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send fs command to inactive namenode

Started Feb 8

Incompatible namespaceIDs after formatting namenode
1 Reply

Hi,We just started implementation of cloudera hadoop on our system for the first time. After reformatting a namenode for a few times, DataNode is not coming up with error "Incompatible…Continue

Tags: namenode, datanode, format

Started this discussion. Last reply by Vikas Srivastava Jan 28.

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send fs command to inactive namenode

HiWhen namenode installed and formatted, I want to test/create /hbase directory.I'm looking a way to execute the following command, without fully starting namenode servicehadoop fs -test -d /hbaseSomething like "hadoop namenode -format" working,i.e. starts namenode locally, executes command and shutdown a namenodeIs there such way to do it ?10xSee More

Discussion posted by Greg Feb 8

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Vikas Srivastava replied to Greg's discussion 'Incompatible namespaceIDs after formatting namenode'

Hey , After Stopping cluster , Wat you have to do is delete the tmp/$hadoopuser directory and format the namenode. Hope you get your problem solved Regards Vikas Srivastava

Jan 28

Incompatible namespaceIDs after formatting namenode

Hi,We just started implementation of cloudera hadoop on our system for the first time. After reformatting a namenode for a few times, DataNode is not coming up with error "Incompatible namespaceIDs" I found a note http://pages.cs.brandeis.edu/~cs147a/lab/hadoop-troubleshooting/ but I'm really not sure about removing data node directories. How is it possible that data will not be erased…See More

Discussion posted by Greg Jan 15

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Greg is now a member of Hadoop Professionals Jan 15

Welcome Them!