2) The disk drive transfers the requested data but does not perform the
HAP 
(stopped)
Cache data | Full hit data | Cache data |
3)The cache data for next read command is as follows.
Cache data
Start LBA | Last LBA |
(4)Partially hit
A part of requested data including a lead sector are stored in the data buffer. The disk drive starts the data transfer from the address of the hit data corresponding to the lead sector of the requested data, and reads remaining requested data from the disk media directly.
Following is an example of partially hit to the cache data.
Cache data
Start LBA | Last LBA |
1)The disk drive sets the HAP to the address where the partially hit data is stored, and sets the DAP to the address just after the partially hit data.
HAP
Partially hit data
Lack data
DAP
6 - 20 |
