Specifications
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...) -Single Binary File 202 17.45.5 Download Microprocessor Microcode and Save (Mode 00111b) - Multiple Binary Files...203 17.45.6 Write Data to Echo Buffer (Mode 01010b 203 17.45.7 Enable Expander Communications Protocol (Mode 11010b 203 17.46 WRITE LONG (3F)...204 17.47...17.48 WRITE SAME (16) - (93 206 18.0 SCSI Status Byte ...207 19.0 SCSI message system ...209 19.1 Supported messages ...210 19.1.1 Task Complete (00 210 19.1.2 Synchronous Data Transfer Request (01, 03, 01h 211 19.1.3 Wide Data Transfer Request (01, 02, 03h 215 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification
...) -Single Binary File 202 17.45.5 Download Microprocessor Microcode and Save (Mode 00111b) - Multiple Binary Files...203 17.45.6 Write Data to Echo Buffer (Mode 01010b 203 17.45.7 Enable Expander Communications Protocol (Mode 11010b 203 17.46 WRITE LONG (3F)...204 17.47...17.48 WRITE SAME (16) - (93 206 18.0 SCSI Status Byte ...207 19.0 SCSI message system ...209 19.1 Supported messages ...210 19.1.1 Task Complete (00 210 19.1.2 Synchronous Data Transfer Request (01, 03, 01h 211 19.1.3 Wide Data Transfer Request (01, 02, 03h 215 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification
Specifications
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... 251 20.20 Recommended Initiator ERP 252 20.20.1 Drive Service Strategy 252 20.20.2 Recommendations for System Error Log 253 20.20.3 Data Recovery Procedure 253 20.20.4 Nondata Error Recovery Procedure 255 21.0 SCSI Sense Data...261 21.1 SCSI Sense Data Format 261 21.2 Sense Data Description 262 21.2.1 Valid (Bit 7 of byte 0 262... Specific (Byte 15 through 17 281 21.2.11 Reserved (Byte 18 through 19 283 21.2.12 Vendor unique error information (Byte 20 through 23 283 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification
... 251 20.20 Recommended Initiator ERP 252 20.20.1 Drive Service Strategy 252 20.20.2 Recommendations for System Error Log 253 20.20.3 Data Recovery Procedure 253 20.20.4 Nondata Error Recovery Procedure 255 21.0 SCSI Sense Data...261 21.1 SCSI Sense Data Format 261 21.2 Sense Data Description 262 21.2.1 Valid (Bit 7 of byte 0 262... Specific (Byte 15 through 17 281 21.2.11 Reserved (Byte 18 through 19 283 21.2.12 Vendor unique error information (Byte 20 through 23 283 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification
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... performance of the actual system. There are other parameters that contribute to define the bare drive characteristics, not system throughput, which depends on the system and the application. Latency •Data transfer speed •Buffering operation (read ahead/write cache) Note: All the above parameters contribute to drive performance. Seek time - Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 10
... performance of the actual system. There are other parameters that contribute to define the bare drive characteristics, not system throughput, which depends on the system and the application. Latency •Data transfer speed •Buffering operation (read ahead/write cache) Note: All the above parameters contribute to drive performance. Seek time - Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 10
Specifications
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... Table 12: Simple sequential access performance (sector size 512 Byte case) Operation Sequential Read / Write Zone 0 0 0 Model 147 GB 73 GB 36 GB Typical (ms) Read Write 186 187 185 185 185 185 Maximum (ms) Read Write 186 187 186 185 185 185 Sequential Read...) accessed by 100 % and 110% of data. T = A + B + C + 16,777,216/D Where: T = Calculated time A = Command overhead (no cache hit) B = Average seek time C = Average latency D = Sustained disk-buffer transfer rate Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 14 The above table gives the time required...
... Table 12: Simple sequential access performance (sector size 512 Byte case) Operation Sequential Read / Write Zone 0 0 0 Model 147 GB 73 GB 36 GB Typical (ms) Read Write 186 187 185 185 185 185 Maximum (ms) Read Write 186 187 186 185 185 185 Sequential Read...) accessed by 100 % and 110% of data. T = A + B + C + 16,777,216/D Where: T = Calculated time A = Command overhead (no cache hit) B = Average seek time C = Average latency D = Sustained disk-buffer transfer rate Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 14 The above table gives the time required...
Specifications
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... of a SYNCHRONIZE CACHE (35h) command 5.1 Equipment Status Equipment status is available to the host system as non-recoverable errors. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 17 Errors that are reported to the host system any time the drive is enabled, the data remaining in the write cache will be maintained until the following conditions are satisfied...
... of a SYNCHRONIZE CACHE (35h) command 5.1 Equipment Status Equipment status is available to the host system as non-recoverable errors. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 17 Errors that are reported to the host system any time the drive is enabled, the data remaining in the write cache will be maintained until the following conditions are satisfied...
