Cheetah 15K.4 FC Product Manual
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... 3.3 Performance 9 3.4 Reliability 9 3.5 Formatted capacities 9 3.5.1 Programmable drive capacity 9 3.6 Factory-installed accessories 10 3.7 Factory-installed options 10 3.8 User-installed accessories 10 4.0 Performance characteristics 11 4.1 Internal drive characteristics 11 4.2 Seek performance characteristics 11 4.2.1 Access time 11 4.2.2 ...time between failure (MTBF 18 5.2.2 Preventive maintenance 18 5.2.3 Hot plugging the drive 19 5.2.4 S.M.A.R.T 19 5.2.5 Thermal monitor 20 5.2.6 Drive Self Test (DST 21 5.2.7 Product warranty 23 6.0 Physical/electrical specifications 25...
... 3.3 Performance 9 3.4 Reliability 9 3.5 Formatted capacities 9 3.5.1 Programmable drive capacity 9 3.6 Factory-installed accessories 10 3.7 Factory-installed options 10 3.8 User-installed accessories 10 4.0 Performance characteristics 11 4.1 Internal drive characteristics 11 4.2 Seek performance characteristics 11 4.2.1 Access time 11 4.2.2 ...time between failure (MTBF 18 5.2.2 Preventive maintenance 18 5.2.3 Hot plugging the drive 19 5.2.4 S.M.A.R.T 19 5.2.5 Thermal monitor 20 5.2.6 Drive Self Test (DST 21 5.2.7 Product warranty 23 6.0 Physical/electrical specifications 25...
Cheetah 15K.4 FC Product Manual
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... 33 6.4.4 Shock and vibration 33 6.4.5 Air cleanliness 36 6.4.6 Corrosive environment 36 6.4.7 Acoustics 37 6.4.8 Electromagnetic susceptibility 37 6.5 Mechanical specifications 38 7.0 Defect and error management 39 7.1 Drive internal defects/errors 39 7.2 Drive error recovery procedures 39 7.3 FC-AL system errors 41 7.4 Background Media Scan 41 7.4.1 Media Pre-Scan 42 8.0 Installation 43... 67 9.5.9 Enable port bypass signals 68 9.5.10 Motor start controls 68 9.5.11 SEL_6 through SEL_0 ID lines 68 9.5.12 Device control codes 71 ii Cheetah 15K.4 FC Product Manual, Rev. C
... 33 6.4.4 Shock and vibration 33 6.4.5 Air cleanliness 36 6.4.6 Corrosive environment 36 6.4.7 Acoustics 37 6.4.8 Electromagnetic susceptibility 37 6.5 Mechanical specifications 38 7.0 Defect and error management 39 7.1 Drive internal defects/errors 39 7.2 Drive error recovery procedures 39 7.3 FC-AL system errors 41 7.4 Background Media Scan 41 7.4.1 Media Pre-Scan 42 8.0 Installation 43... 67 9.5.9 Enable port bypass signals 68 9.5.10 Motor start controls 68 9.5.11 SEL_6 through SEL_0 ID lines 68 9.5.12 Device control codes 71 ii Cheetah 15K.4 FC Product Manual, Rev. C
Cheetah 15K.4 FC Product Manual
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... 4. Figure 21. Figure 11. Figure 7. Cheetah 15K.4 FC family disc drive 1 Typical ST3146854FC drive, 2 Gbit, +12V current profile 27 Typical ST3146854FC drive, 2 Gbit, +5V current profile 27 Typical ST373454FC drive +12V current profile 28 Typical ST373454FC drive +5V current profile 28 Typical ST336754FC drive +12V current profile 29 Typical ST336754FC drive +5V current profile 29 ST3146854FC DC current and power vs...
... 4. Figure 21. Figure 11. Figure 7. Cheetah 15K.4 FC family disc drive 1 Typical ST3146854FC drive, 2 Gbit, +12V current profile 27 Typical ST3146854FC drive, 2 Gbit, +5V current profile 27 Typical ST373454FC drive +12V current profile 28 Typical ST373454FC drive +5V current profile 28 Typical ST336754FC drive +12V current profile 29 Typical ST336754FC drive +5V current profile 29 ST3146854FC DC current and power vs...
Cheetah 15K.4 FC Product Manual
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C 1 Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® 15K.4 FC (Fibre Channel) disc drives. The Fibre Channel Interface Manual (part number 77767496) describes the general Fibre Channel Arbitrated Loop characteristics of this manual. Figure 1. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifications to the extent described in this and other Seagate Fibre Channel drives.
C 1 Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® 15K.4 FC (Fibre Channel) disc drives. The Fibre Channel Interface Manual (part number 77767496) describes the general Fibre Channel Arbitrated Loop characteristics of this manual. Figure 1. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifications to the extent described in this and other Seagate Fibre Channel drives.
