[HDFS-3991] NN webui should mention safemode more clearly

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 2.0.1-alpha
• Assignee: Andy Isaacson
• Reporter: Andy Isaacson
• Created: 28/Sep/12 18:02
• Updated: 28/Sep/12 18:25

Description

The dfshealth.jsp page says

Safe mode is ON. The reported blocks 0 needs additional 308 blocks to reach the threshold 0.9990 of total blocks 308. Safe mode will be turned off automatically.

when safemode is on, and nothing, when safemode is off. I suggest it should say "Safe mode is off." when the NN is not in safemode.

It would also be nice if the message said how many DNs are expected (or were seen before the last reboot, or similar).