[HDFS-5945] Add rolling upgrade information to fsimage

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: HDFS-5535 (Rolling upgrades)
• Component/s: namenode
• Hadoop Flags: Reviewed
• Assignee: Tsz-wo Sze
• Reporter: Tsz-wo Sze
• Created: 13/Feb/14 08:09
• Updated: 18/Feb/14 20:15
• Resolved: 18/Feb/14 20:13

Description

When rolling upgrade is in progress, the standby namenode may create checkpoint. The rolling upgrade information should be added to fsimage in order to support namenode restart and continue rolling upgrade.

Issue Links

• incorporates: HDFS-5905 Upgrade and rolling upgrade should not be allowed simultaneously