[ノードのディスクデバイスグループを確認する]
# scstat -D
  -- Device Group Servers --
                       Device Group  Primary        Secondary
                       ------------  -------        ---------
  Device group servers: dg-schost-1  phys-schost-1  phys-schost-2
[スーパーユーザーになって scsetup ユーティリティを実行する
# scsetup
 Select Device groups and volumes>Remove a node from a VxVM device group.
Answer the questions when prompted. 
You will need the following information.
  You Will Need:            Example:
  VxVM device group name    dg1
  node names                phys-schost-1
[scconf コマンドを適切に実行したことを確認する]
 
scconf -r -D name=dg1,nodelist=phys-schost-4
 
    Command completed successfully.
Quit the scsetup Device Groups Menu and Main Menu.
[ノードが削除されたことを確認する]
# scconf -p | grep Device
  Device group name:                 dg1
    Device group type:               VxVM
    Device group failback enabled:   no
    Device group node list:          phys-schost-3
    Device group diskset name:    	dg1