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2.1.2 Operation mode setting.................................................................................................2-5
2.2 Look-Ahead Cache Feature ..........................................................................................2-7
2.2.1 Caching operation.........................................................................................................2-7
2.2.2 Caching parameters.......................................................................................................2-9
2.2.3 Look-Ahead operation, Look-Ahead volume................................................................2-10
2.3 Write Cache..................................................................................................................2-11
CHAPTER 3 COMMAND SPECIFICATIONS...........................................................................3-1
3.1 Control/Sense Commands.............................................................................................3-1
3.1.1 TEST UNIT READY (00)............................................................................................3-1
3.1.2 INQUIRY (12)..............................................................................................................3-2
3.1.3 READ CAPACITY (25)...............................................................................................3-14
3.1.4 CHANGE DEFINITION (40).......................................................................................3-16
3.1.5 MODE SELECT (15) ...................................................................................................3-21
3.1.6 MODE SELECT EXTENDED (55) .............................................................................3-30
3.1.7 MODE SENSE (1A).....................................................................................................3-32
3.1.8 MODE SENSE EXTENDED (5A)...............................................................................3-38
3.1.9 REZERO UNIT (01).....................................................................................................3-40
3.1.10 START/STOP UNIT (1B)............................................................................................3-41
3.1.11 RESERVE (16).............................................................................................................3-43
3.1.12 RESERVE EXTENDED (56)......................................................................................3-47
3.1.13 RELEASE (17) .............................................................................................................3-48
3.1.14 RELEASE EXTENDED (57) ......................................................................................3-49
3.1.15 REQUEST SENSE (03)................................................................................................3-50
3.1.16 LOG SELECT (4C) ......................................................................................................3-52
3.1.17 LOG SENSE (4D) ........................................................................................................3-56
3.1.18 PERSISTENT RESERVE IN (5E) ...............................................................................3-58
3.1.18.1 PERSISTENT RESERVE IN service actions...............................................................3-58
3.1.18.1.1 READ KEYS................................................................................................................3-59
3.1.18.1.2 READ RESERVATIONS.............................................................................................3-59
3.1.18.2 PERSISTENT RESERVE IN parameter data for READ KEYS ..................................3-59
3.1.18.3 PERSISTENT RESERVE IN parameter data for READ RESERVATION .................3-61
3.1.18.3.1 Persistent reservations scope.........................................................................................3-63
3.1.18.3.1.1 Logical unit scope.........................................................................................................3-63
3.1.18.3.1.2 Element scope (not supported)......................................................................................3-63
3.1.18.3.2 Persistent reservations type...........................................................................................3-63
3.1.19 PERSISTENT RESERVE OUT (5F)............................................................................3-65