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Top Forums UNIX for Dummies Questions & Answers ACL (POSIX and NFSv4) Support over NFS shared drives on different Unix platforms Post 302707943 by jim mcnamara on Sunday 30th of September 2012 01:32:10 PM
Old 09-30-2012
Last question: I know that it will work for Solaris 10/11 NFS4, per documentation. I have not tried, so I cannot comment how well it behaves.

There are problems with ACL's across platforms:
the uid has to match numerically
the gid has to match numerically
the NSF mount has to support the ACL operations, e.g., if the ACL grants write, but the remote file system is read-only then the ACL can not be honored.
See:
http://nfs.sourceforge.net/nfs-howto/ar01s06.html

If you are going across all of the platforms you mentioned - this will go beyond a nightmare to keep consistent and to maintain. On one large multiuser system ACL's are a pain in the butt. My opinion. If you can live without them do so.

I also think you are asking a hypothetical question. Even high-level IT managers know better than to have different major mission critical systems running on the number of platforms you mention. There is enough windows/UNIX/Linux chaos without adding to it.
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MOUNT.NFS(8)						      System Manager's Manual						      MOUNT.NFS(8)

NAME
mount.nfs, mount.nfs4 - mount a Network File System SYNOPSIS
mount.nfs remotetarget dir [-rvVwfnsh ] [-o options] DESCRIPTION
mount.nfs is a part of nfs(5) utilities package, which provides NFS client functionality. mount.nfs is meant to be used by the mount(8) command for mounting NFS shares. This subcommand, however, can also be used as a standalone command with limited functionality. mount.nfs4 is used for mounting NFSv4 file system, while mount.nfs is used to mount NFS file systems versions 3 or 2. remotetarget is a server share usually in the form of servername:/path/to/share. dir is the directory on which the file system is to be mounted. OPTIONS
-r Mount file system readonly. -v Be verbose. -V Print version. -w Mount file system read-write. -f Fake mount. Don't actually call the mount system call. -n Do not update /etc/mtab. By default, an entry is created in /etc/mtab for every mounted file system. Use this option to skip making an entry. -s Tolerate sloppy mount options rather than fail. -h Print help message. nfsoptions Refer to nfs(5) or mount(8) manual pages. NOTE
For further information please refer nfs(5) and mount(8) manual pages. FILES
/etc/fstab file system table /etc/mtab table of mounted file systems SEE ALSO
nfs(5), mount(8), AUTHOR
Amit Gud <agud@redhat.com> 5 Jun 2006 MOUNT.NFS(8)
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