According to the method, when a request to write {HEAD ~ the predetermined data} to {TAIL ~ a page} to which data has been written is made, the predetermined data is written to a log block corresponding to a data block containing the page 
According to the method , when a request to write { HEAD ~ the predetermined data } to { TAIL ~ a page } to which data has been written is made , the predetermined data is written to a log block corresponding to a data block containing the page
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL 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