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From "Aaron T. Myers (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2916) HA: allow dfsadmin to refer to a particular namenode
Date Sat, 03 Mar 2012 01:31:09 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2916?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Aaron T. Myers updated HDFS-2916:
---------------------------------

     Target Version/s: 0.24.0  (was: HA branch (HDFS-1623))
    Affects Version/s:     (was: HA branch (HDFS-1623))
                       0.24.0

Converting to top-level issue with commit of HDFS-1623.
                
> HA: allow dfsadmin to refer to a particular namenode
> ----------------------------------------------------
>
>                 Key: HDFS-2916
>                 URL: https://issues.apache.org/jira/browse/HDFS-2916
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ha
>    Affects Versions: 0.24.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>
> dfsadmin currently fails over like other clients, so if we you want to put a particular
NN in safemode you need to use the "fs" option and specify a host:ipcport target. Like HDFS-2808
it would be useful to be able to specify a logical namenode ID instead of an RPC addr. Since
fs is part of generic options this could potentially apply to all tools, however most tools
want to refer to the default logical namenode URI and failover like other clients.

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