Manual De UsuarioTabla de contenidosCopyright2REVISION RECORD5PREFACE6Manual Organization9CONTENTS10FIGURES15TABLES16CHAPTER 1 COMMAND PROCESSING171.1 Command Format171.2 Status Byte231.3 Outline of Command Processing261.3.1 Single commands261.3.2 Command link271.3.3 Disconnect/reconnect processing291.3.4 Synchronous mode data transfer/wide mode data transfer331.4 Command Queuing Function351.4.1 Untagged queuing351.4.2 Tagged queuing371.5 UNIT ATTENTION Condition391.5.1 Generation of the UNIT ATTENTION condition391.5.2 Response and Release Condition at UNIT ATTENTION Condition Hold State401.5.3 UNIT ATTENTION condition multiple hold411.6 Sense Data Hold State421.6.1 Sense data hold condition421.6.2 Response and release conditions at sense data hold state431.7 Command Processing Exceptions441.7.1 Overlapping commands441.7.2 Illegal LUN specification451.7.3 Reserved operation code451.7.4 Command processing in the not ready state451.7.5 Error recovery processing471.7.6 Reset processing491.7.7 Fatal hardware errors511.8 Data Block Addressing521.8.1 Definition of data space521.8.2 Logical block addressing54CHAPTER 2 DATA BUFFER MANAGEMENT552.1 Data Buffer552.1.1 Data buffer configuration and basic operation552.1.2 Operation mode setting592.2 Look-Ahead Cache Feature612.2.1 Caching operation612.2.2 Caching parameters632.2.3 Look-Ahead operation, Look-Ahead volume642.3 Write Cache65CHAPTER 3 COMMAND SPECIFICATIONS663.1 Control/Sense Commands663.1.1 TEST UNIT READY (00)663.1.2 INQUIRY (12)673.1.3 READ CAPACITY (25)793.1.4 CHANGE DEFINITION (40)813.1.5 MODE SELECT (15)863.1.6 MODE SELECT EXTENDED (55)953.1.7 MODE SENSE (1A)973.1.8 MODE SENSE EXTENDED (5A)1033.1.9 REZERO UNIT (01)1053.1.10 START/STOP UNIT (1B)1063.1.11 RESERVE (16)1083.1.12 RESERVE EXTENDED (56)1123.1.13 RELEASE (17)1133.1.14 RELEASE EXTENDED (57)1143.1.15 REQUEST SENSE (03)1153.1.16 LOG SELECT (4C)1173.1.17 LOG SENSE (4D)1213.1.18 PERSISTENT RESERVE IN (5E)1233.1.19 PERSISTENT RESERVE OUT (5F)1303.1.20 REPORT LUNS (A0)1343.1.21 REPORT DEVICE IDENTIFIER (A3)1363.1.22 SET DEVICE IDENTIFIER (A4)1383.2 Data Access Commands1403.2.1 READ (08)1403.2.2 READ EXTENDED (28)1413.2.3 WRITE (0A)1423.2.4 WRITE EXTENDED (2A)1433.2.5 WRITE AND VERIFY (2E)1443.2.6 VERIFY (2F)1453.2.7 SEEK (0B)1463.2.8 SEEK EXTENDED (2B)1473.2.9 SET LIMITS (33) (Not Supported)1483.2.10 SYNCHRONIZE CACHE (35)1513.3 Format Commands1523.3.1 FORMAT UNIT (04)1523.3.2 REASSIGN BLOCKS (07)1633.3.3 READ DEFECT DATA (37)1673.4 Maintenance, Diagnostic Commands1723.4.1 SEND DIAGNOSTIC (1D)1723.4.2 RECEIVE DIAGNOSTIC RESULTS (1C)1793.4.3 WRITE BUFFER (3B)1833.4.4 READ BUFFER (3C)1893.4.5 READ LONG (3E)1943.4.6 WRITE LONG (3F)1963.4.7 WRITE SAME (41)198CHAPTER 4 PARAMETER DATA FORMATS1994.1 Mode Parameters1994.1.1 Read/Write error recovery parameters (page code = 1)1994.1.2 Disconnect/reconnect parameters (page code = 2)2094.1.3 Format parameter (page code = 3)2134.1.4 Drive parameter (page code = 4)2174.1.5 Verify error recovery parameters (page code = 7)2194.1.6 Caching parameters (page code = 8)2214.1.7 Control mode parameters (page code = 0A)2274.1.8 Notch parameter (page code = 0C)2314.1.9 Informational exceptions control page (page code = 1C)2334.1.10 Additional error recovery parameters (page code = 21)2374.2 Log Parameters2384.2.1 Supprot log page (X'00')2384.2.2 Buffer overrun / underrun page (X'01')2394.2.3 Write error count page (X'02')2414.2.4 Read error count page (X'03')2444.2.5 Verify error count page (X'05')2484.2.6 Non-medium error count page (X'06')2514.2.7 Temperature page (X'0D')2524.2.8 Start-stop cycle counter page (X'0E')2534.2.9 Application client page (X'0F')2564.2.10 Self-test result page (X'10')2574.2.11 SMART status page (X'2F')2594.2.12 SMART data page (X'38')259CHAPTER 5 SENSE DATA ERROR RECOVERY METHODS2605.1 Sense Data2605.1.1 Sense data format2605.1.2 Sense data basic information2625.1.3 Sense data additional information2705.2 INIT Error Recovery Methods (Recommended)2715.2.1 Termination status analysis and error recovery methods2715.2.2 Sense data analysis and error recovery methods2745.2.3 Error logging2825.3 Disk Drive Error Recovery Processing2835.3.1 Error states and retry processing procedures2835.3.2 Auto alternate block allocation processing2845.3.3 Error recovery processing control286CHAPTER 6 DISK MEDIA MANAGEMENT2886.1 Defect Management2886.2 Disk Media Initialization2916.2.1 Initialization during installation2916.2.2 Re-initialization2926.3 Data Block Verification Methods (Recommended)2946.4 Alternate Block Allocation Processing296Glossary297Abbreviations299Reader Comment Form301Back Title302Tamaño: 1 MBPáginas: 302Language: EnglishManuales abiertas