Date: Fri, 20 Nov 1998 14:19:09 -0500 (EST) From: Alfred Perlstein <bright@hotjobs.com> To: Robert Withrow <witr@rwwa.com> Cc: hackers@FreeBSD.ORG Subject: Re: NFS probs with 3.0 and earlier releases. Message-ID: <Pine.BSF.4.05.9811201416550.10312-100000@bright.fx.genx.net> In-Reply-To: <199811201523.KAA25723@spooky.rwwa.com>
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On Fri, 20 Nov 1998, Robert Withrow wrote:
> I have a NFS interop problem in 3.0 (very severe) and some earlier
> versions (2.2.7 and 2.2.6 at least, not as severe). NFS to a specific
> mount seems to ocationally go deaf, but later restores itself. Other
> mountpoints are unaffected. The problem is repeatable, but it
> is hard to duplicate in a simple way! An example:
>
what are your mount flags? have you tried NFS over tcp? (i'm unsure if
this is the default, but it sure helped me when i explicitly enabled it)
xxx:/com /com nfs -a4,rw,tcp,bg,nfsv3,-r32768,-w32768,intr 0 0
i get 9+meg/sec over 100mit ethernet with these mount options
also:
(from rc.local)
# NFS tuning
echo 'tuning NFS:'
echo -n 'enabling NFS access cache: '
sysctl -w vfs.nfs.access_cache_timeout=6
echo -n 'enabling NFSv3 scatter/gather: '
sysctl -w vfs.nfs.gatherdelay_v3=10000
echo -n 'enabling NFS async behavior: '
sysctl -w vfs.nfs.async=1
# END NFS
Alfred Perlstein - Programmer, HotJobs Inc. - www.hotjobs.com
-- There are operating systems, and then there's FreeBSD.
-- http://www.freebsd.org/ 3.0-current
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