That's because the Sun NAS Gateway does not run Solaris, it runs a proprietary and not well-adopted "storage-optimized" OS They got from Procomm. So all the work Sun has done on v4 has been, of course, on Solaris. Since v4 is not just a few extra bells And whistles on v3, but a whole new on-the-wire protocol, stateful instead of stateless, it is a lot of work to write an NFS v4 server from scratch for Your own weird OS...though most of these so-called NAS OS's are just some variant of FreeBSD with a different file system.
Carter
-----Original Message----- From: owner-toasters@mathworks.com [mailto:owner-toasters@mathworks.com] On Behalf Of Luke Howard Sent: Monday, January 30, 2006 11:42 PM To: toasters@mathworks.com Subject: Re: Replacing our NetApp
Part of it would be to replace the NetApp with a Sun 5310 NAS Gateway:
It's odd (looking at the data sheets) that it doesn't support NFSv4, given Sun's history with the protocol.
-- Luke
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Carter K. George