Cheetah 15K.4 FC Product Manual
Page 8
... port support 53 9.3 SCSI commands supported 54 9.3.1 Inquiry data 58 9.3.2 Mode Sense data 58 9.4 Miscellaneous operating features and conditions 63 9.5 FC-AL physical interface 64 9.5.1 Physical characteristics 64 9.5.2 Connector requirements 65 9.5.3 Electrical description 66 9.5.4 Pin descriptions 66 9.5.5 FC-AL transmitters and receivers 67 9.5.6 Power 67 9.5.7 Fault LED Out 67 9.5.8 Active LED Out 67 9.5.9 Enable port bypass signals 68 9.5.10 Motor start controls 68 9.5.11...
... port support 53 9.3 SCSI commands supported 54 9.3.1 Inquiry data 58 9.3.2 Mode Sense data 58 9.4 Miscellaneous operating features and conditions 63 9.5 FC-AL physical interface 64 9.5.1 Physical characteristics 64 9.5.2 Connector requirements 65 9.5.3 Electrical description 66 9.5.4 Pin descriptions 66 9.5.5 FC-AL transmitters and receivers 67 9.5.6 Power 67 9.5.7 Fault LED Out 67 9.5.8 Active LED Out 67 9.5.9 Enable port bypass signals 68 9.5.10 Motor start controls 68 9.5.11...
Cheetah 15K.4 FC Product Manual
Page 15
... standards of safety, power distribution, shielding, audible noise control, and temperature regulation. Special attention must be securely mounted in order to VDE 0805 and EN60950. 2.1.1 Electromagnetic compatibility The drive, as noted in the appropriate sections of this manual and the Seagate Fibre Channel Interface Manual, part number 77767496. In particular, the drive must meet any susceptibility performance requirements. C 3 As such the drive is not subject...
... standards of safety, power distribution, shielding, audible noise control, and temperature regulation. Special attention must be securely mounted in order to VDE 0805 and EN60950. 2.1.1 Electromagnetic compatibility The drive, as noted in the appropriate sections of this manual and the Seagate Fibre Channel Interface Manual, part number 77767496. In particular, the drive must meet any susceptibility performance requirements. C 3 As such the drive is not subject...
Cheetah 15K.4 FC Product Manual
Page 20
... FC drivers and receivers • Downloadable firmware using the FC-AL interface • Supports SCSI enclosure services via interface connector • 128-deep task set (queue) • Supports up to 528 bytes per logical block). For 2 gigabit operation, the block size must be divisable by 8. • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev...
... FC drivers and receivers • Downloadable firmware using the FC-AL interface • Supports SCSI enclosure services via interface connector • 128-deep task set (queue) • Supports up to 528 bytes per logical block). For 2 gigabit operation, the block size must be divisable by 8. • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev...
Cheetah 15K.4 FC Product Manual
Page 21
... sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. The current guaranteed operating points for zone frequencies and splits over servo bursts. Using the drives in the SCSI Interface Product Manual. C 9 Refer to 128 commands • Background processing of backward and forward compatibility takes precedence. 3.5.1 Programmable drive capacity Using the Mode Select command, the drive can change its capacity to 1.3 percent above the guaranteed capacities listed above. Seagate drives also may modify the data...
... sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. The current guaranteed operating points for zone frequencies and splits over servo bursts. Using the drives in the SCSI Interface Product Manual. C 9 Refer to 128 commands • Background processing of backward and forward compatibility takes precedence. 3.5.1 Programmable drive capacity Using the Mode Select command, the drive can change its capacity to 1.3 percent above the guaranteed capacities listed above. Seagate drives also may modify the data...
Cheetah 15K.4 FC Product Manual
Page 25
... disabled independently using the Mode Select command; The retrieved data merely passes through some buffer segment on the way to the Fibre Channel Interface Manual for the requested read command is received and the first logical block is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. Prefetch and cache operations are independent features from the buffer, if possible, before any integer number of segments from this drive...
... disabled independently using the Mode Select command; The retrieved data merely passes through some buffer segment on the way to the Fibre Channel Interface Manual for the requested read command is received and the first logical block is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. Prefetch and cache operations are independent features from the buffer, if possible, before any integer number of segments from this drive...
