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18.17 READ (12) - (A8)
Table 133: Read (12) - (A8)
Byte
0
7 6 5
Bit
4 3
Command Code = A8h
2 1 0
1 RDPROTECT DPO FUA
Rsvd
= 0
FUA_
NV
Rsvd =
0
(MSB)
2 - 5 Logical Block Address
(LSB)
(MSB)
6 - 9 Transfer Length
(LSB)
10
11 VU = 0
Reserved = 0
Reserved = 0 FLAG LINK
The READ(12) command causes the drive to transfer data to the initiator. See the READ(10) description for the definitions of the fields in this command.
HGST Ultrastar C10K600 (SAS) Hard Disk Drive Specification
179
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Table of contents
- 17 1.0 General
- 17 1.1 Introduction
- 17 1.2 Glossary
- 17 1.3 Caution
- 19 2.0 Outline of the Drive
- 21 3.0 Fixed-disk Subsystem Description
- 21 3.1 Control Electronics
- 21 3.2 Head Disk Assembly
- 21 3.3 Actuator
- 23 4.0 Drive Characteristics
- 23 4.1 Formatted Capacity
- 23 4.2 Data Sheet
- 24 4.3 Inquiry Information
- 24 4.3.1Product ID
- 24 4.3.2World Wide ID - Block Assignment
- 25 4.4 Cylinder allocation
- 26 4.5 Performance characteristics
- 27 4.5.1 Mechanical positioning
- 28 4.5.2 Average latency
- 28 4.5.3 Spindle stop time
- 29 4.5.4 Data transfer speed
- 29 4.5.5 Buffering operation (read ahead/write cache)
- 31 5.0 Data Integrity
- 31 5.1 Equipment Status
- 31 5.2 Error Recovery Procedure
- 33 6.0 Physical Format
- 33 6.1 Shipped Format (P-List)
- 33 6.2 Reassigned Format (G-List)
- 35 7.0 Electrical Interface
- 35 7.1 SAS Connector
- 35 7.1.1 29 pin Serial Attached SCSI (SAS) Connector Definition
- 36 7.1.2 Voltage and Ground Signals
- 36 7.1.3 Ready LED output
- 37 8.0 Environment
- 37 8.1 Temperature and humidity
- 38 8.2 Storage requirements
- 38 8.2.1 Packaging
- 38 8.2.2 Storage time
- 38 8.3 Corrosion test
- 39 8.4 Cooling requirements
- 41 9.0 DC Power Requirements
- 42 9.1 Power Supply Current, Average and Peak
- 44 9.2 Ripple Voltage
- 44 9.3 Power Consumption Efficiency Index
- 45 10.0 Reliability
- 45 10.1 Start/Stop Cycles
- 45 10.2 Load/Unload Cycles
- 45 10.3 Data Reliability
- 45 10.4 Seek errors
- 45 10.5 Failure prediction (S.M.A.R.T)
- 45 10.6 MTBF (Mean Time Between Failure): 2.0M hours
- 46 10.7 Preventive Maintenance
- 46 10.8 Temperature Warning
- 47 11.0 Mechanical Specifications
- 47 11.1 Outline
- 47 11.2 Mechanical Dimensions
- 49 11.3 Interface Connector
- 50 11.4 Mounting Positions and Tappings
- 51 11.5 Drive Mounting
- 51 11.6 Heads Unload and Actuator Lock
- 53 12.0 Vibration and Shock
- 53 12.1 Operating Vibration
- 53 12.1.1 Random Vibration
- 53 12.1.2 Swept Sine Vibration
- 53 12.2 Non-operating Vibrations
- 53 12.2.1 Random Vibration
- 53 12.2.2 Swept Sine Vibration
- 53 12.3 Operating shock
- 54 12.4 Non-operating shock
- 54 12.4.1 Half sine wave shock pulse
- 54 12.4.2 Rotational shock
- 55 13.0 Acoustics
- 55 13.1 Sound power levels
- 57 14.0 Identification
- 57 14.1 Labels
- 59 15.0 Electromagnetic Compatibility
- 59 15.1 Class B Regulatory Notices
- 61 16.0 Standards
- 61 16.1 European Standards Compliance
- 61 16.2 German Safety Mark
- 61 16.3 Flammability
- 63 17.0 SAS Attachment
- 63 17.1 General
- 63 17.2 SAS Features
- 64 17.3 SAS Names and Identifiers
- 65 17.4 Spin up
- 66 17.5 PHY Layer
- 66 17.5.1 Link Reset Sequence
- 67 17.5.2 Hard Reset
- 67 17.5.3 SAS OOB (Out of Band)
- 68 17.5.4 SAS Speed Negotiation
- 69 17.5.5 PHY Error Handling
- 69 17.6 Link Layer
- 69 17.6.1 Address Frames
- 72 17.6.2 Link Layer Error Handling
- 74 17.7 Transport Layer
- 75 17.7.1 Command Information Unit
- 76 17.7.2 TASK Information Units
- 78 17.7.3 XFER_RDY Information Units
- 78 17.7.4 DATA Information Units
- 78 17.7.5 RESPONSE Information Units
- 80 17.7.6 Sequences of SSP Information Units
- 81 17.7.7 Transport Layer Error Handling
- 83 18.0 SCSI Command Set
- 85 18.1 SCSI Control Byte
- 85 18.2 Abbreviations
- 85 18.3 Byte ordering conventions
- 86 18.4 FORMAT UNIT (04)
- 88 18.4.1 Parameter List Header
- 90 18.4.2 Defect Descriptor
- 93 18.5 INQUIRY (12)
- 94 18.5.1 Inquiry Data
- 110 18.6 LOG SELECT (4C)
- 113 18.7 LOG SENSE (4D)
- 114 18.7.1 Log Page parameters
- 115 18.7.2 Log Sense Page
- 116 18.7.3 Log Sense Page
- 118 18.7.4 Log Sense Page
- 120 18.7.5 Log Sense Page
- 122 18.7.6 Log Sense Page
- 123 18.7.7 Log Sense Page D
- 124 18.7.8 Log Sense Page E
- 126 18.7.9 Log Sense Page F
- 127 18.7.10 Log Sense Page
- 130 18.7.11 Log Sense Page
- 133 18.7.12 Log Sense Page
- 137 18.7.13 Log Sense Page 1A
- 138 18.7.14 Log Sense Page 2F
- 139 18.7.15 Log Sense Page
- 142 18.7.16 Log Sense Page
- 144 18.8 MODE SELECT (15)
- 145 18.9 MODE SELECT (55)
- 146 18.10 MODE SENSE (1A)
- 147 18.10.1 Mode Parameter List
- 151 18.10.2 Mode Page 00 (Vendor Unique Parameters)
- 153 18.10.3 Mode Page 01 (Read/Write Error Recovery Parameters)
- 158 18.10.4 Mode Page 02 (Disconnect/Reconnect Parameters)
- 160 18.10.5 Mode Page 03 (Format Device Parameters)
- 162 18.10.6 Mode Page 04 (Rigid Disk Drive Geometry Parameters)
- 163 18.10.7 Mode Page 07 (Verify Error Recovery Parameters)
- 164 18.10.8 Mode Page 08 (Caching Parameters)
- 166 18.10.9 Mode Page 0A (Control Mode Page Parameters)
- 170 18.10.10 Mode Page 0C (Notch Parameters)
- 171 18.10.11 Mode Page 18h
- 172 18.10.12 Mode Page 19h (Port Control Parameters)
- 178 18.10.13 Mode Page 1A (Power Control)
- 179 18.10.14 Mode Page 1C (Informational Exceptions Control)
- 182 18.11 MODE SENSE (5A)
- 183 18.12 PERSISTENT RESERVE IN (5E)
- 183 18.12.1 Service Action
- 184 18.12.2 Parameter data for Read Keys
- 185 18.12.3 Parameter Data for Read Reservations
- 186 18.13 PERSISTENT RESERVE OUT (5F)
- 187 18.13.1 Service Action
- 187 18.13.2 Type
- 188 18.13.3 Parameter list
- 189 18.13.4 Summary
- 191 18.14 PRE-FETCH (34)
- 192 18.15 READ (6) - (08)
- 193 18.16 READ (10) - (28)
- 195 18.17 READ (12) - (A8)
- 196 18.18 READ (16) - (88)
- 197 18.19 READ (32) - (7F/09)
- 199 18.20 READ BUFFER (3C)
- 200 18.20.1 Combined Header And Data (Mode 00000b)
- 200 18.20.2 Read Data (Mode 00010b)
- 201 18.20.3 Descriptor (Mode 00011b)
- 202 18.20.4 Read Data from Echo Buffer (Mode 01010b)
- 202 18.20.5 Echo Buffer Descriptor (Mode 01011b)
- 202 18.20.6 Expander Communications and Echo Buffer (Mode 11010b)
- 203 18.21 READ CAPACITY (10) - (25)
- 205 18.22 READ CAPACITY (16) (9E/10)
- 205 18.22.1 Returned Data Format
