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DFSClient error
I had 20 mappers in parallel reading 20 gz files and each file around
30-40MB data over 5 hadoop nodes and then writing to the analytics
database. Almost midway it started to get this error:
2012-04-26 16:13:53,723 [Thread-8] INFO org.apache.hadoop.hdfs.DFSClient -
Exception in createBlockOutputStream Bad connect ack with
firstBadLink as

I am trying to look at the logs but doesn't say much. What could be the
reason? We are in pretty closed reliable network and all machines are up.