It seems like the 2nd DVD for SLES 11 has become too big to fit onto a DVD.

SLES-11-SP2-DVD-x86_64-GM-DVD2.iso size is 5 062 455 296 bytes
DVD-RW size is 4 706 074 624 bytes

How does one break up the ISO image to be able to fit onto 2 DVDs, and still function correctly under YaST Software Management and SUSE installer?