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From "Brahma Reddy Battula (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7324) HDFS HAADMIN--- Usage message is misleading for haadmin
Date Mon, 03 Nov 2014 07:09:33 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14194314#comment-14194314

Brahma Reddy Battula commented on HDFS-7324:

want to change like following..Please let me know comments on same..

 *"Usage: haadmin"* 

> HDFS HAADMIN--- Usage message is misleading for haadmin
> -------------------------------------------------------
>                 Key: HDFS-7324
>                 URL: https://issues.apache.org/jira/browse/HDFS-7324
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, tools
>            Reporter: Brahma Reddy Battula
>            Assignee: Brahma Reddy Battula
> Scenario:
> =======
> Try the help command for hadadmin like following..
> Here usage is coming as "DFSHAAdmin -ns", Ideally this not availble which we can check
following command.
> [root@linux156 bin]#  *{color:red}./hdfs haadmin{color}* 
> No GC_PROFILE is given. Defaults to medium.
>  *{color:red}Usage: DFSHAAdmin [-ns <nameserviceId>]{color}* 
>     [-transitionToActive <serviceId> [--forceactive]]
>     [-transitionToStandby <serviceId>]
>     [-failover [--forcefence] [--forceactive] <serviceId> <serviceId>]
>     [-getServiceState <serviceId>]
>     [-checkHealth <serviceId>]
>     [-help <command>]
> Generic options supported are
> -conf <configuration file>     specify an application configuration file
> -D <property=value>            use value for given property
> -fs <local|namenode:port>      specify a namenode
> -jt <local|jobtracker:port>    specify a job tracker
> -files <comma separated list of files>    specify comma separated files to be copied
to the map reduce cluster
> -libjars <comma separated list of jars>    specify comma separated jar files to
include in the classpath.
> -archives <comma separated list of archives>    specify comma separated archives
to be unarchived on the compute machines.
> The general command line syntax is
> bin/hadoop command [genericOptions] [commandOptions]
>  *{color:blue}[root@linux156 bin]# ./hdfs DFSHAAdmin -ns 100{color}*  
> Error: Could not find or load main class DFSHAAdmin

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