If you want to remove the HBA without first halting the operating system and removing power from the associated server blade, prepare the HBA for removal as follows:
cfgadm Ap_Id Type Receptacle Occupant Condition pcie1 pci-pci/hp connected configured ok pcie2 pci-pci/hp connected configured ok
A flashing Power OK LED indicates that the HBA is being prepared for removal. An off Power OK LED indicates that the HBA is ready to be removed.