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From "Suresh Srinivas (Assigned) (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-2781) Add client protocol and DFSadmin for command to restore failed storage
Date Mon, 12 Mar 2012 03:12:50 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Suresh Srinivas reassigned HDFS-2781:
-------------------------------------

    Assignee: Brandon Li  (was: Eli Collins)
    
> Add client protocol and DFSadmin for command to restore failed storage
> ----------------------------------------------------------------------
>
>                 Key: HDFS-2781
>                 URL: https://issues.apache.org/jira/browse/HDFS-2781
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: hdfs client, name-node
>    Affects Versions: 0.24.0
>            Reporter: Aaron T. Myers
>            Assignee: Brandon Li
>
> Per HDFS-2769, it's important that an admin be able to ask the NN to try to restore failed
storage since we may drop into SM until the shared edits dir is restored (w/o having to wait
for the next checkpoint). There's currently an API (and usage in DFSAdmin) to flip the flag
indicating whether the NN should try to restore failed storage but not that it should actually
attempt to do so. This jira is to add one. This is useful outside HA but doing as an HDFS-1623
sub-task since it's motivated by HA.

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