-Re: HDFS Errors
Allen Wittenauer 2010-06-22, 20:03
On Jun 22, 2010, at 12:55 PM, Steve Lewis wrote:
> /user/training/small_yeast/yeast_chrXIV00000006.sam.gz could only be replicated to 0 nodes, instead of 1
... almost always means the namenode doesn't think it has any viable datanodes (anymore).
> Anyone seen this and know how to fix it
> I am on a 4 node virtual cloudera cluster
Check the namenode UI and see if it is in safemode, how many live datanodes you have, etc.