[HDFS-5000] DataNode configuration should allow specifying storage type

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: Heterogeneous Storage (HDFS-2832)
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: Arpit Agarwal
• Reporter: Arpit Agarwal
• Created: 16/Jul/13 21:10
• Updated: 12/May/16 18:16
• Resolved: 26/Aug/13 03:31

Description

The DataNode configuration should allow the administrator to optionally specify the storage type for each storage directory.

The DataNode should send the storage type with the block report.

Issue Links

• depends upon: HDFS-4985 Add storage type to the protocol and expose it in block report and block locations
• is depended upon by: HDFS-4988 Datanode must support all the volumes as individual storages
• is related to: HDFS-7770 Need document for storage type label of data node storage locations under dfs.datanode.data.dir
• relates to: HDFS-8279 Document how to specify storage types