[ILUG] Nfs fine tuning

[Walter Faleiro]

Also its Ethernet.

On 10/11/07, Walter Faleiro <curtorkar at gmail.com> wrote:
>
> Hi Dreyer,
> The network is local. I was using autmounts, but to troubleshoot the issue
> am using hardmount now.
>
> Where do you want these options to be used
>
> rsize=32768,wsize=32768,async,noatime,nodiratime?
>
> On the server or the client?
>
> Thanks,
> --Walter
>
>
>
>
>
>
> On 10/11/07, A. Dreyer < ml10022 at adreyer.com> wrote:
> >
> > Walter Faleiro wrote:
> > > Hi,
> > > Please note the test results on my nfs server/client
> > >
> > >
> > > SERVER
> > > sh-2.05b$ time dd if=/dev/zero of=testfile count=262144 bs=1024
> > > 262144+0 records in
> > > 262144+0 records out
> > >
> > > real    0m2.088s
> > > user    0m0.220s
> > > sys     0m1.210s
> > >
> > >
> > >
> > > CLIENT
> > > -sh-3.00$ time dd if=/dev/zero of=testfile count=262144 bs=1024
> > > 262144+0 records in
> > > 262144+0 records out
> > >
> > > real    0m16.933s
> > > user    0m0.126s
> > > sys     0m1.608s
> > >
> > >
> > > The /etc/exports file on the server has
> > >
> > > /export *(rw,sync,root_squash)
> > >
> > >
> > > The server is running ES 3  and the client ES 4.
> > >
> > >
> > > Is there anyway I can reduce the time it takes on the client? or is it
> > > normal speed difference between a local disk and nfs.
> > >
> > > Thanks,
> > > --W
> >
> > Hi Walter,
> >
> > A few questions:
> > - Is this in a local network?
> > - Ethernet or WiFi?
> > - Which mount options are you using?
> >
> > Try with these mount options:
> >
> > rsize=32768,wsize=32768,async,noatime,nodiratime
> >
> >
> >
> > Cheers,
> > Achim
> > --
> > Achim Dreyer                 || http://www.adreyer.com/
> > Senior Unix & Network Admin  || RHCE, RHCA, CCNA, CCSA, CCSE
> > Internet Security Consultant || Phone: +44 7756948229
> >
> > --
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>
>