At block 410, {HEAD ~ a FTL}, such as FTL 110 shown in FIG 1, for example, may receive a write operation request to write {TAIL ~ information} in NAND memory 
At block 410 , { HEAD ~ a FTL } , such as FTL 110 shown in FIG 1 , for example , may receive a write operation request to write { TAIL ~ information } in NAND memory
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH