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From "usharani (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12716) 'dfs.datanode.failed.volumes.tolerated' to support minimum number of volumes to be available
Date Thu, 26 Oct 2017 11:04:01 GMT
usharani created HDFS-12716:
-------------------------------

             Summary:  'dfs.datanode.failed.volumes.tolerated' to support minimum number of
volumes to be available
                 Key: HDFS-12716
                 URL: https://issues.apache.org/jira/browse/HDFS-12716
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: datanode
            Reporter: usharani


  Currently 'dfs.datanode.failed.volumes.tolerated' supports number of tolerated failed volumes
to be mentioned. This configuration change requires restart of datanode. Since datanode volumes
can be changed dynamically, keeping this configuration same for all may not be good idea.
    Support 'dfs.datanode.failed.volumes.tolerated' to accept special 'negative value 'x'
to tolerate failures of upto "n-x"




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