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From "Todd Lipcon (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3103) HA NN should be able to handle some cases of storage dir recovery on start
Date Thu, 15 Mar 2012 21:26:38 GMT
HA NN should be able to handle some cases of storage dir recovery on start
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                 Key: HDFS-3103
                 URL: https://issues.apache.org/jira/browse/HDFS-3103
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: ha, name-node
    Affects Versions: 0.24.0, 0.23.3
            Reporter: Todd Lipcon


As a shortcut in developing HA, we elected not to deal with the case of storage directory
recovery while HA is enabled. But there are many cases where we can and should handle it.
For example, if the user configures two local dirs and one shared dir, but one of the local
dirs is empty at startup, we should be able to re-format the empty dir from the other local
dir.

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