Bryan,
   OK, according to ethereal I'm only getting NFS V2 across the bus.
Here's the way my two machines are set up:

The new 250GB storage machine - 2.6.12-gentoo-r6

<*> NFS file system support
 [ ]   Provide NFSv3 client support
 [ ]   Provide NFSv4 client support (EXPERIMENTAL)
 [ ]   Allow direct I/O on NFS files (EXPERIMENTAL)
 <*> NFS server support
 [*]   Provide NFSv3 server support
 [ ]     Provide NFSv4 server support (EXPERIMENTAL)
 [*]   Provide NFS server over TCP support 

The mythbackend machine which is the NFS client:

<*> NFS file system support
 [*]   Provide NFSv3 client support
 [ ]   Provide NFSv4 client support (EXPERIMENTAL)
 [ ]   Allow direct I/O on NFS files (EXPERIMENTAL)
 <M> NFS server support
 [*]   Provide NFSv3 server support
 [ ]     Provide NFSv4 server support (EXPERIMENTAL)
 [*]   Provide NFS server over TCP support 

I guess V2 support makes sense as that kernel only has V2 compiled in.
Shall I jump to V3 or V4?

thanks,
Mark

On 8/2/05, Bryan Whitehead <[EMAIL PROTECTED]> wrote:
> BTW, it could be you are using NFS v2 which is ONLY 32bit so you have the
> 4gb filesize limit.
> 
> run "nftstat -s" (on the server) and "nfsstat -c" (on the client) to see
> what version of NFS you are using (note: what version of NFS you are using
> is not related to the transport - udp/tcp).
> 
> I use bigger than 4GB files on Linux server/client all the time to move
> DVD iso's to machines with better burners...
> 
> you are running the 2.6 kernel?
> 
> On Tue, 2 Aug 2005, Bryan Whitehead wrote:
> 
> > What filesystem are you exporting over NFS?
> >
> > On Tue, 2 Aug 2005, Mark Knecht wrote:
> >
> >>  On 8/2/05, Matthew Cline <[EMAIL PROTECTED]> wrote:
> >> >  On 8/2/05, Mark Knecht <[EMAIL PROTECTED]> wrote:
> >> > >
> >> > >  but how do I know it's being used? And how do I know that the rsize
> >> > >  option is being used?
> >> > >
> >> > >  Thanks,
> >> > >  Mark
> >> >
> >> >  Could you watch the traffic between the two using something like
> >> >  ethereal? This should tell you which protocol is being used.
> >> >
> >>
> >>  Hi Matt,
> >>    OK, ethereal was pretty easy to use, and it does indeed show that
> >>  I'm using TCP for packat transfer. I see a proto=NFS packet followed
> >>  by a number of TCP packets with sizes of 8K bytes so this seems to
> >>  verify that both options I was looking for ar indeed working.
> >>
> >>     Thanks!
> >>
> >>    Unfortunately this means I'm no closer to the root cause of my real
> >>  problem which is mythbackend shutting down without warning. It
> >>  happened again just a few minutes ago. This all started happening
> >>  after I brought this NFS mount on-line as storage for the mythbackend
> >>  server. I suppose I'll have to go back to the reduced storage option
> >>  (15 hours instead of 120 hours) and make sure that it's really this
> >>  disk/PC/network connection.
> >>
> >>    Thanks again for your help.
> >>
> >>  Cheers,
> >>  Mark
> >>
> >>
> >
> >
> 
> --
> Bryan Whitehead
> Email:[EMAIL PROTECTED]
> --
> gentoo-user@gentoo.org mailing list
> 
>

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