Method, apparatus and program product are provided by which {HEAD ~ a data storage controller} dynamically reconfigures NVS and cache memory in multiple clusters, particularly when it is desired to change {TAIL ~ the size} of the NVS and cache of either or both clusters 
Method , apparatus and program product are provided by which { HEAD ~ a data storage controller } dynamically reconfigures NVS and cache memory in multiple clusters , particularly when it is desired to change { TAIL ~ the size } of the NVS and cache of either or both clusters
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH