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https://issues.apache.org/jira/browse/HDFS-8888?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-8888:
---------------------------------
    Description: 
There are multiple types of zones (e.g., snapshottable directories, encryption 
zones, directories with quotas) which are conceptually close to namespace 
volumes in traditional file systems.

This jira proposes to introduce the concept of volume to simplify the 
implementation of snapshots and encryption zones.

  was:
There are multiple types of zones (e.g., snapshot, encryption zone) which are 
conceptually close to namespace volumes in traditional filesystems.

This jira proposes to introduce the concept of volume to simplify the 
implementation of snapshots and encryption zones.


> Support volumes in HDFS
> -----------------------
>
>                 Key: HDFS-8888
>                 URL: https://issues.apache.org/jira/browse/HDFS-8888
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Haohui Mai
>
> There are multiple types of zones (e.g., snapshottable directories, 
> encryption zones, directories with quotas) which are conceptually close to 
> namespace volumes in traditional file systems.
> This jira proposes to introduce the concept of volume to simplify the 
> implementation of snapshots and encryption zones.



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