Re: Hadoop version layout error

2012-11-06 Thread Harsh J
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 chend...@inspur.com wrote: Hi, everyone I am getting this error in one or two nodes in a hadoop cluster where rest of

Hadoop version layout error

2012-11-05 Thread chendaya
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

Re: Hadoop version layout error

2012-11-05 Thread Serge Blazhiyevskyy
If your replication factor is 3, this mean that you take those two nodes without loosing any data and rebuild them Rebalance the cluster after you are done, and all good to go! Regards Serge On 11/6/12 8:04 AM, chendaya chend...@inspur.com wrote: Hi, everyone I am getting this error in one or