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https://issues.apache.org/jira/browse/HDFS-3368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13268591#comment-13268591
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Tsz Wo (Nicholas), SZE commented on HDFS-3368:
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Hi Konstantin,
You proposal sounds good.
BTW, I beg you could manually copy the blocks from do1, do2 and do3. Is it
case? If yes, then it is actually data unavailability but not data loss.
> Missing blocks due to bad DataNodes comming up and down.
> --------------------------------------------------------
>
> Key: HDFS-3368
> URL: https://issues.apache.org/jira/browse/HDFS-3368
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.22.0, 1.0.0, 2.0.0, 3.0.0
> Reporter: Konstantin Shvachko
> Assignee: Konstantin Shvachko
>
> All replicas of a block can be removed if bad DataNodes come up and down
> during cluster restart resulting in data loss.
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