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From "Abhiraj Butala (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6456) NFS: NFS server should throw error for invalid entry in dfs.nfs.exports.allowed.hosts
Date Sun, 13 Jul 2014 08:45:05 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6456?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Abhiraj Butala updated HDFS-6456:
---------------------------------

    Attachment: HDFS-6456.patch

> NFS: NFS server should throw error for invalid entry in dfs.nfs.exports.allowed.hosts
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-6456
>                 URL: https://issues.apache.org/jira/browse/HDFS-6456
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: nfs
>    Affects Versions: 2.2.0
>            Reporter: Yesha Vora
>            Assignee: Abhiraj Butala
>         Attachments: HDFS-6456.patch
>
>
> Pass invalid entry in dfs.nfs.exports.allowed.hosts. Use - as separator between hostname
and access permission 
> {noformat}
> <property><name>dfs.nfs.exports.allowed.hosts</name><value>host1-rw</value></property>
> {noformat}
> This misconfiguration is not detected by NFS server. It does not print any error message.
The host passed in this configuration is also not able to mount nfs. In conclusion, no node
can mount the nfs with this value. A format check is required for this property. If the value
of this property does not follow the format, an error should be thrown.



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