[HDFS-7875] Improve log message when wrong value configured for dfs.datanode.failed.volumes.tolerated

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: datanode
• Hadoop Flags: Reviewed
• Assignee: nijel
• Reporter: nijel
• Created: 03/Mar/15 12:05
• Updated: 30/Aug/16 01:38
• Resolved: 24/Mar/15 17:36

Description

By mistake i configured dfs.datanode.failed.volumes.tolerated equal to the number of volume configured. Got stuck for some time in debugging since the log message didn't give much details.

The log message can be more detail. Added a patch with change in message.
Please have a look