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16.62 WRITE SAME (16) - (93)
Table 204: Write Same (16) - (93)
Bit
Byte
7 6 5 4 3 2 1 0
0
1
2-9
WRPROTECT
Command Code = 93h
Reserved = 0
PBDATA
=0
LBDATA
=0
Obsolete
(MSB) Logical Block Address (LSB)
10-13 (MSB) Number of Blocks (LSB)
14 Reserved = 0
15 VU = 0 Reserved = 0 FLAG LINK
The Write Same command instructs the Target to write a single block of data transferred to the Target from the Initiator to a number of sequential logical blocks. See the WRITE(10) command description for the definition of the WRPROTECT field.
HGST Ultrastar SSD400S.B (SAS) Solid State Drive Specification
230
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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 Solid State Drive
- 21 3.1 Control Electronics
- 23 4.0 Drive Characteristics
- 23 4.1 Formatted Capacity
- 23 4.2 Data Sheet
- 24 4.3 Inquiry Information
- 24 4.3.1 Product ID
- 24 4.4 World Wide ID - Block Assignment
- 25 4.5 Performance characteristics
- 25 4.5.1 Drive ready time
- 25 4.5.2 SSD Command Overhead
- 25 4.5.3 SSD Response Time
- 26 4.5.4 Data transfer speeds (Drive can sustain performance up to these values)
- 26 4.5.5 Random writes over the life of the drive
- 27 5.0 Data Integrity
- 27 5.1 Equipment Status
- 27 5.2 Error Recovery Procedure
- 29 6.0 Electrical Interface
- 29 6.1 SAS Connector
- 29 6.1.1 29 pin Serial Attached SCSI (SAS) Connector Definition
- 31 6.1.2 Voltage and Ground Signals
- 31 6.1.3 Ready LED output
- 33 7.0 Environment
- 33 7.1 Temperature and humidity
- 34 7.2 Storage requirements
- 34 7.2.1 Packaging
- 34 7.2.2 Storage time
- 34 7.3 Corrosion test
- 35 7.4 Cooling requirements
- 37 8.0 DC Power Requirements
- 37 8.1 Power Supply Current, Average and Peak
- 38 8.2 Ripple Voltage
- 38 8.3 Power Consumption Efficiency Index
- 39 9.0 Reliability
- 39 9.1 Data Reliability
- 39 9.2 Failure prediction (S.M.A.R.T)
- 39 9.3 MTBF (Mean Time Between Failure): 2M hours
- 39 9.4 Preventive Maintenance
- 39 9.5 Temperature Warning
- 41 10.0 Mechanical Specifications
- 41 10.1 Outline
- 41 10.2 Mechanical Dimensions
- 43 10.3 Mounting Positions and Tappings
- 44 10.4 Interface Connector
- 44 10.5 Drive Mounting
- 45 11.0 Acoustics, Vibration and Shock
- 45 11.1 Acoustics
- 45 11.2 Operating Vibration
- 45 11.2.1 Random Vibration
- 45 11.2.2 Swept Sine Vibration
- 45 11.3 Non-operating Vibrations
- 45 11.3.1 Random Vibration
- 45 11.3.2 Swept Sine Vibration
- 45 11.4 Operating shock
- 45 11.5 Non-operating shock
- 46 11.5.1 Half sinewave shock pulse
- 47 12.0 Identification
- 47 12.1 Labels
- 49 13.0 Electromagnetic Compatibility
- 49 13.1 Class B Regulatory Notices
- 51 14.0 Standards
- 51 14.1 UL and C-UL Standard Conformity
