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https://issues.apache.org/jira/browse/HDFS-5568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13833656#comment-13833656
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Uma Maheswara Rao G commented on HDFS-5568:
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I have just committed this to trunk, branch-2 and 2.2. Thanks a lot, Vinay for
the patch and thanks to Jing and Sathish for review.
> Support inclusion of snapshot paths in Namenode fsck
> ----------------------------------------------------
>
> Key: HDFS-5568
> URL: https://issues.apache.org/jira/browse/HDFS-5568
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: snapshots
> Reporter: Vinay
> Assignee: Vinay
> Attachments: HDFS-5568-1.patch, HDFS-5568.patch, HDFS-5568.patch,
> HDFS-5568.patch, HDFS-5568.patch
>
>
> Support Fsck to check the snapshot paths also for inconsistency.
> Currently Fsck supports snapshot paths if path given explicitly refers to a
> snapshot path.
> We have seen safemode problems in our clusters which were due to blocks
> missing which were only present inside snapshots. But "hdfs fsck /" shows
> HEALTHY.
> So supporting snapshot paths also during fsck (may be by default or on
> demand) would be helpful in these cases instead of specifying each and every
> snapshottable directory.
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