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https://issues.apache.org/jira/browse/HDFS-7499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14239698#comment-14239698
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Allen Wittenauer commented on HDFS-7499:
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RFC-compliant NFSv3 can also do Kerberos, it is marked as an optional feature
and many implementations do not implement it. Sun fixed this mistake;
RFC-compliant NFSv4 requires Kerberos support.
That said, NFSv4 is a MUCH MUCH MUCH better fit for HDFS than NFSv3, due to the
open and close semantics.
> Add NFSv4 + Kerberos / client authentication support
> ----------------------------------------------------
>
> Key: HDFS-7499
> URL: https://issues.apache.org/jira/browse/HDFS-7499
> Project: Hadoop HDFS
> Issue Type: New Feature
> Affects Versions: 2.4.0
> Environment: HDP2.1
> Reporter: Hari Sekhon
>
> We have a requirement for secure file share access to HDFS on a kerberized
> cluster.
> This is spun off from HDFS-7488 where adding Kerberos to the front end client
> was considered, I believe this would require NFSv4 support?
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