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From "suja s (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3736) Failure in starting NN due to fsimage loading failure
Date Mon, 30 Jul 2012 12:59:34 GMT
suja s created HDFS-3736:

             Summary: Failure in starting NN due to fsimage loading failure
                 Key: HDFS-3736
                 URL: https://issues.apache.org/jira/browse/HDFS-3736
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: name-node
            Reporter: suja s

Came across a situation as follows in our test environment.
NNs running in HA mode.
While uploading checkpoint, MD5 file renaming from tmp to actual file failed due to some reason
which is unknown (non IO exception).
At the same time at standby side, connection imeout occured.
This lead to tmp MD5 file and original fsimage file (ckpt fsimage file was renamed successfully
to original fsimage file) in the name dir of active NN.
On NN restart it checks for MD5 file and since it is not found, startup is failing.

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