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From "Rafal Wojdyla (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-6082) List all NNs with state
Date Sun, 09 Mar 2014 19:36:42 GMT
Rafal Wojdyla created HDFS-6082:

             Summary: List all NNs with state
                 Key: HDFS-6082
                 URL: https://issues.apache.org/jira/browse/HDFS-6082
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: ha, namenode
            Reporter: Rafal Wojdyla

HAAdmin let's you determine state of *given* service. It would be nice to have a call to determine
states of all Namenodes (services?), something like:

hdfs haadmin -getServicesState

And the output would be:
hostname | state

This can be implemented at HAAdmin level - for all HA services or at DFSHAAdmin level - for
Namenode HA only.

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