Date: Tue, 04 Jul 2000 13:05:40 -0700 From: Cy Schubert - ITSD Open Systems Group <Cy.Schubert@uumail.gov.bc.ca> To: dg@root.com Cc: Simon Heath <heath@hardy.mskcc.org>, freebsd-stable@FreeBSD.ORG Subject: Re: Poor NFS performance with 4.0-stable Message-ID: <200007042006.e64K6JI08875@cwsys.cwsent.com> In-Reply-To: Your message of "Mon, 03 Jul 2000 15:20:13 PDT." <200007032220.PAA11735@implode.root.com>
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In message <200007032220.PAA11735@implode.root.com>, David Greenman writes: > >On moving from 4.0-release to 4.0-stable I'm getting a big slow down in file > >transfers over NFS. Previously it was taking about 8s to transfer a 64Mb > >file (100baseTX), so about 8Mb/sec. Now it's closer to 20k/sec... This is > >when accessing both NFS servers running FreeBSD 4.0-release and Solaris 8. > >Access speeds when the 4.0-stable machine is running as a server are also > >very slow. Access speeds between the other machines is at the 8Mb/sec > >level. Any suggestions as to what I should be looking at? The nic card is > >an Intel EtherExpress Pro, and there do not appear to be any relevant error > >messages in /var/log/messages or dmesg. Any suggestions gratefully > >received! > > Are any of the machines connected to a switch? Is the duplex detected > correctly on all of the ports involved? Just had this happen to me two weekends ago. The switch "suddenly" didn't configure duplex or speed properly after a seemingly (at the time) unrelated network problem and my Legato backups went from 6 MB/s to 112 KB/s. I agree, check the switch first. Regards, Phone: (250)387-8437 Cy Schubert Fax: (250)387-5766 Team Leader, Sun/DEC Team Internet: Cy.Schubert@osg.gov.bc.ca Open Systems Group, ITSD, ISTA Province of BC To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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