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https://issues.apache.org/jira/browse/HDFS-1848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13022815#comment-13022815
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Koji Noguchi commented on HDFS-1848:
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bq. That was the problem earlier, Koji. With the fixes went in for Disk Fail
Inplace, we can restart datanode with failed disks until volumes tolerated is
reached.
Bharath, you're not getting my point. This problem still exists even after
disk fail inplace feature that you're working on. Only reasons I didn't raise
it internally was that our ops is going to raid the critical volumes.
> Datanodes should shutdown when a critical volume fails
> ------------------------------------------------------
>
> Key: HDFS-1848
> URL: https://issues.apache.org/jira/browse/HDFS-1848
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: data-node
> Reporter: Eli Collins
> Fix For: 0.23.0
>
>
> A DN should shutdown when a critical volume (eg the volume that hosts the OS,
> logs, pid, tmp dir etc.) fails. The admin should be able to specify which
> volumes are critical, eg they might specify the volume that lives on the boot
> disk. A failure in one of these volumes would not be subject to the threshold
> (HDFS-1161) or result in host decommissioning (HDFS-1847) as the
> decommissioning process would likely fail.
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