On June 19, 2005 03:43 am, Andreas Karlsson wrote:
> On Sunday 19 June 2005 00.45, Scott Tiret wrote:
> > On Sun, 2005-06-19 at 00:22 +0200, Andreas Karlsson wrote:
> > > Hello all,
> > >
> > > I am getting quite sick of my self and NFS. I´ve read many posts at
> > > forums.gentoo.org, I´ve googled, I´ve tested and tested and tested...
> > > No help could be found.
> >
> > I had similar performance issues with NFS.  Tried all the different NSF
> > options.  Turned out to be a simple networking problem.  One of the
> > hosts on my switched 100Mb/s network was actually running half-duplex.
> > Try ifconfig to see if there are any errors on each of the network
> > cards.  Also try mii-diag to see what the auto-negotiation messages are
> > saying.  You can then set speed and duplex using mii-tool if you need
> > to.  You might also check the cables just to be sure.
>
> Thanks for the reply.
> I forgot to include that information. All cards are running at 100mbit,
> full duplex, with auto negotiation on, according to ethtool.
> And as I get good performance out of netperf I don´t really see this as a
> problem on a harware level. Neither are ifconfig reporting any
> error-packets or droped packets.

make sure you've got the async option set on the share.  "sync" is now the 
default and it's slower to transfer.

-- 
without law or compulsion, men would dwell in harmony
  - lau tzu, "tao te ching: chapter xxxii"
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