Re: nfs write speed performance... still

[Jammer <jammer_(_at_)_flashmail_(_dot_)_com>]

On Thu, 25 Nov 2004 04:55, Antoine Jacoutot wrote:
> and the machine freezes totally after like 10 seconds of transfer.
> Only a hard reboot was possible (nothing in the logs, console...).
> So here I am, I really don't know what I could do next.

I don't know if this is related or not but it sounds like the issue with NFS 
mounts on Linux systems. If my understanding is correct, some Linux NFS 
implementations set the Don't Fragment bit in already fragmented packets and 
pf then discards them, bringing NFS down hard.

Adding the following rule in /etc/pf.conf should sort this out.
=================================
# scrub and clear Don't Fragment bit (NFS)
scrub in all no-df
=================================

man pf.conf and search for "scrub"

Of course you may not be using pf and the filesystem may not be on a Linux box 
but in the absence of more information we're all in the dark.

Jeremy