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Posted to hdfs-dev@hadoop.apache.org by "usharani (JIRA)" <ji...@apache.org> on 2017/10/26 11:04:00 UTC
[jira] [Created] (HDFS-12716)
'dfs.datanode.failed.volumes.tolerated' to support minimum number of
volumes to be available
usharani created HDFS-12716:
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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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