Issue changing the size of my NFS share

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I'm running Mandriva 2008 and have just set up the computer as a NFS server to share a 50GB partition as /mnt/trans.

 

When I use my other computer (Laptop with Cooker) it tells me that the disk is full after transfering 300MB of data. I'm rather confused about this one as wherever i look I do not see the options or settings that concern the size of the shared volume. I am also unsure on where to look for the configuration file that would contain the settings I would need to go about changing the size of the the volume. Or at least what it is reporting to be anyway.

 

Any one gimme a hand please?

 

 

This is the contents of my exports file

# generated by drakhosts.pl
/mnt/trans *(no_root_squash,async,insecure,no_subtree_check,rw)