A portion of each of the caches of {TAIL ~ the first and second clusters} is allocated to a buffer equal in size to {HEAD ~ the larger NVS buffer} 
A portion of each of the caches of { TAIL ~ the first and second clusters } is allocated to a buffer equal in size to { HEAD ~ the larger NVS buffer }
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD