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Posted to hdfs-dev@hadoop.apache.org by "Vinay (JIRA)" <ji...@apache.org> on 2012/08/06 08:27:02 UTC

[jira] [Created] (HDFS-3765) Namenode INITIALIZESHAREDEDITS should be able to initialize all shared storages

Vinay created HDFS-3765:
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             Summary: 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


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).

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