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https://issues.apache.org/jira/browse/HDFS-93?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Harsh J resolved HDFS-93.
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Resolution: Cannot Reproduce
This isn't a problem in the current version anymore. Errors in the
dfs.namenode.name.dirs are well handled, and omitted out.
> NameNode should not serve up a bad edits log
> --------------------------------------------
>
> Key: HDFS-93
> URL: https://issues.apache.org/jira/browse/HDFS-93
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Robert Chansler
>
> A NameNode disk failure (apparently) resulted in the NameNode serving a bad
> edits log to the Secondary NameNode. The SNN observed the problem (good!),
> but had no alternative but to ask again for the log, and again get the same
> bad replica.
> 1. The NN could/should have observed the same fault as the SNN.
> 2. If a replica is known to be bad, the NN should serve a different replica,
> if available.
> 3. The SNN should have a way to report replica failure to the NN.
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