wherein {HEAD ~ an operation mode} of said second intermediary port is not {TAIL ~ a power saving mode} and said intermediary device is configured to access said second disk device via said second intermediary port while an operation mode of said first intermediary port continues to be a power saving mode 
is not
wherein { HEAD ~ an operation mode } of said second intermediary port is not { TAIL ~ a power saving mode } and said intermediary device is configured to access said second disk device via said second intermediary port while an operation mode of said first intermediary port continues to be a power saving mode
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH