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https://issues.apache.org/jira/browse/HDFS-7035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-7035:
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Summary: Make adding volume an atomic operation. (was: Refactor
DataStorage and BlockSlicePoolStorage )
> Make adding volume an atomic operation.
> ---------------------------------------
>
> Key: HDFS-7035
> URL: https://issues.apache.org/jira/browse/HDFS-7035
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode
> Affects Versions: 2.5.0
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Attachments: HDFS-7035.000.combo.patch, HDFS-7035.000.patch,
> HDFS-7035.001.combo.patch, HDFS-7035.001.patch, HDFS-7035.002.patch,
> HDFS-7035.003.patch, HDFS-7035.003.patch, HDFS-7035.004.patch
>
>
> {{DataStorage}} and {{BlockPoolSliceStorage}} share many similar code path.
> This jira extracts the common part of these two classes to simplify the logic
> for both.
> This is the ground work for handling partial failures during hot swapping
> volumes.
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