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https://issues.apache.org/jira/browse/HADOOP-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12657128#action_12657128
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Boris Shkolnik commented on HADOOP-4885:
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Problem:
If one of the replicas of the NameNode storage fails for whatever reason (for
example temporarily failure of NFS) this Storage object is removed from the
list of storage objects forever. It can be added back only on restart of the
NameNode. We propose to check the status of a failed storage on every
checkpoint and if it becomes valid - try to restore the edits and fsimage.
> Try to restore failed replicas of Name Node storage (at checkpoint time)
> ------------------------------------------------------------------------
>
> Key: HADOOP-4885
> URL: https://issues.apache.org/jira/browse/HADOOP-4885
> Project: Hadoop Core
> Issue Type: Improvement
> Components: dfs
> Reporter: Boris Shkolnik
>
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