Brocade Fabric OS Command Reference (Supporting Fabric OS v7.3.0) - Manual (Page 1179)

Fabric OS Command Reference 1149
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sysShutDown
2
To attempt a system shutdown from the standby CP (not supported):
switch:admin> sysshutdown
Shut down the whole system is not support from the standby CP
For shut down the whole system
please run the sysshutdown from the active CP
SEE ALSO
haDisable