Cheetah 15K.4 FC Product Manual
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Mounting by bottom holes must meet any susceptibility performance requirements. The drive depends upon its host equipment to provide adequate power and environment in the appropriate sections of Section 8.5. 2.1 Standards The Cheetah 15K.4 FC family complies with Seagate standards as noted in order to achieve optimum performance and compliance with the shields grounded to...
Mounting by bottom holes must meet any susceptibility performance requirements. The drive depends upon its host equipment to provide adequate power and environment in the appropriate sections of Section 8.5. 2.1 Standards The Cheetah 15K.4 FC family complies with Seagate standards as noted in order to achieve optimum performance and compliance with the shields grounded to...
Cheetah 15K.4 FC Product Manual
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... 1992 and Directive 93/68/EEC of Standards, Metrology, and Inspection (BSMI). 4 Cheetah 15K.4 FC Product Manual, Rev. Korean MIC If this model has the Chinese National... 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Korea. C The drive was tested in a representative system for their product. The computer manufacturer or system ...compliance and provide the appropriate marking for typical applications. 2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards, we cannot guarantee ...
... 1992 and Directive 93/68/EEC of Standards, Metrology, and Inspection (BSMI). 4 Cheetah 15K.4 FC Product Manual, Rev. Korean MIC If this model has the Chinese National... 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Korea. C The drive was tested in a representative system for their product. The computer manufacturer or system ...compliance and provide the appropriate marking for typical applications. 2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards, we cannot guarantee ...
Cheetah 15K.4 FC Product Manual
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2.2 Reference documents Cheetah 15K.4 FC Installation Guide Seagate part number: 100220460 Fibre Channel Interface Manual Seagate part number: 77767496 ANSI Fibre Channel Documents X3.230-1994 X3.297.1997 X3.303.1998 X3.272-1996 X3.269...SCSI-3) Architecture Model NCITS 305-199X (SCSI-3) Enclosure Services Specification for Acoustic Test Requirement and Procedures Seagate part number: 30553-001 Package Test Specification Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document and any referenced ...
2.2 Reference documents Cheetah 15K.4 FC Installation Guide Seagate part number: 100220460 Fibre Channel Interface Manual Seagate part number: 77767496 ANSI Fibre Channel Documents X3.230-1994 X3.297.1997 X3.303.1998 X3.272-1996 X3.269...SCSI-3) Architecture Model NCITS 305-199X (SCSI-3) Enclosure Services Specification for Acoustic Test Requirement and Procedures Seagate part number: 30553-001 Package Test Specification Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document and any referenced ...
Cheetah 15K.4 FC Product Manual
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...level 2 conformance (highest level) with a low-inertia, balanced, patented, straight arm design that results from the drive. Cheetah 15K.4 FC drives are classified as this drive. The heads automatically go to the landing zone when power is applied to eliminate the possibility of this requires special... technology, and a Fibre Channel interface to 200 Mbytes per second and 400 Mbytes per second in dual-loop configurations. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Protocol as described in the ANSI specifications, this...
...level 2 conformance (highest level) with a low-inertia, balanced, patented, straight arm design that results from the drive. Cheetah 15K.4 FC drives are classified as this drive. The heads automatically go to the landing zone when power is applied to eliminate the possibility of this requires special... technology, and a Fibre Channel interface to 200 Mbytes per second and 400 Mbytes per second in dual-loop configurations. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Protocol as described in the ANSI specifications, this...
Cheetah 15K.4 FC Product Manual
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...Downloadable firmware using the FC-AL interface • Supports SCSI enclosure services via interface connector • 128-deep task set on the drive. • Supports SCSI Enclosure Services through interface com- For 2 gigabit operation, the block size must be divisable by 8. •...port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev. C 3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface.
...Downloadable firmware using the FC-AL interface • Supports SCSI enclosure services via interface connector • 128-deep task set on the drive. • Supports SCSI Enclosure Services through interface com- For 2 gigabit operation, the block size must be divisable by 8. •...port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev. C 3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface.
Cheetah 15K.4 FC Product Manual
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...41B8C00 4194B80 ST373454FC Decimal 143,374,744 141,025,384 140,395,092 139,463,602 137,577,184 Hex 88BB998 867E068 85E4254 8500BB2 83342E0 ST3146854FC Decimal 286,749,488 282,050,768 280,790,184 279,041,740 275,154,368 Hex 11177330 10CFC0D0 10BC84A8 10A1D6CC 106685C0 2. We ...may be used at the maximum available capacity at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. A value of zero in one of blocks field. Refer to something less than those listed. Seagate designs specify capacity points at a given sector size, but the user must determine...
