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Posted to hdfs-dev@hadoop.apache.org by "Eli Collins (JIRA)" <ji...@apache.org> on 2011/04/20 01:56:05 UTC

[jira] [Created] (HDFS-1847) Datanodes should decomission themselves on volume failure

Datanodes should decomission themselves on volume failure
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                 Key: HDFS-1847
                 URL: https://issues.apache.org/jira/browse/HDFS-1847
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: data-node
            Reporter: Eli Collins
             Fix For: 0.23.0


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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