[wplug] NFS: Copying large files hangs
Jason Jerome
jjerome2 at yahoo.com
Mon Sep 12 08:58:03 EDT 2005
Just two ideas:
Is this machine running a software firewall? If so, have you tried to
transfer the file with the firewall turned off? I had some problems
with NFS and a firewall until I realized that NFS doesn't stick to one
port.
I also had a similar issue with Samba. It turned out that I had a set
timeout limit that would cause large files to fail during copy.
Good luck...
--- Brandon Kuczenski <brandon at 301south.net> wrote:
> I am having some issues with NFS. The Client machine is Linux
> 2.6.11,
> running Debian, and the server is FreeBSD 4.11. When I copy a large
> file
> (~200 MB) I get about 3/4 of the way through before the copying just
> stops. I can't tell how far it gets but it's not the same point
> every
> time.
>
> Before the glitch occurs, ping times between the machines are around
> 1ms;
> afterwards, they vary from 500-1500ms. The client machine becomes
> unstable and sometimes won't even shutdown cleanly (I get an endless
> screen of illegible nfs/RPC error messages) but it is fully
> repeatable.
>
> I believe both client and server are running NVS version 3. Here is
> the
> line from /etc/fstab on the client:
> ocean:/home/share /mnt/nfs/ocean/share nfs
> nfsvers=3,rsize=8192,wsize=8192,timeo=14,intr 0 0
>
> I added all those options after running with defaults failed.
>
> Any suggestions how to solve this problem? or at least how to
> approach it?
>
> -Brandon
>
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