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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8007) HA: use substitution token for fencing argument
Date Wed, 04 Apr 2012 05:53:21 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Todd Lipcon updated HADOOP-8007:
--------------------------------

     Target Version/s: 2.0.0  (was: 0.24.0)
    Affects Version/s:     (was: 0.24.0)
                       2.0.0
               Status: Patch Available  (was: Open)
    
> HA: use substitution token for fencing argument
> -----------------------------------------------
>
>                 Key: HADOOP-8007
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8007
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ha
>    Affects Versions: 2.0.0
>            Reporter: Aaron T. Myers
>            Assignee: Todd Lipcon
>         Attachments: hadoop-8007.txt
>
>
> Per HADOOP-7983 currently the fencer always passes the target host:port to fence as the
first argument to the fence script, it would be better to use a substitution token. That is
to say, the user would configure "myfence.sh $TARGETHOST foo bar" and Hadoop would substitute
the target. This would allow use of pre-existing scripts that might have a different ordering
of arguments without a wrapper.

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