Perform the following steps on each zone-cluster node.
phys-schost# clzonecluster reboot -o zone-cluster
phys-schost# zlogin zone-cluster
zchost# cd new-release-dvd-path/Solaris_arch/Product/sun_cluster/Solaris_10/Tools/ zchost# ./scinstall -u update
In the path, arch is sparc or x86.