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https://issues.apache.org/jira/browse/HDFS-11109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated HDFS-11109:
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Target Version/s: 3.5.0 (was: 3.4.0)
> ViewFileSystem Df command should work even when the backing NameServices are
> down
> ---------------------------------------------------------------------------------
>
> Key: HDFS-11109
> URL: https://issues.apache.org/jira/browse/HDFS-11109
> Project: Hadoop HDFS
> Issue Type: Task
> Affects Versions: 3.0.0-alpha1
> Reporter: Manoj Govindassamy
> Assignee: Manoj Govindassamy
> Priority: Major
> Labels: viewfs
>
> With HDFS-11058, Df command will work well with ViewFileSystem. federated
> cluster can be backed up several NameServers, with each managing their own
> NameSpaces. Even when some of the NameServers are down, the Federated cluster
> will continue to work well for the NameServers that are alive.
> But {{hadoop fs -df}} command when run against the Federated cluster expects
> all the backing NameServers to be up and running. Else, the command errors
> out with exception.
> Would be preferable to have the federated cluster commands highly available
> to match the NameSpace partition availability.
> {noformat}
> #hadoop fs -df -h /
> df: Call From manoj-mbp.local/172.16.3.66 to localhost:52001 failed on
> connection exception: java.net.ConnectException: Connection refused; For more
> details see: http://wiki.apache.org/hadoop/ConnectionRefused
> {noformat}
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