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HDFS >> mail # user >> Gap in logs?

I see a startup error in the

2013-04-29 14:12:36,095 FATAL
org.apache.hadoop.hdfs.server.namenode.NameNode: Exception in namenode
java.io.IOException: There appears to be a gap in the edit log.  We
expected txid 1, but got txid 2103.

. . . .

Apparently this is severe enough that it causes the name node not to
start up. Any ideas on how to recover? I am tempted to just remove all
of the log files and start from scratch. Is that too drastic?