- 51 14.2 European Standards Compliance
- 51 14.3 German Safety Mark
- 51 14.4 Flammability
- 53 15.0 SAS Attachment
- 53 15.1 General
- 53 15.2 SAS Features
- 54 15.3 SAS Names and Identifiers
- 55 15.4 PHY Layer
- 55 15.4.1 Link Reset Sequence
- 56 15.4.2 Hard Reset
- 56 15.4.3 SAS OOB (Out of Band)
- 57 15.4.4 SAS Speed Negotiation
- 58 15.4.5 PHY Error Handling
- 58 15.5 Link Layer
- 58 15.5.1 Address Frames
- 61 15.5.2 Link Layer Error Handling
- 63 15.6 Transport Layer
- 64 15.6.1 Command Information Unit
- 65 15.6.2 TASK Information Units
- 67 15.6.3 XFER_RDY Information Units
- 67 15.6.4 DATA Information Units
- 67 15.6.5 RESPONSE Information Units
- 69 15.6.6 Sequences of SSP Information Units
- 70 15.6.7 Transport Layer Error Handling
- 73 16.0 SCSI Command Set
- 75 16.1 SCSI Control Byte
- 75 16.2 Abbreviations
- 75 16.3 Byte ordering conventions
- 76 16.4 FORMAT UNIT (04)
- 77 16.4.1 Parameter List Header
- 79 16.5 INQUIRY (12)
- 80 16.5.1 Inquiry Data
- 94 16.6 LOG SELECT (4C)
- 97 16.7 LOG SENSE (4D)
- 98 16.7.1 Log Page parameters
- 99 16.7.2 Log Sense Page
- 100 16.7.3 Log Sense Page
- 102 16.7.4 Log Sense Page
- 104 16.7.5 Log Sense Page
- 106 16.7.6 Log Sense Page
- 107 16.7.7 Log Sense Page D
- 108 16.7.8 Log Sense Page E
- 110 16.7.9 Log Sense Page F
- 111 16.7.10 Log Sense Page
- 114 16.7.11 Solid State Media log page (Page 11)
- 115 16.7.12 Log Sense Page
- 117 16.7.13 Log Sense Page
- 121 16.7.14 Log Sense Page 1A
- 122 16.7.15 Log Sense Page 2F
- 123 16.7.16 Log Sense Page
- 124 16.7.17 Log Sense Page
- 126 16.8 MODE SELECT (15)
- 127 16.9 MODE SELECT (55)
- 128 16.10 MODE SENSE (1A)
- 129 16.10.1 Mode Parameter List
- 133 16.10.2 Mode Page 00 (Vendor Unique Parameters)
- 135 16.10.3 Mode Page 01 (Read/Write Error Recovery Parameters)
- 136 16.10.4 Mode Page 02 (Disconnect/Reconnect Parameters)
- 137 16.10.5 Mode Page 03 (Format Device Parameters)
- 139 16.10.6 Mode Page 04 (Rigid Disk Drive Geometry Parameters)
- 140 16.10.7 Mode Page 07 (Verify Error Recovery Parameters)
- 141 16.10.8 Mode Page 08 (Caching Parameters)
- 143 16.10.9 Mode Page 0A (Control Mode Page Parameters)
- 145 16.10.10 Mode Page 0C (Notch Parameters)
- 145 16.10.11 Mode Page 18h
- 147 16.10.12 Mode Page 19h (Port Control Parameters)
- 153 16.10.13 Mode Page 1A (Power Control)
- 154 16.10.14 Mode Page 1C (Informational Exceptions Control)
- 157 16.11 MODE SENSE (5A)
- 159 16.12 PERSISTENT RESERVE IN (5E)
- 159 16.12.1 Service Action
- 160 16.12.2 Parameter data for Read Keys
- 161 16.12.3 Parameter Data for Read Reservations
- 162 16.13 PERSISTENT RESERVE OUT (5F)
- 163 16.13.1 Service Action
- 163 16.13.2 Type
- 164 16.13.3 Parameter list
- 165 16.13.4 Summary
- 167 16.14 PRE-FETCH (34)
- 168 16.15 READ (6) - (08)
- 169 16.16 READ (10) - (28)
- 171 16.17 READ (12) - (A8)
- 172 16.18 READ (16) - (88)
- 173 16.19 READ (32) - (7F/09)
- 175 16.20 READ BUFFER (3C)
- 176 16.20.1 Combined Header And Data (Mode 00000b)
- 176 16.20.2 Read Data (Mode 00010b)
- 177 16.20.3 Descriptor (Mode 00011b)
- 178 16.20.4 Read Data from Echo Buffer (Mode 01010b)
- 178 16.20.5 Echo Buffer Descriptor (Mode 01011b)
- 178 16.20.6 Expander Communications and Echo Buffer (Mode 11010b)
- 179 16.21 READ CAPACITY (10) - (25)
- 181 16.22 READ CAPACITY (16) (9E/10)
- 181 16.22.1 Returned Data Format
- 183 16.23 READ DEFECT DATA (37)
- 185 16.23.1 Defect List Header
- 185 16.23.2 Defect List Descriptor
- 185 16.23.3 Physical Sector Format (101b)
- 186 16.24 READ DEFECT DATA (B7)
- 186 16.24.1 Defect List Header
- 187 16.24.2 Defect List Descriptor
- 187 16.24.3 Physical Sector Format (101b)
- 188 16.25 READ LONG (3E)
- 189 16.26 REASSIGN BLOCKS (07)
- 191 16.27 RECEIVE DIAGNOSTICS RESULTS (1C)
- 191 16.27.1 Receive Diagnostic Results Page
- 192 16.27.2 Receive Diagnostic Results Page
- 194 16.28 RELEASE (17)
- 195 16.29 RELEASE (57)
- 196 16.30 REPORT DEVICE IDENTIFIER (A3/05)
- 198 16.31 REPORT LUNS (A0)
- 199 16.32 REPORT SUPPORTED OPERATION CODES (A3/0C)
- 200 16.32.1 All_commands parameter data format
- 201 16.32.2 One_command parameter data format
- 203 16.32.3 Command timeouts descriptor format
- 204 16.33 REPORT SUPPORTED TASK MANAGEMENT FUNCTIONS (A3/0D)
- 206 16.34 REQUEST SENSE (03)
- 207 16.35 RESERVE (16)
- 208 16.36 RESERVE (56)
- 209 16.37 REZERO UNIT (01)
- 210 16.38 SEEK (6) - (0B)
- 210 16.39 SEEK (10) - (2B)
- 211 16.40 SEND DIAGNOSTIC (1D)
- 213 16.40.1 Send Diagnostic Page
- 213 16.40.2 Send Diagnostic Page 3F
- 216 16.40.3 Send Diagnostic Page
- 218 16.41 SET DEVICE IDENTIFIER (A4/06)
- 219 16.42 START STOP UNIT (1B)
- 220 16.43 SYNCHRONIZE CACHE (10) - (35)
- 221 16.44 SYNCHRONIZE CACHE (16) - (91)
- 222 16.45 TEST UNIT READY (00)
- 223 16.46 VERIFY (2F)
- 225 16.47 VERIFY (12) - (AF)
- 226 16.48 VERIFY (16) - (8F)
- 227 16.49 VERIFY (32) - (7F/0A)
- 229 16.50 WRITE (6) - (0A)
- 230 16.51 WRITE (10) - (2A)
- 232 16.52 WRITE (12) - (AA)
- 233 16.53 WRITE (16) - (8A)
- 234 16.54 WRITE (32) - (7F/0B)
- 236 16.55 WRITE AND VERIFY (10) - (2E)
- 237 16.56 WRITE AND VERIFY (12) - (AE)
- 238 16.57 WRITE AND VERIFY (16) - (8E)
- 239 16.58 WRITE AND VERIFY (32) - (7F/0C)
- 240 16.59 WRITE BUFFER (3B)
- 240 16.59.1 Combined Header And Data (Mode 00000b)
- 241 16.59.2 Write Data (Mode 00010b)
- 241 16.59.3 Download Microcode (Mode 00100b)
- 242 16.59.4 Download Microcode and Save (Mode 00101b) -Single Binary File
- 242 16.59.5 Download Microcode and Save (Mode 00111b) - Multiple Binary Files
- 242 16.59.6 Write Data to Echo Buffer (Mode 01010b)
