Hello,
If you plan to upgrade to 6.5 make sure you check your /etc/exports file after rebooting with 6.5 for the first time. I just upgraded an 840 and an 880 and on both machines the exports file has been rewritten giving everyone read-only access.
Running 6.4.2: /vol/vol10 -access=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de /vol/vol11 -access=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de ...
Running 6.5P5: /vol/vol10 -ro,rw=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de /vol/vol11 -ro,rw=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de:dschinny.zdv.uni-mainz.de,root=donald.zdv.uni-mainz.de:unixadm.zdv.uni-mainz.de ...
Carsten