On Thu, 7 Dec 2006, Harti Brandt wrote:

HB>On Thu, 7 Dec 2006, M. Warner Losh wrote:
HB>
HB>MWL>In message: <[EMAIL PROTECTED]>
HB>MWL>            Harti Brandt <[EMAIL PROTECTED]> writes:
HB>MWL>: MWL>Does anybody have experience with using FreeBSD 4.x or 6.x NFS 
clients
HB>MWL>: MWL>against a Windows 2003 NFS server?  What is the performance 
relative
HB>MWL>: MWL>to using a FreeBSD NFS server?  What is the stability?  Does 
locking
HB>MWL>: MWL>work?  Does the Windows 2003 server have extensions that grok file
HB>MWL>: MWL>system flags?
HB>MWL>: 
HB>MWL>: I use this regularily (well, -CURRENT). I have no numbers, but 
performance 
HB>MWL>: is ok. I have the home directories on a W2003k server and it 'feels' 
fast 
HB>MWL>: enough.
HB>MWL>
HB>MWL>We see FreeBSD to FreeBSD NFS feeling fast enough for most things, but
HB>MWL>when we do a full build of our system from scratch it takes 10 hours
HB>MWL>over NFS vs 1 hour on a local disk.  We're worried that if we were to
HB>MWL>try to do heavy NFS traffic to a Win2003 server with SFU this would be
HB>MWL>even slower.
HB>
HB>Ok. I did a very short test (no time to do much more). Read performance 
HB>with dd if=/nfs/bigfile of=/dev/null bs=4k is around 9MByte/sec. Write 
HB>performance with dd if=/dev/zero of=/nfs/bigfile bs=4k is 4MByte/sec.
HB>
HB>Client is something around 1GHz with a 100Mbps link. Fileserver is a 
HB>double proc Xeon with a 1Gbps link. The Server has a load of around 30% 
HB>(from the antivirus scanner).
HB>
HB>72Mbps on a 100Mbps link looks actually ok for me. I've no FreeBSD on a 
HB>Gigabit link to test with.
HB>
HB>If you want I could try to do a buildworld.

Ok. To answer my own mail. A buildworld with a local /usr/src takes 2:50h
on that machine, with /usr/src on the W2003 server 3:50h. Looks not that bad.

harti
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