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From "Vinay (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5568) Support inclusion of snapshot paths in Namenode fsck
Date Wed, 27 Nov 2013 03:17:36 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5568?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vinay updated HDFS-5568:
------------------------

    Attachment: HDFS-5568.patch

Thanks Jing for the suggestion.
I too think, it would make the fsck complex.
So keeping the current solution as is. 
Just updated the patch with clear message saying "-includeSnapshots	include '.snapshot' directory
inside snapshottable directories for checking fsck"

> 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
>
>
> 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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