vobcopy -i /dvd -m /stuff/iso/ -o /stuff/disk1/FullDisc2/
[Hint] You use -i. Normally this is not necessary, vobcopy finds the input dir by itself. This option is only there if vobcopy makes trouble.
[Hint] If vobcopy makes trouble, please mail me so that I can fix this (robos@muon.de). Thanks
Vobcopy 1.1.0 - GPL Copyright (c) 2001 - 2007 robos@muon.de
[Hint] All lines starting with "libdvdread:" are not from vobcopy but from the libdvdread-library
[Info] Device /stuff/iso mount on /dev/loop0

[Info] Path to dvd: /dev/loop0
libdvdread: Using libdvdcss version 1.2.10 for DVD access
libdvdread: Could not open /dev/loop0 with libdvdcss.
libdvdread: Can't open /dev/loop0 for reading

[Error] Path thingy didn't work '/dev/loop0'
[Error] Try something like -i /cdrom, /dvd  or /mnt/dvd