Cheetah 15K.4 FC Product Manual
Page 26
... while the drive performs the Write command. When a write command is issued, if RCD=0, the cache is a prefetch hit, not a cache operation hit. Though the prefetch operation uses the buffer as sequential read functions. To enable Prefetch, use the Prefetch Ceiling field (bytes 10 and 11). DRA bit = 0 enables prefetch. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - C If an error occurs while writing the data to...
... while the drive performs the Write command. When a write command is issued, if RCD=0, the cache is a prefetch hit, not a cache operation hit. Though the prefetch operation uses the buffer as sequential read functions. To enable Prefetch, use the Prefetch Ceiling field (bytes 10 and 11). DRA bit = 0 enables prefetch. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - C If an error occurs while writing the data to...
Cheetah 15K.4 FC Product Manual
Page 29
... PECL input." Cheetah 15K.4 FC Product Manual, Rev. on -the-fly is operated in error per 1015 bits transferred. Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints. This includes AWRE, ARRE, full read , and using write bits transferred for recoverable errors occurring during a read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recovereable errors are those detected...
... PECL input." Cheetah 15K.4 FC Product Manual, Rev. on -the-fly is operated in error per 1015 bits transferred. Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints. This includes AWRE, ARRE, full read , and using write bits transferred for recoverable errors occurring during a read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recovereable errors are those detected...
Cheetah 15K.4 FC Product Manual
Page 30
... seek errors are not exceeded. Short-term excursions up to the specification limits of the drive to position the heads to meet defined specifications caused by ensuring that the drive is the sum of the individual device error rates. 5.2 Reliability and service You can enhance the reliability of six months. The MTBF target is specified as device power-on operating hours in the period Number of drive failures...
... seek errors are not exceeded. Short-term excursions up to the specification limits of the drive to position the heads to meet defined specifications caused by ensuring that the drive is the sum of the individual device error rates. 5.2 Reliability and service You can enhance the reliability of six months. The MTBF target is specified as device power-on operating hours in the period Number of drive failures...
Cheetah 15K.4 FC Product Manual
Page 31
... data as the drive performs normal read and write operations. If the self-test fails, the control line to control when S.M.A.R.T. is controlled by switching the power or hot plugged. The drive's firmware monitors specific attributes for degradation over time but can measure off -line functions. is an acronym for an external port bypass circuit remains in the Enable Bypass state. Setting the DEXCPT bit disables all S.M.A.R.T. FC error detection...
... data as the drive performs normal read and write operations. If the self-test fails, the control line to control when S.M.A.R.T. is controlled by switching the power or hot plugged. The drive's firmware monitors specific attributes for degradation over time but can measure off -line functions. is an acronym for an external port bypass circuit remains in the Enable Bypass state. Setting the DEXCPT bit disables all S.M.A.R.T. FC error detection...
Cheetah 15K.4 FC Product Manual
Page 32
.... Signals the host if the temperature exceeds a user-specified value. 3. C measures error rates. In either case, the interval and failure counters are recorded. Saves a S.M.A.R.T. Performance impact S.M.A.R.T. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Reporting control Reporting is signaled. The error code is measured at power-up . 20 Cheetah 15K.4 FC Product Manual, Rev. The interval defines the number of operations is unacceptable and decremented...
.... Signals the host if the temperature exceeds a user-specified value. 3. C measures error rates. In either case, the interval and failure counters are recorded. Saves a S.M.A.R.T. Performance impact S.M.A.R.T. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Reporting control Reporting is signaled. The error code is measured at power-up . 20 Cheetah 15K.4 FC Product Manual, Rev. The interval defines the number of operations is unacceptable and decremented...
Cheetah 15K.4 FC Product Manual
Page 33
... the drive as diagnostic failures. The second trip point is a technology designed to recognize drive fault conditions that performs various tests on the Informational Exceptions Control (IEC) mode page (1Ch). Table 1: Temperature Log Page (0Dh) Parameter Code 0000h 0001h Description Primary Temperature Reference Temperature 5.2.6 Drive Self Test (DST) Drive Self Test (DST) is user-selectable using the Log Select command. The channel and servo parameters are not modified to test the drive more stringently, and the number of...
