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https://issues.apache.org/jira/browse/HDFS-14668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16979471#comment-16979471
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Siddharth Wagle commented on HDFS-14668:
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+ [~arpaga] for comments.
> Support Fuse with Users from multiple Security Realms
> -----------------------------------------------------
>
> Key: HDFS-14668
> URL: https://issues.apache.org/jira/browse/HDFS-14668
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: fuse-dfs
> Reporter: Sailesh Patel
> Assignee: Istvan Fajth
> Priority: Minor
>
> Users from non-default krb5 domain can't use hadoop-fuse.
> There are 2 Realms with kdc.
> -one realm is for human users (USERS.COM.US)
> -the other is for service principals. (SERVICE.COM.US)
> Cross realm trust is setup.
> In krb5.conf the default domain is set to SERVICE.COM.US
> Users within USERS.COM.US Realm are not able to put any files to Fuse mounted
> location
> The client shows:
> cp: cannot create regular file ‘/hdfs_mount/tmp/hello_from_fuse.txt’:
> Input/output error
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