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From a..@apache.org
Subject svn commit: r1333141 - in /hadoop/common/trunk/hadoop-common-project/hadoop-common: CHANGES.txt src/main/docs/src/documentation/content/xdocs/commands_manual.xml
Date Wed, 02 May 2012 18:17:18 GMT
Author: atm
Date: Wed May  2 18:17:18 2012
New Revision: 1333141

URL: http://svn.apache.org/viewvc?rev=1333141&view=rev
HADOOP-8185. Update namenode -format documentation and add -nonInteractive and -force. Contributed
by Arpit Gupta.


Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt?rev=1333141&r1=1333140&r2=1333141&view=diff
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/CHANGES.txt Wed May  2 18:17:18
@@ -279,6 +279,9 @@ Release 2.0.0 - UNRELEASED 
     HADOOP-7549. Use JDK ServiceLoader mechanism to find FileSystem implementations. (tucu)
+    HADOOP-8185. Update namenode -format documentation and add -nonInteractive
+    and -force. (Arpit Gupta via atm)

Modified: hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml?rev=1333141&r1=1333140&r2=1333141&view=diff
--- hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml
+++ hadoop/common/trunk/hadoop-common-project/hadoop-common/src/main/docs/src/documentation/content/xdocs/commands_manual.xml
Wed May  2 18:17:18 2012
@@ -696,7 +696,7 @@
 					<a href="http://hadoop.apache.org/hdfs/docs/current/hdfs_user_guide.html#Upgrade+and+Rollback">Upgrade
and Rollback</a>.
-					<code>Usage: hadoop namenode [-format] | [-upgrade] | [-rollback] | [-finalize]
| [-importCheckpoint] | [-checkpoint] | [-backup]</code>
+					<code>Usage: hadoop namenode [-format [-force] [-nonInteractive] [-clusterid someid]]
| [-upgrade] | [-rollback] | [-finalize] | [-importCheckpoint] | [-checkpoint] | [-backup]</code>
 			          <tr><th> COMMAND_OPTION </th><th> Description </th></tr>
@@ -714,8 +714,11 @@
                   <td>Start namenode in backup role, maintaining an up-to-date in-memory
copy of the namespace and creating periodic checkpoints.</td>
-			          	<td><code>-format</code></td>
-			            <td>Formats the namenode. It starts the namenode, formats it and then
shut it down.</td>
+			          	<td><code>-format [-force] [-nonInteractive] [-clusterid someid]</code></td>
+			            <td>Formats the namenode. It starts the namenode, formats it and then
shuts it down. User will be prompted before formatting any non empty name directories in the
local filesystem.<br/>
+                                    -nonInteractive: User will not be prompted for input
if non empty name directories exist in the local filesystem and the format will fail.<br/>
+                                    -force: Formats the namenode and the user will NOT be
prompted to confirm formatting of the name directories in the local filesystem. If -nonInteractive
option is specified it will be ignored.<br/>
+                                    -clusterid: Associates the namenode with the id specified.
When formatting federated namenodes use this option to make sure all namenodes are associated
with the same id.</td>

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