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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9850) DiskBalancer : Explore removing references to FsVolumeSpi
Date Tue, 27 Sep 2016 03:48:20 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15524963#comment-15524963
] 

Anu Engineer commented on HDFS-9850:
------------------------------------

[~manojg] Thanks for quick turnaround. I was reading code and something struck me. Could you
please help me understand what would happen in the following scenario ? 

Let us say a plan was executed, then either the source or destination disk was removed/reconfigured
and then I call into queryStatus ? 
Would it work or would it fail ? 




> DiskBalancer : Explore removing references to FsVolumeSpi 
> ----------------------------------------------------------
>
>                 Key: HDFS-9850
>                 URL: https://issues.apache.org/jira/browse/HDFS-9850
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Anu Engineer
>            Assignee: Manoj Govindassamy
>         Attachments: HDFS-9850.001.patch, HDFS-9850.002.patch, HDFS-9850.003.patch
>
>
> In HDFS-9671, [~arpitagarwal] commented that we should explore the possibility of removing
references to FsVolumeSpi at any point and only deal with storage ID. We are not sure if this
is possible, this JIRA is to explore if that can be done without issues.



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