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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-4735) DisallowSnapshot throws IllegalStateException
Date Wed, 24 Apr 2013 00:29:16 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE resolved HDFS-4735.
------------------------------------------

    Resolution: Fixed

I have committed this.  Thanks, Jing!
                
> DisallowSnapshot throws IllegalStateException
> ---------------------------------------------
>
>                 Key: HDFS-4735
>                 URL: https://issues.apache.org/jira/browse/HDFS-4735
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Ramya Sunil
>            Assignee: Jing Zhao
>             Fix For: Snapshot (HDFS-2802)
>
>         Attachments: HDFS-4735.000.patch, HDFS-4735.001.patch
>
>
> After a long running stress test for snapshots, disallow snapshot throws IllegalStateException
> -bash-4.1$ hadoop dfs -rmr -skipTrash /user/foo/hdfs-snapshots
> rmr: cannot remove /user/foo/hdfs-snapshots: No such file or directory.
> -bash-4.1$ /usr/lib/hadoop/bin/hadoop dfs -mkdir /user/foo/hdfs-snapshots/test2
> -bash-4.1$ /usr/lib/hadoop/bin/hadoop dfsadmin -allowSnapshot /user/foo/hdfs-snapshots/test2
> Allowing snaphot on /user/foo/hdfs-snapshots/test2 succeeded
> -bash-4.1$ /usr/lib/hadoop/bin/hadoop dfsadmin -disallowSnapshot /user/foo/hdfs-snapshots/test2
> disallowSnapshot: java.io.IOException: java.lang.IllegalStateException: this is already
an INodeDirectoryWithSnapshot, this=test2

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