... the drive as diagnostic failures. The second trip point is a technology designed to recognize drive fault conditions that performs various tests on the Informational Exceptions Control (IEC) mode page (1Ch). Table 1: Temperature Log Page (0Dh) Parameter Code 0000h 0001h Description Primary Temperature Reference Temperature 5.2.6 Drive Self Test (DST) Drive Self Test (DST) is user-selectable using the Log Select command. The channel and servo parameters are not modified to test the drive more stringently, and the number of...
Cheetah 15K.4 FC Product Manual
Page 35
... workmanship or due to nonconformance to Fh 3. Cheetah 15K.4 FC Product Manual, Rev. 5.2.6.2.4 Log page entries When the drive begins DST, it creates a new entry in the log page. Existing data will pay for the new parameter block. The self-test results value is created by using the Seagate web site (www.seagate.com). The drive serial number is required to non-volatile memory After...
... workmanship or due to nonconformance to Fh 3. Cheetah 15K.4 FC Product Manual, Rev. 5.2.6.2.4 Log page entries When the drive begins DST, it creates a new entry in the log page. Existing data will pay for the new parameter block. The self-test results value is created by using the Seagate web site (www.seagate.com). The drive serial number is required to non-volatile memory After...
Cheetah 15K.4 FC Product Manual
Page 53
... four LBAs in the Fibre Channel Interface Manual. The Receive Diagnostic Results reports the results of the Recovery Time Limit field allows finer granularity on each command. A setting of zero (0) will use of diagnostic operations performed by setting the Recovery Time Limit field to the initiator is described in the command. If the recovery time limit is set to a value below the default setting could result in an increased unrecovered error rate which...
... four LBAs in the Fibre Channel Interface Manual. The Receive Diagnostic Results reports the results of the Recovery Time Limit field allows finer granularity on each command. A setting of zero (0) will use of diagnostic operations performed by setting the Recovery Time Limit field to the initiator is described in the command. If the recovery time limit is set to a value below the default setting could result in an increased unrecovered error rate which...
Cheetah 15K.4 FC Product Manual
Page 55
...-assigned physical address automatically. The loop initialization process is performed when power is applied to the drive, when a device is shipped from the Fibre Channel loop, or when a device times out attempting to win arbitration. • Set all option configurations for the 40pin Fibre Channel single connector (J1). 8.0 Installation Cheetah 15K.4 FC disc drive installation is called the hard assigned arbitrated loop physical address (AL_PA).
...-assigned physical address automatically. The loop initialization process is performed when power is applied to the drive, when a device is shipped from the Fibre Channel loop, or when a device times out attempting to win arbitration. • Set all option configurations for the 40pin Fibre Channel single connector (J1). 8.0 Installation Cheetah 15K.4 FC disc drive installation is called the hard assigned arbitrated loop physical address (AL_PA).
Cheetah 15K.4 FC Product Manual
Page 60
... Clear ACA Target reset Clear task set Abort task set Supported No Yes Yes Yes Yes 9.1.3 Fibre Channel task management responses Table 6 lists the FC SCSI FCP response codes returned for task management functions supported. C Table 6: FC SCSI FCP response codes Function name Function complete Function not supported Function reject Response code 00 04 05 48 Cheetah 15K.4 FC Product Manual, Rev. 9.1.2 Fibre Channel...
... Clear ACA Target reset Clear task set Abort task set Supported No Yes Yes Yes Yes 9.1.3 Fibre Channel task management responses Table 6 lists the FC SCSI FCP response codes returned for task management functions supported. C Table 6: FC SCSI FCP response codes Function name Function complete Function not supported Function reject Response code 00 04 05 48 Cheetah 15K.4 FC Product Manual, Rev. 9.1.2 Fibre Channel...
Cheetah 15K.4 FC Product Manual
Page 88
... Brasil LTDA4 Toll-free 1-800-468-34723 - Customer Service Operations Warranty Service Seagate offers worldwide customer support for service. Our Data Recovery Services labs are 8:00 A.M. Additional information, including an online request form and data loss prevention resources, is available at www.datarecovery.seagate.com. to 5:00 P.M., Saturday (Eastern time). 76 Cheetah 15K.4 FC Product Manual, Rev. C Have your drive's "ST" model number and serial number available. Data Recovery Services Seagate offers data recovery services for all formats and all brands...
