Further, the invention relates to a cache device and a method for performing {HEAD ~ high speed data write} and read between {TAIL ~ a host} and a storage device 
Further , the invention relates to a cache device and a method for performing { HEAD ~ high speed data write } and read between { TAIL ~ a host } and a storage device
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH