Configure LDOM
Reference: [http://thegeekdiary.com/how-to-install-and-configure-ldoms-oracle-vm-for-sparc/]
Setup/update primary LDOM:
# ldm set-mau 0 primary
# ldm set-vcpu 8 primary
# ldm set-memory 4G primary
# ldm add-config new_config
# reboot (shutdown -y -g0 -i6)