Move all resource groups and disk device groups off of the node to be removed. 

- Use scswitch

# scswitch -S -h from-node

Remove the node from all resource groups. 

- Use scrgadm

Sun Cluster 3.0 12/01 Data Services Installation and Configuration Guide: See the procedure for how to remove a node from an existing resource group.

Remove node from all disk device groups 

- Use scconf, metaset, and scsetup

Sun Cluster 3.0 12/01 System Administration Guide: see the procedures for how to remove a node from a disk device group (separate procedures for Solstice DiskSuite, VERITAS Volume Manager, and raw disk device groups).

Remove all quorum devices. 

- Use scsetup.

Caution: Do not remove the quorum device if you are removing a node from a two-node cluster.

Sun Cluster 3.0 12/01 System Administration Guide: "How to Remove a Quorum Device."

Note that although you must remove the quorum device before you remove the storage device in the next step, you can add the quorum device back immediately afterward. 

Remove the storage device from the node.  

- Use devfsadm, scdidadm.

Add the new quorum device (to only the nodes that are intended to remain in the cluster). 

- Use scconf -a -q globaldev=d[n],node=node1,node=node2,...

scconf(1M) man page

Place the node being removed into maintenance state. 

- Use scswitch, shutdown, and scconf.

Sun Cluster 3.0 12/01 System Administration Guide: "How to Put a Node Into Maintenance State"

Remove all logical transport connections to the node being removed. 

- Use scsetup.

Sun Cluster 3.0 12/01 System Administration Guide: "How to Remove Cluster Transport Cables, Transport Adapters, and Transport Junctions"

Remove node from the cluster software configuration. 

- Use scconf.

Sun Cluster 3.0 12/01 System Administration Guide: "How to Remove a Node From the Cluster Software Configuration"