[
https://issues.apache.org/jira/browse/HDFS-2918?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eli Collins updated HDFS-2918:
------------------------------
Summary: HA: Update HA docs to cover dfsadmin (was: HA: dfsadmin should
failover like other clients)
Yup, I filed HDFS-2922 for that with a patch. We need to update the HA docs to
cover the behavior of dfsadmin (eg which operations failover, which don't and
why, which should be performed only on the active, which are OK to do on the
standby). Once we can name the specific namenode IDs in dfsadmin (HDFS-2916) I
think it will be more clear / easy for users. Re-purposing this jira to update
the docs.
> HA: Update HA docs to cover dfsadmin
> ------------------------------------
>
> Key: HDFS-2918
> URL: https://issues.apache.org/jira/browse/HDFS-2918
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Eli Collins
> Assignee: Eli Collins
>
> dfsadmin currently always uses the first namenode rather than failing over.
> It should failover like other clients, unless fs specifies a specific
> namenode.
> {noformat}
> hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs haadmin -failover nn1 nn2
> Failover from nn1 to nn2 successful
> # nn2 is 8022
> hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -fs localhost:8022 -safemode
> enter
> Safe mode is ON
> hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -safemode get
> Safe mode is OFF
> hadoop-0.24.0-SNAPSHOT $ ./bin/hdfs dfsadmin -fs localhost:8022 -safemode get
> Safe mode is ON
> {noformat}
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
