Date: Sun, 18 Nov 2007 08:37:05 -0600 From: Jonathan Horne <freebsd@dfwlp.com> To: freebsd-questions@freebsd.org Subject: Re: very poor NFS performance from a beta3 Message-ID: <200711180837.06572.freebsd@dfwlp.com> In-Reply-To: <47402910.4060909@FreeBSD.org> References: <200711161921.59936.freebsd@dfwlp.com> <47402910.4060909@FreeBSD.org>
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On Sunday 18 November 2007 05:59:12 am Kris Kennaway wrote: > Jonathan Horne wrote: > > i updated my workstatino to beta3, and then got on a 6.2-p8 machine and > > mounted /usr/src and /usr/obj from the beta3. tried to installkernel, > > but it moved as painful pace. would get to the point where it moves > > kernel to kernel.old, and would just pause for a long time. file > > transfer showed about 104k. > > > > i took this same 6.2-p8 box, and mounted src and obj from my main 6.2 > > build server, and reinstalled the 6.2-p8 kernel, and speed was as > > expected. > > > > is there anywhere i can being looking to troubleshoot this problem (as to > > why the 7.0b3 would serve NFS so slowly)? > > This is usually because your NIC has mis-negotiated and is unable to > pass packets properly. > > Kris kris, thanks for your reply. whats the best way to tell if i have mis-negotiated? is just 'ifconfig' sufficient? i was wondering about this earlier, and reboots of the hosts as well as the switches yielded no different results. also, i did a few other tests as well. i can scp to/from the 7.0b3 and 6.2p8 from/to each other as well as other hosts on the network at what i would call normal speeds (6-10 megabytes/sec). also, i can 'cp -vpnRP' directory trees from/to the same with normal results. only installing kernel from the 7.0 to the 6.2 stalls out. -- Jonathan Horne http://dfwlpiki.dfwlp.org freebsd@dfwlp.com
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