value “dn/[email protected]” in
/etc/ozone/conf.cloudera.OZONE-1/ozone-site.xml will solve the problem.
Its better if we have default value set for `hdds.datanode.kerberos.principal`.
> [DiskBalancer] Status command fails due to invalid Kerberos principal on
> datanodes
> ----------------------------------------------------------------------------------
>
> Key: HDDS-14047
> URL: https://issues.apache.org/jira/browse/HDDS-14047
> Project: Apache Ozone
> Issue Type: Bug
> Reporter: Elavarasan Kathirvel
> Assignee: Gargi Jaiswal
> Priority: Major
> Labels: diskbalancer
>
> The {{ozone admin datanode diskbalancer status --in-service-datanodes}}
> command fails across all datanodes due to incorrect Kerberos principals.
> Datanodes are using the {{dn/<hostname>}} principal. As a result,
> DiskBalancer cannot authenticate and returns failures for all nodes.
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