[mythtv-users] Maximum file size exceeded by file

[mythtv at blandford.net]

George Galt wrote:
> All:
> 
> I've encountered an odd problem and can only seem to find a brief 
> discussion in the archives on the subject (which was the devs talking 
> about implementing the error message). 
> 
> I recently set up a slave backend (32-bit Fedora 10) with an old PVR-250 
> to handle some additional recording needs.  It mounts the video 
> directory of the master backend through NFS so that the recordings are 
> written directly to the main video storage directory (which is an XFS 
> file system on a 64-bit Fedora 8 box).  Here is the line from fstab 
> mounting the master backend directory:
> 192.168.1.50:/data/video   /video            nfs     
> intr,rsize=8192,wsize=8192,async,nfsvers=3,bg,soft,actimeo=0,tcp
> 
> For hour long recordings (normally about 2.4GB) the last 5-10 minutes 
> are cut off, even though the OSD shows a recording time of 1 hour and 
> the file size is truncated to about 2.1GB.
> 
> The log on the slave backend shows the following:
> 
> Maximum file size exceeded by '/video/recordings/2024_20090316200000.mpg
> You must either change the process ulimits, configure
> your operating system with "Large File" support, or use
> a filesystem which supports 64-bit or 128-bit files.
> HINT: FAT32 is a 32-bit filesystem.
> 
> I'm not sure what to change, however.  The file system on the master 
> backend can certainly handle large files that come off the master 
> backend.  Is there some limit on NFS that I need to alter?  Any help 
> would be greatly appreciated.

NFS version 2 had a 2GB file system limit.  Even though you specified 
v3, I would verify that the mount is indeed v3.

Take a look at the output of cat /proc/mounts on the client and verify v3.

Michael