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Hadoop >> mail # dev >> Hadoop version layout error


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Re: Hadoop version layout error
What version of Hadoop are you/were you on? And did you run an NN
upgrade recently?

Can you also pastebin the full logs somewhere?

On Tue, Nov 6, 2012 at 11:34 AM, chendaya <[EMAIL PROTECTED]> wrote:
> Hi, everyone
> I am getting this error in one or two nodes in a hadoop cluster where rest of the nodes are running fine:
> ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: java.io.IOException: ***** Upgrade is not supported from this older version of storage to the current version. Please upgrade to Hadoop-0.14 or a later version and then upgrade to current version. Old layout version is 'too old' and latest layout version this software version can upgrade from is -7.
> Any idea how to fix this prob. without losing the data.
>
> Many Thanks!!
>
> Daya Chen

--
Harsh J
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB