Become superuser on any node and place the node to be removed in maintenance state.
[削除する定足数デバイスを確認する]
# scconf -pv | grep Quorum
[scsetup ユーティリティを実行する]
# scsetup
Select Quorum>Remove a quorum disk.
Answer the questions when prompted.
[scconf コマンドが正常に終了したことを確認する]
 
scconf -r -q globaldev=d4
 
    Command completed successfully.
Quit the scsetup Quorum Menu and Main Menu.
[定足数デバイスが削除されたことを確認する]
# scstat -q
 
-- Quorum Summary --
 
  Quorum votes possible:      3
  Quorum votes needed:        2
  Quorum votes present:       3
 
-- Quorum Votes by Node --
 
                    Node Name           Present Possible Status
                    ---------           ------- -------- ------
  Node votes:       phys-schost-1       1        1       Online
  Node votes:       phys-schost-2       1        1       Online
 
-- Quorum Votes by Device --
 
                 Device Name         Present Possible Status
                 -----------         ------- -------- ------
  Device votes:  /dev/did/rdsk/d3s2  1        1       Online