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https://issues.apache.org/jira/browse/HDFS-1602?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12990218#comment-12990218
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Boris Shkolnik commented on HDFS-1602:
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I've looked at testStorageRestore failure. Seems like the problem is that when
we are trying to restore a storage dir, we format it , which always saves the
current in-memory state into a new fsimage. So instead we should restore a
storage without storing creating new fsimage. It will be copied from the
CheckPoint.
Here is a patch for trunk to do it. Please review.
> Fix HADOOP-4885 for it is doesn't work as expected.
> ---------------------------------------------------
>
> Key: HDFS-1602
> URL: https://issues.apache.org/jira/browse/HDFS-1602
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.21.0
> Reporter: Konstantin Boudnik
>
> NameNode storage restore functionality doesn't work (as HDFS-903
> demonstrated). This needs to be either disabled, or removed, or fixed. This
> feature also fails HDFS-1496
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