After copy /b image1 + image2 + image3 image.iso on the
windows platform I created a full ISO image of the DVD on my new
external 500 GB USB2 Drive.
After booting the laptop to my last installed Build and connecting the USB-Drive, I mounted the iso image for direkt access.
lofiadm -a /absolute/path/to/iso-image
mount -F hsfs /dev/lofi/1 /mnt
After mounting I started the upgrade via the valueable live upgrade.
Installaing the live-upgrade packages in the actual running instance, the
live upgrade was started:
after some time of running an
switched to the new boot-environment.
lofiadm -d /dev/lofi/1
environment was the result.