[HDFS-6120] Fix and improve safe mode log messages

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.4.0
• Component/s: namenode
• Target Version/s: 2.4.0
• Hadoop Flags: Reviewed
• Assignee: Arpit Agarwal
• Reporter: Arpit Agarwal
• Created: 18/Mar/14 22:30
• Updated: 04/Sep/14 01:15
• Resolved: 21/Mar/14 20:59

Description

In HA mode the SBN can enter safe-mode extension and stay there even after the extension period has elapsed but continue to return the safemode message stating that "The threshold has been reached" and "safe mode will be turned off soon".