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  1. Hadoop HDFS
  2. HDFS-9810

Allow support for more than one block replica per datanode

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    Details

    • Type: Task
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: datanode
    • Labels:
      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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              • Assignee:
                Unassigned
                Reporter:
                virajith Virajith Jalaparti
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                Dates

                • Created:
                  Updated: