[HDFS-3133] Add support for DFS upgrade with HA enabled

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.0.0-alpha
• Component/s: ha, namenode
• Target Version/s: 2.0.3-alpha
• Assignee: Unassigned
• Reporter: Aaron Myers
• Created: 23/Mar/12 20:06
• Updated: 02/Oct/13 22:14
• Resolved: 02/Oct/13 22:14

Description

For the first implementation of HA NameNode, we punted on allowing DFS upgrade with HA enabled, which makes doing a DFS upgrade on an HA-enabled cluster quite cumbersome and error-prone. We should add better support for this.

Issue Links

• is duplicated by: HDFS-5138 Support HDFS upgrade in HA