make the experimental NFS subsystem the default one

[Zack Kirsch]

Hi,

Zack Kirsch from Isilon Systems here.  I just wanted to mention that we have taken Ricks experimental server, ported it over to our OneFS product and it is now our exclusive NFS server.  Our customers are very demanding as far as stability and performance, and so far we haven't seen problems/regressions with the new server's support for NFSv3.

That said, we do have a substantial patch (~25k lines of diff) against the experimental server which we will be attempting to upstream in the next couple of months.  Much of the diff is to take advantage of clustered locking/ACL features in our file system, or add NFSv4 features, but I'm sure we have quite a few bugfixes in there too.  One question around our upstreaming work is how much time we will have before the FreeBSD 9.0 release.

I can't comment much about the experimental NFS client, because our customers do not use it.

Zack
zack at freebsd.org


>> -----Original Message-----
>> From: owner-freebsd-fs at freebsd.org [mailto:owner-freebsd-
>> fs at freebsd.org] On Behalf Of Rick Macklem
>> Sent: Friday, April 15, 2011 5:49 AM
>> To: freebsd-fs at freebsd.org
>> Subject: RFC: make the experimental NFS subsystem the default one
>> 
>> Hi,
>> 
>> I think that the experimental NFS server is now ready for generic use
>> and that the experimental NFS client will be soon, after some commits
>> over the next week or so.
>> 
>> How do folks feel w.r.t. making these the default?
>> 
>> My plan is to make the server the default first (the "-e" option on
>> mountd and nfsd would become a no-op) and a new option on mountd and
>> nfsd ("-o" sound ok?) would be needed to run what is currently the
>> regular server. (I am not proposing taking out the regular
>> client/server
>> at this time, simply making them the non-default ones.)
>> 
>> For the client, "newnfs" would become "nfs" and what is now "nfs"
>> would become "oldnfs" for file system type. (This wouldn't happen
>> until a series of commits bring "newnfs" in line with "nfs" for
>> various things, including default mount options, plus diskless
>> booting for NFSv3 gets fixed.)
>> 
>> So, comments w.r.t. this would be appreciated, rick
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