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