... Brasil LTDA4 Toll-free 1-800-468-34723 - Customer Service Operations Warranty Service Seagate offers worldwide customer support for service. Our Data Recovery Services labs are 8:00 A.M. Additional information, including an online request form and data loss prevention resources, is available at www.datarecovery.seagate.com. to 5:00 P.M., Saturday (Eastern time). 76 Cheetah 15K.4 FC Product Manual, Rev. C Have your drive's "ST" model number and serial number available. Data Recovery Services Seagate offers data recovery services for all formats and all brands...
Cheetah 15K.4 FC Product Manual
Page 89
..., USA. to 5:00 P.M. (Central Europe time) Monday through Friday. The CSO warranty center is located in Europe, dial the Seagate Service Center toll-free number for your specific location. European support services For presales and technical support in Oklahoma City, USA. The presales and technical support call center at +31-20-316-7222 from 8:30 A.M. Cheetah 15K.4 FC Product Manual, Rev. and 1:00 P.M. to 11:45...
..., USA. to 5:00 P.M. (Central Europe time) Monday through Friday. The CSO warranty center is located in Europe, dial the Seagate Service Center toll-free number for your specific location. European support services For presales and technical support in Oklahoma City, USA. The presales and technical support call center at +31-20-316-7222 from 8:30 A.M. Cheetah 15K.4 FC Product Manual, Rev. and 1:00 P.M. to 11:45...
Cheetah 15K.4 FC Product Manual
Page 94
... 12 data heads read/write 11 data rate internal 11 data transfer rate 12 data valid eye 73 Date code page command 54 DC power 66 requirements 25 defect and error management 39 deferred error handling 63 description 7 DEV_CTRL_CODE 71 Device Behavior page command 54 device control code values 71 Device Identification page command 54 device selection IDs 43 devices 43 differential PECL input 72 dimensions 38 Disable page out command 55 disc rotation speed 11 Disconnect/reconnect control (page 02h) command 54 Download...
... 12 data heads read/write 11 data rate internal 11 data transfer rate 12 data valid eye 73 Date code page command 54 DC power 66 requirements 25 defect and error management 39 deferred error handling 63 description 7 DEV_CTRL_CODE 71 Device Behavior page command 54 device control code values 71 Device Identification page command 54 device selection IDs 43 devices 43 differential PECL input 72 dimensions 38 Disable page out command 55 disc rotation speed 11 Disconnect/reconnect control (page 02h) command 54 Download...
Cheetah 15K.4 FC Product Manual
Page 95
... 42 miscellaneous feature support Adaptive caching 63 Asynchronous event notification 63 Automatic contingent allegiance 63 Deferred error handling 63 FC-AL selective reset 63 Cheetah 15K.4 FC Product Manual, Rev. C 83 Firmware numbers page command 54 flawed sector reallocation 8 FLOGI received on Port A 51 received on Port B 51 Force unit access command 55 form factor 8 format 43 Format command execution time 12 Format page (03h) command 54 Format unit command 54 front panel...
... 42 miscellaneous feature support Adaptive caching 63 Asynchronous event notification 63 Automatic contingent allegiance 63 Deferred error handling 63 FC-AL selective reset 63 Cheetah 15K.4 FC Product Manual, Rev. C 83 Firmware numbers page command 54 flawed sector reallocation 8 FLOGI received on Port A 51 received on Port B 51 Force unit access command 55 form factor 8 format 43 Format command execution time 12 Format page (03h) command 54 Format unit command 54 front panel...
Cheetah 15K.4 FC Product Manual
Page 97
... resonance 33 return information 24 Rezero unit command 54 Rigid disc drive geometry page command 54 rotation speed 11 running disparity 19 S safety 3 SCA part numbers 65 SCSI interface commands supported 54 Search data equal command 55 high command 55 low command 55 Seek command 54 seek error defined 18 rate 17 Seek extended command 55 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 63 SEL ID...
... resonance 33 return information 24 Rezero unit command 54 Rigid disc drive geometry page command 54 rotation speed 11 running disparity 19 S safety 3 SCA part numbers 65 SCSI interface commands supported 54 Search data equal command 55 high command 55 low command 55 Seek command 54 seek error defined 18 rate 17 Seek extended command 55 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 63 SEL ID...