Specifications
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...six directions). Do not cover the breather hole. 11.7.0.1 Breather hole location Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 48 To avoid performance degradation, mount the drive in the system securely enough to protect the disk data during shipping, moving, or storage. At power down, the heads are... be kept clear and unobstructed at seek operation or spindle rotation, using appropriate screws or equivalent mounting hardware. Consult with the drive mounted to a table using the bottom four screws. 11.6 Heads unload and actuator lock Heads are automatically unloaded from the ...
...six directions). Do not cover the breather hole. 11.7.0.1 Breather hole location Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 48 To avoid performance degradation, mount the drive in the system securely enough to protect the disk data during shipping, moving, or storage. At power down, the heads are... be kept clear and unobstructed at seek operation or spindle rotation, using appropriate screws or equivalent mounting hardware. Consult with the drive mounted to a table using the bottom four screws. 11.6 Heads unload and actuator lock Heads are automatically unloaded from the ...
Specifications
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...of the three mutually perpendicular axes. The assessments are applied to the drive, ten pulses for each direction and for all three mutually perpendicular Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 49 No Data Loss: 1.2 G RMS, 5-500 Hz, flat PSD profile for ...each of the three mutually perpendicular axes. 12.0 Vibration and shock All vibration and shock measurements in this section are made with a drive that has no mounting attachments for the systems...
...of the three mutually perpendicular axes. The assessments are applied to the drive, ten pulses for each direction and for all three mutually perpendicular Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 49 No Data Loss: 1.2 G RMS, 5-500 Hz, flat PSD profile for ...each of the three mutually perpendicular axes. 12.0 Vibration and shock All vibration and shock measurements in this section are made with a drive that has no mounting attachments for the systems...
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...available in a multi-Initiator system. The sense data shall be cleared upon receiving a subsequent command including REQUEST SENSE to the same I_T_L nexus. If REQUEST SENSE command with Check Condition status. Separate sense data is received, the drive returns Good status and reports...information (e.g. Hitachi Confidential Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 180 The contents of the sense data are defined in the allocation length or 32 bytes, whichever is no sense data available to transfer sense data. The sense data shall be preserved by the drive for ...
...available in a multi-Initiator system. The sense data shall be cleared upon receiving a subsequent command including REQUEST SENSE to the same I_T_L nexus. If REQUEST SENSE command with Check Condition status. Separate sense data is received, the drive returns Good status and reports...information (e.g. Hitachi Confidential Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 180 The contents of the sense data are defined in the allocation length or 32 bytes, whichever is no sense data available to transfer sense data. The sense data shall be preserved by the drive for ...
Specifications
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... Identifier length of zero indicates that no data is 512 bytes. Table 152: SET DEVICE IDENTIFIER, Parameter List Bit Byte 7 6 5 4 3 2 1 0 0-n Identifier The IDENTIFIER field is transferred from the host system to the value received in subsequent REPORT ...= 0 FLAG LINK The SET DEVICE IDENTIFIER command requests that the device identifier information be set to the Target. Hitachi Confidential Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 190 On successful completion of a SET DEVICE IDENTIFIER command a unit attention is generated for this field is ...
... Identifier length of zero indicates that no data is 512 bytes. Table 152: SET DEVICE IDENTIFIER, Parameter List Bit Byte 7 6 5 4 3 2 1 0 0-n Identifier The IDENTIFIER field is transferred from the host system to the value received in subsequent REPORT ...= 0 FLAG LINK The SET DEVICE IDENTIFIER command requests that the device identifier information be set to the Target. Hitachi Confidential Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 190 On successful completion of a SET DEVICE IDENTIFIER command a unit attention is generated for this field is ...
Specifications
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...of it. 17.45.4 Download Microcode and Save (Mode 00101b) -Single Binary File In this mode the data is transferred to the drive to save into the System reserved area on the function of the microcode image is being downloaded. If an invalid value is specified, the... Buffer IDs are supported by request of Vendor Unique Reserved Area Any unsupported value for recovery. Hitachi Confidential Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 202 Upon the completion of the data set the sense key to Illegal Request and additional sense code to Illegal Field in one which...
...of it. 17.45.4 Download Microcode and Save (Mode 00101b) -Single Binary File In this mode the data is transferred to the drive to save into the System reserved area on the function of the microcode image is being downloaded. If an invalid value is specified, the... Buffer IDs are supported by request of Vendor Unique Reserved Area Any unsupported value for recovery. Hitachi Confidential Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 202 Upon the completion of the data set the sense key to Illegal Request and additional sense code to Illegal Field in one which...
Specifications
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... Initiator Selection For single initiator systems it will be stored as Read/ Write/Read-Ahead buffer. 20.8.2 Read Ahead The Read Ahead function consists of the requested LBA is received • The consecutive LBA of reading data that issued the command. As a consequence the Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 244 Each area is...
... Initiator Selection For single initiator systems it will be stored as Read/ Write/Read-Ahead buffer. 20.8.2 Read Ahead The Read Ahead function consists of the requested LBA is received • The consecutive LBA of reading data that issued the command. As a consequence the Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 244 Each area is...
Specifications
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Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 250 The larger system time-out limit allows the system to take advantage of the extensive ERP/DRP that the drive may attempt in order to complete and place the drive in a "ready for the purpose of failure analysis. The following times are ... time-out of 30 seconds to complete a "Start Stop Unit" command (with Immed bit = 0). 20.18 Idle Time Function The drive periodically saves data in logs and PFA counters in the reserved area of 5 seconds to complete a "Reassign Blocks" command. 20.19.2 Format Time Approximately ...
Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 250 The larger system time-out limit allows the system to take advantage of the extensive ERP/DRP that the drive may attempt in order to complete and place the drive in a "ready for the purpose of failure analysis. The following times are ... time-out of 30 seconds to complete a "Start Stop Unit" command (with Immed bit = 0). 20.18 Idle Time Function The drive periodically saves data in logs and PFA counters in the reserved area of 5 seconds to complete a "Reassign Blocks" command. 20.19.2 Format Time Approximately ...
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... are as possible. The first priority is to replace the entire drive to make the system operational with the error (that the system is expected to customer service Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 252 System architecture should be the first priority in the sense data. Data Synchronization mark error • 17 - Write error • 11 - Recovered read...
... are as possible. The first priority is to replace the entire drive to make the system operational with the error (that the system is expected to customer service Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 252 System architecture should be the first priority in the sense data. Data Synchronization mark error • 17 - Write error • 11 - Recovered read...
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...criteria are removed from use during SAT), reassigning defective sectors should be infrequent. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 253 It is also wrong for the system to assume that every data error that soft error rates are not predictable. In both cases, the error... random faults that will have a direct influence on page 114) set active allows the Drive to relocate recovered read data errors. 20.20.2 Recommendations for System Error Log The system error log should contain information about each error occurrence should be logged. • Valid ...
...criteria are removed from use during SAT), reassigning defective sectors should be infrequent. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 253 It is also wrong for the system to assume that every data error that soft error rates are not predictable. In both cases, the error... random faults that will have a direct influence on page 114) set active allows the Drive to relocate recovered read data errors. 20.20.2 Recommendations for System Error Log The system error log should contain information about each error occurrence should be logged. • Valid ...
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... completes unsuccessfully (Check Condition Status), follow the procedure in the system error log. - Auto Reallocated 1 18 07 Recovered Data with ECC - Recommend Reassignment 1 18 05 Recovered Data with ECC - The initiator should log these errors in the system error log. Data Rewritten Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 254 Reassign the LBA using the Reassign Blocks (07...
... completes unsuccessfully (Check Condition Status), follow the procedure in the system error log. - Auto Reallocated 1 18 07 Recovered Data with ECC - Recommend Reassignment 1 18 05 Recovered Data with ECC - The initiator should log these errors in the system error log. Data Rewritten Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 254 Reassign the LBA using the Reassign Blocks (07...
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...by service personnel. 20.20.4.1 Drive Busy The Drive is no outside cause (e.g., power supply) for the failure, then retry the failing command. These recovery procedures assume the initiator practices data back-up and logs errors at the system level for interrogation by issuing Test ..., add this LBA to be defective. The initiator options for non-data errors are limited to not have been successfully reassigned and then retry the Reassign Blocks command. a. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 255 Otherwise return to normal processing. • If the Test...
...by service personnel. 20.20.4.1 Drive Busy The Drive is no outside cause (e.g., power supply) for the failure, then retry the failing command. These recovery procedures assume the initiator practices data back-up and logs errors at the system level for interrogation by issuing Test ..., add this LBA to be defective. The initiator options for non-data errors are limited to not have been successfully reassigned and then retry the Reassign Blocks command. a. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification 255 Otherwise return to normal processing. • If the Test...
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...S Safety 55 SCSI bus connector 22 SCSI Command Set 59 SCSI Control Byte 61 SCSI Message System 209 SCSI Protocol 227 SCSI Sense Data 261 SCSI Sense Data Format 261 SCSI Status Byte 207 SCSI Status Byte Reporting 227 Sectors per Track 122 SEEK (...Data Description 262 Sense Key (Bit 3 - 0 of byte 2 263 Service Action 143, 148 Shipped format (Plist 19 Shipping conditions 31 Single Initiator Selection 244 Size Enable 125 Sound power levels 51 Spindle stop time 13 START STOP UNIT (1B 191 Start/stop cycles 41 Storage requirements 32 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive...
...S Safety 55 SCSI bus connector 22 SCSI Command Set 59 SCSI Control Byte 61 SCSI Message System 209 SCSI Protocol 227 SCSI Sense Data 261 SCSI Sense Data Format 261 SCSI Status Byte 207 SCSI Status Byte Reporting 227 Sectors per Track 122 SEEK (...Data Description 262 Sense Key (Bit 3 - 0 of byte 2 263 Service Action 143, 148 Shipped format (Plist 19 Shipping conditions 31 Single Initiator Selection 244 Size Enable 125 Sound power levels 51 Spindle stop time 13 START STOP UNIT (1B 191 Start/stop cycles 41 Storage requirements 32 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive...