Slow NFS-write Performance w/Solaris 9 Clients 2006-06-08 - By Brian Long
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On Thu, 2006-06-08 at 11:38 -0400, Tim Evans wrote:
> On Thu, 08 Jun 2006 11:09:05 -0400, Brian Long wrote
>
> > Run 'nfsstat -m' on the Solaris 9 host and see which mount options it's
> > using to mount your Dell. It may be that the newer Linux kernel
> > advertises capabilities that are actually making the performance
> > worse. :) For example, I don't know if rsize and wsize of 32768 is
> > ideal when mounting an RHEL NFS server. Those values work great against
> > Netapp filers and other Solaris servers, but I'm pretty sure Linux
> > prefers smaller values.
>
> Thanks. nfsstat on the Solaris client shows different rsize and wsize between
> our RHEL 4 and RHEL 3 servers. The former (where we are having no problems)
> are both at 32768, while the latter is 8192. Do you suggest forcing larger
> rsize/wsize on the client?
No because I don't think RHEL 3 kernel can handle the larger rsize and
wsize.
/Brian/
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