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  1. Hadoop HDFS
  2. HDFS-9810

Allow support for more than one block replica per datanode

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    • Task
    • Status: Open
    • Major
    • Resolution: Unresolved
    • None
    • None
    • datanode
    • None

    Description

      Datanodes report and store only one replica of each block. It should be possible to store multiple replicas among its different configured storage types, particularly to support non-durable media and remote storage.

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        depends upon

        Sub-task - The sub-task of the issue HDFS-12685 [READ] FsVolumeImpl exception when scanning Provided storage volume

        • Major - Major loss of function.
        • Resolved
        is related to

        New Feature - A new feature of the product, which has yet to be developed. HDFS-9806 Allow HDFS block replicas to be provided by an external storage system

        • Major - Major loss of function.
        • Resolved
        relates to

        Sub-task - The sub-task of the issue HDFS-12887 [READ] Allow Datanodes with Provided volumes to start when blocks with the same id exist locally

        • Major - Major loss of function.
        • Resolved

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            Unassigned Unassigned
            virajith Virajith Jalaparti
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              Updated:

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