[ILUG] Too many NFS ops between RH 5.2 machine and F740 filer.

[Richard Archbold]

Yeah, I reckon so to. All the mail servers will be upgraded to Free BSD 4.4
in a few weeks anyway, but it is just weird that this on has much higher NFS
ops than some of the others.

Regards,

Richard.


----- Original Message -----
From: "Dave Airlie" <airlied at csn.ul.ie>
To: "Richard Archbold" <richarda at iol.ie>
Cc: <ilug at linux.ie>
Sent: Saturday, January 05, 2002 6:14 PM
Subject: Re: [ILUG] Too many NFS ops between RH 5.2 machine and F740 filer.


>
> the only thing I can see of note is 2.0.38 may not be the best NFS client
> in the world ever....
>
> I've no proof of this it is merely provided as conjecture.
>
> Dave.
>
> On Sat, 5 Jan 2002, Richard Archbold wrote:
>
> > Hi Guys,
> >
> > I have a mail server which NFS mounts its spool and conf files from a
NetApp
> > 740 filer. The filer has about 3 times as many NFS ops as of the other
> > filers that I look after and when I do a nfsstat -l on the filer I get
the
> > following line:
> >
> > 10.0.0.214      skinner-e0      NFSOPS =      20970 (54%)
> >
> > I have other mail servers of similar spec doing similar things that
don't
> > create half as many NFS ops. I have check /var/log/messages and any
other
> > log files I can think of but can't see any errors.
> >
> > The machine itself is newish, it is an Encom machine, PIII 500 MHz, with
> > half a gig of RAM and an 8 Gig scci hard disk. The machine is running
Red
> > Hat 5.2 with kernel 2.0.38. The version of ONTAP on the filer is 5.3.1.
The
> > mount options are as follows:
> >
> > rw,nolock,hard,intr,rsize=4096,wsize=4096
> >
> > I guess what I am looking for is someway to debug the NFS packets, are
some
> > of them being refused/corrupted/re-sent ? Also, can someone tell me what
the
> > NFS client software is on the RH machine ? Would upgrading the version
of
> > ONTAP help alleviate the problems or provide me with any better tools
for
> > debuging the problem ? I am a bit new to troubleshooting NFS problems so
if
> > some of the questions seem a bit silly I apologize in advance.
> >
> > Anyway, all help is appreciated.
> >
> > Regards,
> >
> > Richard.
> >
> >
> >
>
> --
> David Airlie, Software Engineer
> http://www.skynet.ie/~airlied / airlied at skynet.ie
> pam_smb / Linux DecStation / Linux VAX / ILUG person
>
>
>