[PLUG] Problem nfs-mounting "large files"

[Galen Seitz]

Dean S. Messing <deanm at sharplabs.com> wrote:
> 
> Galen Seitz wrote:
> : Dean S. Messing wrote:
> : 
> : > 
> : > I have a large .iso image (4GB) on machine B which I have loopback
> : > mounted to directory /mnt/disk.
> : > 
> : > When I try to nfs mount B:/mnt/disk to machine A I get a "permission
> : > denied" error.
> : > 
> : > If I replace the 4GB image with, say, a 700MB .iso image, I have
> : > no problem with the NFS mount.
> : > 
> : > I'm running the latest version of Mandriva (2005LE == Mandrake 10.2)
> : > on machine B and Mandrake 10.0 on machine A.
> : > 
> : > While googling around on this problem I've seen references to "large
> : > file" problems with rpc.mountd on older versions of nfs (like v. 2)
> : > but my current systems are (I presume) running a later version (3 or 4).
> : > Don't know how to find out which version however.
> : > 
> : 
> : There may be a better way, but nfsstat or rpcinfo -p will tell you 
> : which version you are running.
> : 
> 
> Thanks Galen.
> 
> I don't see any version info in rpcinfo -p but nfsstat says that the nfs
> server is running v3.  Any ideas why there seems to be a "small file" size
> limit on the situation I'm running?
> 

tinman:~$ /usr/sbin/rpcinfo -p
   program vers proto   port
snip
    100003    2   udp   2049  nfs
    100003    3   udp   2049  nfs
------------- ^ ------ nfs version
snip
tinman:~$ 

I did a little searching and didn't find an answer.  I think your best
bet is to ask on the linux nfs mailing list.
  http://lists.sourceforge.net/lists/listinfo/nfs

galen