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From "Harsh J (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-1847) Datanodes should decomission themselves on volume failure
Date Sun, 17 Jun 2012 17:44:43 GMT

     [ https://issues.apache.org/jira/browse/HDFS-1847?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Harsh J updated HDFS-1847:

    Fix Version/s:     (was: 0.24.0)
> Datanodes should decomission themselves on volume failure
> ---------------------------------------------------------
>                 Key: HDFS-1847
>                 URL: https://issues.apache.org/jira/browse/HDFS-1847
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: data-node
>            Reporter: Eli Collins
> A DN should decommission itself rather than shutdown whenever the configured threshold
of volume failures (dfs.datanode.failed.volumes.tolerated) has been reached. This allows the
namenode to distinguish between a datanode that might not come back up soon (and will need
replication) vs one that is just restarting.

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