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https://issues.apache.org/jira/browse/HDFS-3765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vinay updated HDFS-3765:
------------------------

    Description: 
Currently, NameNode INITIALIZESHAREDEDITS provides ability to copy the edits 
files to file schema based shared storages when moving cluster from Non-HA 
environment to HA enabled environment.

This Jira focuses on the following
* Generalizing the logic of copying the edits to new shared storage so that any 
schema based shared storage can initialized for HA cluster.

  was:
Currently, NameNode INITIALIZESHAREDEDITS provides ability to copy the edits 
files to file schema based shared storages when moving cluster from Non-HA 
environment to HA enabled environment.

This Jira focuses on the following
* Generalizing the logic of copying the edits to new shared storage so that any 
schema based shared storage can initialized for HA cluster.
* Ability to Initialize new shared storage from existing shared storage when 
moving from One shared storage to another shared storage (Might be because of 
cost, performance, etc. For ex: Moving from NFS to BKJM/QJM).

    
> Namenode INITIALIZESHAREDEDITS should be able to initialize all shared 
> storages
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-3765
>                 URL: https://issues.apache.org/jira/browse/HDFS-3765
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: ha
>    Affects Versions: 2.1.0-alpha, 3.0.0
>            Reporter: Vinay
>            Assignee: Vinay
>         Attachments: HDFS-3765.patch, HDFS-3765.patch
>
>
> Currently, NameNode INITIALIZESHAREDEDITS provides ability to copy the edits 
> files to file schema based shared storages when moving cluster from Non-HA 
> environment to HA enabled environment.
> This Jira focuses on the following
> * Generalizing the logic of copying the edits to new shared storage so that 
> any schema based shared storage can initialized for HA cluster.

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