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https://issues.apache.org/jira/browse/HDFS-12716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16567815#comment-16567815
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genericqa commented on HDFS-12716:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  6s{color} 
| {color:red} HDFS-12716 does not apply to trunk. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-12716 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12934214/HDFS-12716_branch-2.patch
 |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/24689/console |
| Powered by | Apache Yetus 0.8.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



>  '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: Ranith Sardar
>            Priority: Major
>             Fix For: 3.2.0, 3.0.4, 3.1.2
>
>         Attachments: HDFS-12716.002.patch, HDFS-12716.003.patch, 
> HDFS-12716.004.patch, HDFS-12716.005.patch, HDFS-12716.006.patch, 
> HDFS-12716.patch, HDFS-12716_branch-2.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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