[HDFS-3789] JournalManager#format() should be able to throw IOException

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha1
• Fix Version/s: 2.0.3-alpha
• Component/s: ha, namenode
• Hadoop Flags: Reviewed
• Assignee: Ivan Kelly
• Reporter: Ivan Kelly
• Created: 13/Aug/12 10:14
• Updated: 12/May/16 18:18
• Resolved: 13/Aug/12 19:37

Description

Currently JournalManager#format cannot throw any exception. As format can fail, we should be able to propogate this failure upwards. Otherwise, format will fail silently, and the admin will start using the cluster with a failed/unusable journal manager.