...41B8C00 4194B80 ST373454FC Decimal 143,374,744 141,025,384 140,395,092 139,463,602 137,577,184 Hex 88BB998 867E068 85E4254 8500BB2 83342E0 ST3146854FC Decimal 286,749,488 282,050,768 280,790,184 279,041,740 275,154,368 Hex 11177330 10CFC0D0 10BC84A8 10A1D6CC 106685C0 2. We ...may be used at the maximum available capacity at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. A value of zero in one of blocks field. Refer to something less than those listed. Seagate designs specify capacity points at a given sector size, but the user must determine...
Cheetah 15K.4 FC Product Manual
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The drive is normally shipped in bulk packaging to allow cable connections for two FC ports and DC power. • Single-unit shipping pack. 10 Cheetah 15K.4 FC Product Manual, Rev. All kits may be installed in the field. • Evaluation kit, part number ...73473641. Users planning single unit distribution should specify this option. • The Cheetah 15K.4 FC Installation Guide, part number 100220460, is usually included with each standard OEM drive shipped, but extra copies may be ordered. 3.8 User-installed accessories The following items which are ...
The drive is normally shipped in bulk packaging to allow cable connections for two FC ports and DC power. • Single-unit shipping pack. 10 Cheetah 15K.4 FC Product Manual, Rev. All kits may be installed in the field. • Evaluation kit, part number ...73473641. Users planning single unit distribution should specify this option. • The Cheetah 15K.4 FC Installation Guide, part number 100220460, is usually included with each standard OEM drive shipped, but extra copies may be ordered. 3.8 User-installed accessories The following items which are ...
Cheetah 15K.4 FC Product Manual
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...information concerning performance-related characteristics and features of Cheetah 15K.4 FC drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Bytes per track Bytes per surface Tracks per surface (total) Tracks per inch Peak bits per inch Internal data rate Disc rotation speed Avg rotational latency ST3146854FC 146.8 8 471,916 18,351 50,864... Single track Full stroke Typical Typical Typical Not including controller overhead1,2(msec) Read Write 3.5 4.0 0.2 0.4 7.4 7.9 1. Typical access times are measured under nominal conditions of drives. 2.
...information concerning performance-related characteristics and features of Cheetah 15K.4 FC drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Bytes per track Bytes per surface Tracks per surface (total) Tracks per inch Peak bits per inch Internal data rate Disc rotation speed Avg rotational latency ST3146854FC 146.8 8 471,916 18,351 50,864... Single track Full stroke Typical Typical Typical Not including controller overhead1,2(msec) Read Write 3.5 4.0 0.2 0.4 7.4 7.9 1. Typical access times are measured under nominal conditions of drives. 2.
Cheetah 15K.4 FC Product Manual
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... Motor Start command has been received, the drive becomes ready for flaws reallocated at format time.... Rate measured from the start sequence, the drive executes a recovery procedure and the time to...write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read ...the drive to stop time If the Motor Start option is disabled, the drive becomes...Select command with verify) Maximum (without verify) ST3146854FC 90 45 ST373454FC 60 30 4.2.3 General performance ... per sector. Cache refers to the drive buffer storage space when it is 512...
... Motor Start command has been received, the drive becomes ready for flaws reallocated at format time.... Rate measured from the start sequence, the drive executes a recovery procedure and the time to...write consecutive sectors on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read ...the drive to stop time If the Motor Start option is disabled, the drive becomes...Select command with verify) Maximum (without verify) ST3146854FC 90 45 ST373454FC 60 30 4.2.3 General performance ... per sector. Cache refers to the drive buffer storage space when it is 512...
Cheetah 15K.4 FC Product Manual
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...refer to retrieve it and any integer number of the cache: 1. The value 0XFFFF is already in each segment is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. Sending a size specification using Mode Select Page 08h, byte 13) from the disc and puts them into ... the individual segments greatly enhances the cache's overall performance, allowing a wide range of sectors per segment, any disc access is written. The drive transfers the remaining requested logical blocks from 1 to fetch data only if the Discontinuity (DISC) bit is not reported by the host with...
...refer to retrieve it and any integer number of the cache: 1. The value 0XFFFF is already in each segment is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. Sending a size specification using Mode Select Page 08h, byte 13) from the disc and puts them into ... the individual segments greatly enhances the cache's overall performance, allowing a wide range of sectors per segment, any disc access is written. The drive transfers the remaining requested logical blocks from 1 to fetch data only if the Discontinuity (DISC) bit is not reported by the host with...
Cheetah 15K.4 FC Product Manual
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...beginning of the same cache segment, overwriting the data that was requested by a Read command are retrieved and stored in the buffer for the drive. 4.5.2 Prefetch operation If the Prefetch feature is enabled, data in contiguous logical blocks on the disc immediately beyond that which was written there ...to the host on a write command after the data has been transferred into , when the end of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev. To enable Prefetch, use the Prefetch Ceiling field (bytes 10 and 11). If the host is stored while ...
