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From Raghu Angadi <rang...@yahoo-inc.com>
Subject Re: Namenode fails to re-start after cluster shutdown
Date Fri, 22 Feb 2008 22:17:13 GMT

Please report such problems if you think it was because of HDFS, as 
opposed to some hardware or disk failures.

Raghu.

Steve Sapovits wrote:
> dhruba Borthakur wrote:
> 
>> Reformatting should never be necessary if you are using released version
>> of hadoop. Hadoop-2783 refers to a bug that got introduced into trunk
>> (not in any released versions).
> 
> Interesting.  We're running only released versions.  We have cases where 
> the
> name node won't come up unless we reformat.  We know in some cases
> that's been due to boxes going down while it's running.  We haven't 
> looked too
> deep so maybe there's something else going on.
> 


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