To run the mksysb backups on each LPAR run the following command, replacing /dev/rmt0 with the output device or storage location.

mksysb -i /dev/rmt0

To backup the volume groups run the following but replace /dev/rmt1 with the output device or storage location

savevg -mf /dev/rmt1 data2

To export the system configuration run the following command and transfer the pax file from /tmp/ibmsupt

snap -c

All of these files can be zipped up if that helps.