- 242 16.59.7 Enable Expander Communications Protocol (Mode 11010b)
- 243 16.60 WRITE LONG (3F)
- 245 16.61 WRITE SAME (41)
- 246 16.62 WRITE SAME (16) - (93)
- 247 16.63 WRITE SAME (32) - (7F/0D)
- 249 17.0 SCSI Status Byte
- 251 18.0 Additional information
- 251 18.1 SCSI Protocol
- 251 18.1.1 Priority of SCSI Status Byte Reporting
- 251 18.1.2 Invalid LUN Processing
- 252 18.1.3 Command Processing During Execution of Active I/O Process
- 253 18.1.4 Unit Attention Condition
- 255 18.1.5 Command Processing During Startup and Format Operations
- 255 18.1.6 Internal Error Condition
- 255 18.1.7 Deferred Error Condition
- 256 18.1.8 Degraded Mode
- 262 18.1.9 Command Processing while Reserved
- 262 18.2 Priority Commands
- 263 18.3 Command Queuing
- 263 18.3.1 Queue Depth
- 263 18.3.2 Queue Full Status
- 263 18.3.3 Termination of I/O Processes
- 263 18.4 Command Reordering
- 263 18.5 Concurrent I/O Process
- 263 18.6 Write Cache
- 264 18.7 Automatic Rewrite/Reallocate
- 264 18.8 Segmented Caching
- 264 18.8.1 Overview
- 264 18.8.2 Read Ahead
- 264 18.9 Multiple Initiator Systems
- 264 18.9.1 Sense Data
- 264 18.9.2 Mode Pages
- 264 18.10 Multiple Initiator Environment
- 264 18.10.1 Initiator Sense Data
- 264 18.10.2 Initiator Mode Select/Mode Sense Parameters
- 265 18.11 Reset
- 265 18.11.1 Reset Sources
- 265 18.11.2 Reset Actions
- 265 18.12 Diagnostics
- 265 18.12.1 Power on Diagnostics
- 266 18.12.2 Self-test via SEND DIAGNOSTIC Command
- 269 18.13 Idle Time Function
- 269 18.14 Command Time out Limits
- 269 18.14.1 Reassignment Time
- 269 18.14.2 Format Time
- 269 18.14.3 Start/Stop Unit Time
- 270 18.14.4 Medium Access Command Time
- 270 18.14.5 Time-out Limits for Other Commands
- 271 18.15 Recommended Initiator ERP
- 271 18.15.1 Drive Service Strategy
- 272 18.15.2 Recommendations for System Error Log
- 272 18.15.3 Data Recovery Procedure
- 272 18.15.4 Nondata Error Recovery Procedure
- 279 19.0 SCSI Sense Data
- 279 19.1 SCSI Sense Data Format
- 280 19.2 Sense Data Description
- 280 19.2.1 Valid (Bit 7 of byte 0)
- 280 19.2.2 Error Code (Bit 6 - 0 of byte 0)
- 280 19.2.3 ILI: Incorrect Length Indicator (Bit 5 of byte 2)
- 281 19.2.4 Sense Key (Bit 3 - 0 of byte 2)
- 282 19.2.5 Information Bytes (Byte 3 through 6)
- 282 19.2.6 Additional Sense Length (Byte 7)
- 282 19.2.7 Command Specific Information (Byte 8 through 11)
- 283 19.2.8 Additional Sense Code/Qualifier (Byte 12 and 13)
- 295 19.2.9 RU: Field Replaceable Unit (Byte 14)
- 295 19.2.10 Sense Key Specific (Byte 15 through 17)
- 299 19.2.11 Reserved (Byte 18 through 19)
- 299 19.2.12 Vendor unique error information (Byte 20 through 23)
- 299 19.2.13 Physical Error Record (Byte 24 thru 29)
- 299 19.2.14 Reserved (Byte 30 through 31)
- 301 20.0 Appendix. UEC list