[HDFS-8846] Add a unit test for INotify functionality across a layout version upgrade

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.1
• Fix Version/s: 2.6.1, 2.8.0, 2.7.2, 3.0.0-alpha1
• Component/s: namenode
• Labels: 2.6.1-candidate 2.7.2-candidate
• Target Version/s: 2.8.0
• Assignee: Zhe Zhang
• Reporter: Zhe Zhang
• Created: 31/Jul/15 21:16
• Updated: 06/Jan/17 00:58
• Resolved: 25/Aug/15 21:30

Description

Per discussion under HDFS-8480, we should create some edit log files with old layout version, to test whether they can be correctly handled in upgrades.