tel net into system ILO from other server with Admin account
$ CO !enter the console
login as system user !must to be able to read and execute shutdown
$ SET DEF SYS$SYSTEM !location of shutdown command
$ @SHUTDOWN !run shutdown command
if not part of cluster:
default shutdown
Ctrl+B
CM
PC -OFF
if part of cluster:
REMOVE_NODE !remove node from cluster
Ctrl+B
CM
PC -OFF
if forget to use REMOVE:
Ctrl+P
Q
change quorum manually
Ctrl+Z