[HDFS-3094] add -nonInteractive and -force option to namenode -format command

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.2, 2.0.0-alpha
• Fix Version/s: 1.1.0, 2.0.0-alpha
• Hadoop Flags: Reviewed
• Release Note: The 'namenode -format' command now supports the flags '-nonInteractive' and '-force' to improve usefulness without user input.
• Assignee: Arpit Gupta
• Reporter: Arpit Gupta
• Created: 14/Mar/12 20:38
• Updated: 10/Mar/15 04:36
• Resolved: 26/Apr/12 00:15

Description

Currently the bin/hadoop namenode -format prompts the user for a Y/N to setup the directories in the local file system.

-force : namenode formats the directories without prompting
-nonInterActive : namenode format will return with an exit code of 1 if the dir exists.

Issue Links

• duplicates: HDFS-2247 Provide a "-y" option that skips the confirmation question of the namenode for use in scripts.
• is depended upon by: HADOOP-8185 Update namenode -format documentation and add -nonInteractive and -force