[ http://issues.apache.org/jira/browse/HADOOP-64?page=all ]
Milind Bhandarkar reassigned HADOOP-64:
---------------------------------------
Assignee: Milind Bhandarkar (was: Konstantin Shvachko)
> DataNode should be capable of managing multiple volumes
> -------------------------------------------------------
>
> Key: HADOOP-64
> URL: http://issues.apache.org/jira/browse/HADOOP-64
> Project: Hadoop
> Issue Type: Improvement
> Components: dfs
> Affects Versions: 0.2.0
> Reporter: Sameer Paranjpye
> Assigned To: Milind Bhandarkar
> Priority: Minor
> Fix For: 0.6.0
>
>
> The dfs Datanode can only store data on a single filesystem volume. When a
> node runs its disks JBOD this means running a Datanode per disk on the
> machine. While the scheme works reasonably well on small clusters, on larger
> installations (several 100 nodes) it implies a very large number of Datanodes
> with associated management overhead in the Namenode.
> The Datanod should be enhanced to be able to handle multiple volumes on a
> single machine.
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