Problem Summary: You cannot remove the last node from a Solstice DiskSuite diskset unless you first take the device group offline.
Workaround: To remove the last node from a diskset, take the device group offline first. To remove the last node, run the following two commands as superuser from the nodeto be removed.
# /usr/cluster/bin/scswitch -m -D disksetname # metaset -s disksetname -d -h nodename |