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Date:      Thu, 10 Dec 1998 15:35:46 -0600
From:      Jason McNew <jase@clearsail.net>
To:        "Brian C. Grayson" <bgrayson@marvin.ece.utexas.edu>
Cc:        questions@FreeBSD.ORG
Subject:   Re: NFS mounting problems.
Message-ID:  <36703EB2.8C44152F@clearsail.net>
References:  <365C6443.52E75DCA@clearsail.net> <19981126034730.A4797@c3p0.ece.utexas.edu> <365E005D.26590B25@clearsail.net> <19981126202014.A24457@marvin.ece.utexas.edu> <3662CD6C.118F81A@clearsail.net> <19981202182856.A9978@marvin.ece.utexas.edu>

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This worked!  The performance is not spectacular, but it's much better than 0.
Thank you verry much :)


"Brian C. Grayson" wrote:

> On Mon, Nov 30, 1998 at 10:53:00AM -0600, Jason McNew wrote:
> >
> > If I recall correctly, DMA is supported with the xl driver.  Perhaps I'm
> > mistaken?  We are using the xl driver on the server which is running
> > 2.2.7-19981123-SNAP.  The client is 2.2.7-Rlease using vx.
>
>   That could be -- I have a hard time tracking NetBSD, much less
> FreeBSD!  I noticed that the if_xl* files in 3.0 have all
> sorts of DMA stuff -- check your 2.2.7 tree in
> /usr/src/sys/pci/if_xl* (grep -i dma if_xl*).
>
> > >   Anyway, there are several potential solutions:
> > >   1.  Limit wsize and rsize to 1024 bytes, so that each NFS
> > >       request fits inside a single Ethernet packet.  This is what
> > >       I had to do, until I can get around to tsting out a new
> > >       kernel for our server with DMA 3c905.
> >
> > I'll give that a try.  Just one quick question: where about do I set this?  Is
> > it a configuration to set for the card or for nfs?
>
>   If these filesystems are mounted via /etc/fstab, add the
> options -w1024,-r1024 like this:
> latte:/a/latte/home/latte /home/latte   nfs     rw,-w1024 0      0
>
> > Thanks!  Hope you had a nice thanksgiving. :)
>
>   Just got back from the Micro-31 conference this afternoon --
> getting ready for that sort of cut into my Turkey-day
> festivities, but it was a nice break.
>
>   Brian
> --
> "Warum?"
> "It absorbs the sound."
> "Das ist nicht Deutsch."
> "No, it's not!"
>   --  Exchange between Dr. Weissenberger and a student in GERM 101


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