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Posted to hdfs-dev@hadoop.apache.org by "Suresh Srinivas (Created) (JIRA)" <ji...@apache.org> on 2012/01/24 19:06:41 UTC

[jira] [Created] (HDFS-2832) Enable support for heterogeneous storages in HDFS

Enable support for heterogeneous storages in HDFS
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                 Key: HDFS-2832
                 URL: https://issues.apache.org/jira/browse/HDFS-2832
             Project: Hadoop HDFS
          Issue Type: New Feature
    Affects Versions: 0.24.0
            Reporter: Suresh Srinivas
            Assignee: Suresh Srinivas


HDFS currently supports configuration where storages are a list of directories. Typically each of these directories correspond to a volume with its own file system. All these directories are homogeneous and therefore identified as a single storage at the namenode. I propose, change to the current model where Datanode * is a * storage, to Datanode * is a collection * of stroages. 



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