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https://issues.apache.org/jira/browse/HDFS-5523?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14368136#comment-14368136
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Brandon Li edited comment on HDFS-5523 at 3/18/15 11:40 PM:
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{quote}
What I think we should allow is to put /a/b in the mount table, even thought
it's not a top-level directory.
{quote}
so your actual proposal is:
1. users can only mount the directories in the export table, and
2. the directories in the export table should not have ancestor-children
relationship (not nested)
was (Author: brandonli):
{quote}
What I think we should allow is to put /a/b in the mount table, even thought
it's not a top-level directory.
{quote}
Then we will have the tricky problem as I mentioned above: if /a and /a/b are
both in export table, "export /a is read-only but /a/b is read-write, when user
traverse from /a to /a/b, it's tricky to decide which access the user should
have"
> Support multiple subdirectory exports in HDFS NFS gateway
> ----------------------------------------------------------
>
> Key: HDFS-5523
> URL: https://issues.apache.org/jira/browse/HDFS-5523
> Project: Hadoop HDFS
> Issue Type: New Feature
> Components: nfs
> Reporter: Brandon Li
>
> Currently, the HDFS NFS Gateway only supports configuring a single
> subdirectory export via the {{dfs.nfs3.export.point}} configuration setting.
> Supporting multiple subdirectory exports can make data and security
> management easier when using the HDFS NFS Gateway.
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