- 206 18.23 READ DEFECT DATA (37)
- 208 18.23.1 Defect List Header
- 208 18.23.2 Defect List Descriptor
- 209 18.23.3 Bytes from Index Format (100b)
- 209 18.23.4 Physical Sector Format (101b)
- 210 18.24 READ DEFECT DATA (B7)
- 210 18.24.1 Defect List Header
- 211 18.24.2 Defect List Descriptor
- 211 18.24.3 Bytes from Index Format (100b)
- 211 18.24.4 Physical Sector Format (101b)
- 212 18.25 READ LONG (3E)
- 213 18.26 REASSIGN BLOCKS (07)
- 215 18.27 RECEIVE DIAGNOSTICS RESULTS (1C)
- 215 18.27.1Receive Diagnostic Results Page
- 216 18.27.2Receive Diagnostic Results Page
- 218 18.28 RELEASE (17)
- 219 18.29 RELEASE (57)
- 220 18.30 REPORT DEVICE IDENTIFIER (A3/05)
- 222 18.31 REPORT LUNS (A0)
- 223 18.32 REPORT SUPPORTED OPERATION CODES (A3/0C)
- 224 18.32.1All_commands parameter data format
- 225 18.32.2One_command parameter data format
- 227 18.32.3Command timeouts descriptor format
- 228 18.33 REPORT SUPPORTED TASK MANAGEMENT FUNCTIONS (A3/0D)
- 230 18.34 REQUEST SENSE (03)
- 231 18.35 RESERVE (16)
- 232 18.36 RESERVE (56)
- 233 18.37 REZERO UNIT (01)
- 234 18.38 SEEK (6) - (0B)
- 234 18.39 SEEK (10) - (2B)
- 235 18.40 SEND DIAGNOSTIC (1D)
- 237 18.40.1 Send Diagnostic Page
- 237 18.40.2 Send Diagnostic Page 3F
- 240 18.40.3 Send Diagnostic Page
- 242 18.41 SET DEVICE IDENTIFIER (A4/06)
- 243 18.42 START STOP UNIT (1B)
- 246 18.43 SYNCHRONIZE CACHE (10) - (35)
- 247 18.44 SYNCHRONIZE CACHE (16) - (91)
- 248 18.45 TEST UNIT READY (00)
- 249 18.46 VERIFY (2F)
- 252 18.47 VERIFY (12) - (AF)
- 253 18.48 VERIFY (16) - (8F)
- 254 18.49 VERIFY (32) - (7F/0A)
- 256 18.50 WRITE (6) - (0A)
- 257 18.51 WRITE (10) - (2A)
- 259 18.52 WRITE (12) - (AA)
- 260 18.53 WRITE (16) - (8A)
- 261 18.54 WRITE (32) - (7F/0B)
- 263 18.55 WRITE AND VERIFY (10) - (2E)
- 264 18.56 WRITE AND VERIFY (12) - (AE)
- 265 18.57 WRITE AND VERIFY (16) - (8E)
- 266 18.58 WRITE AND VERIFY (32) - (7F/0C)
- 267 18.59 WRITE BUFFER (3B)
- 267 18.59.1 Combined Header And Data (Mode 00000b)
- 268 18.59.2 Write Data (Mode 00010b)
- 268 18.59.3 Download Microcode (Mode 00100b)
- 269 18.59.4 Download Microcode and Save (Mode 00101b) -Single Binary File
- 269 18.59.5 Download Microcode and Save (Mode 00111b) - Multiple Binary Files
- 269 18.59.6 Write Data to Echo Buffer (Mode 01010b)
- 270 18.59.7 Enable Expander Communications Protocol (Mode 11010b)
- 271 18.60 WRITE LONG (3F)
- 273 18.61 WRITE SAME (41)
- 274 18.62 WRITE SAME (16) - (93)
- 275 18.63 WRITE SAME (32) - (7F/0D)
- 277 19.0 SCSI Status Byte
- 279 20.0 Additional information
- 279 20.1 SCSI Protocol
- 279 20.1.1 Priority of SCSI Status Byte Reporting
- 279 20.1.2 Invalid LUN Processing
- 280 20.1.3 Overlapped Commands
- 280 20.1.4 Command Processing During Execution of Active I/O Process
- 281 20.1.5 Unit Attention Condition
- 283 20.1.6 Command Processing During Startup and Format Operations
- 283 20.1.7 Internal Error Condition
- 283 20.1.8 Deferred Error Condition
- 284 20.1.9 Degraded Mode
- 291 20.1.10Command Processing while Reserved
- 291 20.2 Priority Commands
- 292 20.3 Command Queuing
- 292 20.3.1 Queue Depth
- 292 20.3.2 Queue Full Status
