Writing to HDFS could only be replicated to 0 nodes instead of minReplication (=1)

Question

I have 3 data nodes running, while running a job i am getting the following given below error ,

java.io.IOException: File /user/ashsshar/olhcache/load

Answer 1

1. Check whether your DataNode is running,use the command:jps.
2. If it is not running wait sometime and retry.
3. If it is running, I think you have to re-format your DataNode.