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From Siddharth Wagle <>
Subject Re: bootstrap hdfs
Date Fri, 03 Jan 2014 00:51:04 GMT
Hi Aaron,

Could you check if the following stub file exists:
/var/run/hadoop/hdfs/namenode-formatted ?

A restart of NN through Ambari should create all the required directories
for you.
Go ahead and delete the stub if it exists and restart the NN through Ambari
web UI.

Best Regards,

On Thu, Jan 2, 2014 at 11:23 AM, Aaron Zimmerman <> wrote:

> I had to reformat the namenode under an ambari managed cluster, and HDFS
> came back online no problem, but the various dependent services fail
> (seemingly because of missing directories, such as /user/... and /etc, and
> /tmp.  Is there a way to get ambari to recreate these various directories,
> permissions, etc?
> If not, is there a guide somewhere that could help me recreate it manually?
> Thanks,
> Aaron Zimmerman

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