During {TAIL ~ an initial microcode load} of the storage controller, space in the cache and NVS of each cluster is allocated to {HEAD ~ buffers} with the remaining cache and NVS space being allocated to customer data 
During { TAIL ~ an initial microcode load } of the storage controller , space in the cache and NVS of each cluster is allocated to { HEAD ~ buffers } with the remaining cache and NVS space being allocated to customer data
OTH 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 HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH