From owner-freebsd-hackers Fri Nov 20 11:17:03 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id LAA05813 for freebsd-hackers-outgoing; Fri, 20 Nov 1998 11:17:03 -0800 (PST) (envelope-from owner-freebsd-hackers@FreeBSD.ORG) Received: from bright.fx.genx.net (bright.fx.genx.net [206.64.4.154]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA05806 for ; Fri, 20 Nov 1998 11:17:00 -0800 (PST) (envelope-from bright@hotjobs.com) Received: from localhost (bright@localhost) by bright.fx.genx.net (8.9.1/8.9.1) with ESMTP id OAA21966; Fri, 20 Nov 1998 14:19:09 -0500 (EST) (envelope-from bright@hotjobs.com) X-Authentication-Warning: bright.fx.genx.net: bright owned process doing -bs Date: Fri, 20 Nov 1998 14:19:09 -0500 (EST) From: Alfred Perlstein X-Sender: bright@bright.fx.genx.net To: Robert Withrow cc: hackers@FreeBSD.ORG Subject: Re: NFS probs with 3.0 and earlier releases. In-Reply-To: <199811201523.KAA25723@spooky.rwwa.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message