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https://issues.apache.org/jira/browse/HDFS-14512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16848561#comment-16848561
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Shen Yinjie commented on HDFS-14512:
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[~ayushtkn] and [~jojochuang] Thanks for your comment!
Yes, I had two disks ,one for DISK and one for SSD
It is used by HBase to catch the best regionservers

> ONE_SSD policy will be violated while write data with 
> DistributedFileSystem.create(....favoredNodes)
> ----------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-14512
>                 URL: https://issues.apache.org/jira/browse/HDFS-14512
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Shen Yinjie
>            Priority: Major
>
> Reproduce steps:
> 1.setStoragePolicy ONE_SSD for a path A;
> 2. client  write data to path A by 
> DistributedFileSystem.create(...favoredNodes) and Passing parameter 
> favoredNodes
> then, three replicas of file in this path will be located in 2 SSD  and 
> 1DISK,which is violating the ONE_SSD policy. 
> Not sure am I clear?



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