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From "usharani (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12716) 'dfs.datanode.failed.volumes.tolerated' to support minimum number of volumes to be available
Date Mon, 08 Jan 2018 12:25:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12716?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

usharani updated HDFS-12716:
----------------------------
    Status: Patch Available  (was: Open)

>  '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
>            Assignee: usharani
>         Attachments: HDFS-12716.patch
>
>
>   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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