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From "Eli Collins (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-7938) HA: the FailoverController should optionally fence the active during failover
Date Thu, 22 Dec 2011 02:35:30 GMT
HA: the FailoverController should optionally fence the active during failover
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                 Key: HADOOP-7938
                 URL: https://issues.apache.org/jira/browse/HADOOP-7938
             Project: Hadoop Common
          Issue Type: Sub-task
          Components: ha
    Affects Versions: HA Branch (HDFS-1623)
            Reporter: Eli Collins
            Assignee: Eli Collins
             Fix For: HA Branch (HDFS-1623)


The FailoverController in HADOOP-7924 needs to be able to fence off the current active in
case it fails to transition to standby (or the user requests it for sanity). This is needed
even for manual failover (the CLI should use the configured fencing mechanism). The FC needs
to access the HDFS-specific implementations HDFS-2179, could add a common fencing interface
(or just shell out but we may not always want to do that).

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