If you want to remove the HBA without first halting the operating system and removing power from the associated system, prepare the HBA for removal as follows:
cfgadm Ap_Id Type Receptacle Occupant Condition pcie5 fibre/hp connected configured ok pcie6 fibre/hp connected configured ok
A flashing OK/Power LED indicates that the HBA is being prepared for removal. A dark OK/Power LED indicates that the HBA is ready to be removed, as described in To Remove the HBA Hardware.