- 292 20.3.3 Termination of I/O Processes
- 292 20.4 Command Reordering
- 292 20.5 Concurrent I/O Process
- 292 20.6 Write Cache
- 293 20.7 Automatic Rewrite/Reallocate
- 295 20.8 Segmented Caching
- 295 20.8.1 Overview
- 295 20.8.2 Read Ahead
- 295 20.9 Multiple Initiator Systems
- 295 20.9.1 Sense Data
- 295 20.9.2 Mode Pages
- 295 20.10 Multiple Initiator Environment
- 295 20.10.1 Initiator Sense Data
- 295 20.10.2 Initiator Mode Select/Mode Sense Parameters
- 296 20.11 Reset
- 296 20.11.1 Reset Sources
- 296 20.11.2 Reset Actions
- 296 20.12 Diagnostics
- 296 20.12.1 Power on Diagnostics
- 297 20.12.2 Self-test via SEND DIAGNOSTIC Command
- 300 20.13 Idle Time Function
- 300 20.14 Command Time out Limits
- 300 20.14.1 Reassignment Time
- 300 20.14.2 Format Time
- 300 20.14.3 Start/Stop Unit Time
- 301 20.14.4 Medium Access Command Time
- 301 20.14.5 Time-out Limits for Other Commands
- 302 20.15 Recommended Initiator ERP
- 302 20.15.1 Drive Service Strategy
- 303 20.15.2 Recommendations for System Error Log
- 303 20.15.3 Data Recovery Procedure
- 305 20.15.4 Nondata Error Recovery Procedure
- 313 21.0 TCG SSC
- 313 21.1 Referenced Specifications and Standards
- 313 21.1.1 TCG Specifications
- 313 21.1.2 Federal Information Processing Standards (FIPS)
- 313 21.1.3 National Institute of Standards (NIST)
- 313 21.1.4 Department of Defense
- 314 21.1.5 RSA Laboratories Standards
- 314 21.1.6 Other Standards
- 314 21.2 Implementation Exceptions
- 314 21.3 Implementation Features and Details Outside of TCG Specifications
- 315 21.4 Encryption Algorithms
- 315 21.4.1 Advanced Encryption Standard(AES) Support
- 315 21.4.2 Level 0 Discovery Vendor Specifc Data
- 316 21.4.3 Pseudo Random Number Generation (PRNG)
- 316 21.4.4 Key Wrapping
- 316 21.4.5 Key Erasure
- 316 21.5 -TCG SSC Tables
- 317 21.5.1 Admin SP C_PIN Table and Locking SP C_PIN Table
- 317 21.5.2 K_AES_256 Table
- 317 21.5.3 Locking SP AccessControl Table
- 318 21.5.4 Locking Info Table
- 319 21.5.5 Locking SP Locking Table
- 319 21.6 Firmware Download and Signing
- 322 21.7 MSID
- 322 21.8 Logging
- 322 21.9 Number of Sessions
- 322 21.10 Number of Bands
- 322 21.11 Number of COMIDs
- 322 21.12 Locked and Unlocked Behavior
- 322 21.12.1 T10 SCSI commands
- 325 21.12.2 TCG SSC Commands
- 326 21.13 Error Codes
- 327 22.0 SCSI Sense Data
- 327 22.1 SCSI Sense Data Format
- 328 22.2 Sense Data Description
- 328 22.2.1 Valid (Bit 7 of byte 0)
- 328 22.2.2 Error Code (Bit 6 - 0 of byte 0)
- 328 22.2.3 ILI: Incorrect Length Indicator (Bit 5 of byte 2)
- 329 22.2.4 Sense Key (Bit 3 - 0 of byte 2)
- 330 22.2.5 Information Bytes (Byte 3 through 6)
- 330 22.2.6 Additional Sense Length (Byte 7)
- 330 22.2.7 Command Specific Information (Byte 8 through 11)
- 331 22.2.8 Additional Sense Code/Qualifier (Byte 12 and 13)
- 359 22.2.9 RU: Field Replaceable Unit (Byte 14)
- 359 22.2.10 Sense Key Specific (Byte 15 through 17)
- 362 22.2.11 Reserved (Byte 18 through 19)
- 362 22.2.12 Vendor unique error information (Byte 20 through 23)
- 362 22.2.13 Physical Error Record (Byte 24 thru 29)
- 362 22.2.14 Reserved (Byte 30 through 31)
- 363 23.0 Appendix. UEC list