> Your two best bets are:
> 
> 1) Solaris 8 (you'll need many patches.  You'll need to enable metadata
>    logging on the filesystems to get good performance.)
> 
> 2) Linux with XFS and all of the latest NFS patches (these are not
>    really integrated into the 2.4.xx kernels in a timely manner, and
>    you *do* want them).

IIRC there is acl support in Unixware 2 (and hence 7) and hence
whatever might be avaialable now.  At least for one filesystem type.

	David

-- 
David Laight: david@l8s.co.uk