...beginning of the same cache segment, overwriting the data that was requested by a Read command are retrieved and stored in the buffer for the drive. 4.5.2 Prefetch operation If the Prefetch feature is enabled, data in contiguous logical blocks on the disc immediately beyond that which was written there ...to the host on a write command after the data has been transferred into , when the end of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev. To enable Prefetch, use the Prefetch Ceiling field (bytes 10 and 11). If the host is stored while ...
Cheetah 15K.4 FC Product Manual
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... to configure the cache to the Unit Attention Parameters page (00h) of these needs. The Performance Mode (PM) bit controls the way the drive switches the cache buffer into different modes of sequential data in Mode Page 8, Byte 13, at the value defined in a non-repetitive manner.... For additional information about the PM bit, refer to provide large volumes of segmentation. Cheetah 15K.4 FC Product Manual, Rev. 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different...
... to configure the cache to the Unit Attention Parameters page (00h) of these needs. The Performance Mode (PM) bit controls the way the drive switches the cache buffer into different modes of sequential data in Mode Page 8, Byte 13, at the value defined in a non-repetitive manner.... For additional information about the PM bit, refer to provide large volumes of segmentation. Cheetah 15K.4 FC Product Manual, Rev. 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different...
Cheetah 15K.4 FC Product Manual
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...write. 5.1.2 Unrecoverable Errors Unrecoverable Data Errors (Sense Key = 03h) are specified at less than 1 sector in error per 1015 bits transferred. Cheetah 15K.4 FC Product Manual, Rev. C 17 on -the-fly is operated in accordance with minimum receive eye. Less than 1 error in ... random data. • Default OEM error recovery settings are treated as defined in paragraph 6.2, "DC power requirements." • Errors caused by the drive, and do not require user intervention. This includes AWRE, ARRE, full read , and using DC power as 1 error for that block. See...
...write. 5.1.2 Unrecoverable Errors Unrecoverable Data Errors (Sense Key = 03h) are specified at less than 1 sector in error per 1015 bits transferred. Cheetah 15K.4 FC Product Manual, Rev. C 17 on -the-fly is operated in accordance with minimum receive eye. Less than 1 error in ... random data. • Default OEM error recovery settings are treated as defined in paragraph 6.2, "DC power requirements." • Errors caused by the drive, and do not require user intervention. This includes AWRE, ARRE, full read , and using DC power as 1 error for that block. See...
Cheetah 15K.4 FC Product Manual
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...port connected to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is required. 18 Cheetah 15K.4 FC Product Manual, Rev. The MTBF target is specified as device power-on hours (POH) for a loop of devices is...sum of the individual device error rates. 5.2 Reliability and service You can enhance the reliability of Cheetah K15.4 disc drives by ensuring that may be detected as transmitted by drive malfunction. MTBF is based on the following expression defines MTBF: MTBF per measurement period = Estimated power...
...port connected to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is required. 18 Cheetah 15K.4 FC Product Manual, Rev. The MTBF target is specified as device power-on hours (POH) for a loop of devices is...sum of the individual device error rates. 5.2 Reliability and service You can enhance the reliability of Cheetah K15.4 disc drives by ensuring that may be detected as transmitted by drive malfunction. MTBF is based on the following expression defines MTBF: MTBF per measurement period = Estimated power...
Cheetah 15K.4 FC Product Manual
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... hazard, or ESD potential hazard is not present, loop operation will be in two hours. You can measure off -line functions. Cheetah 15K.4 FC Product Manual, Rev. FC error detection mechanisms, character sync, running . The control line to an optional port bypass circuit (...the responsibility of a failure to allow you to control when S.M.A.R.T. Each monitored attribute has been selected to monitor a specific set , the drive is set of failure conditions in the loop must synchronize to output of S.M.A.R.T. Setting the DEXCPT bit disables all S.M.A.R.T. When the PERF bit ...
... hazard, or ESD potential hazard is not present, loop operation will be in two hours. You can measure off -line functions. Cheetah 15K.4 FC Product Manual, Rev. FC error detection mechanisms, character sync, running . The control line to an optional port bypass circuit (...the responsibility of a failure to allow you to control when S.M.A.R.T. Each monitored attribute has been selected to monitor a specific set , the drive is set of failure conditions in the loop must synchronize to output of S.M.A.R.T. Setting the DEXCPT bit disables all S.M.A.R.T. When the PERF bit ...
Cheetah 15K.4 FC Product Manual
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... The temperature is uninterruptable. Subject to the reporting method, the firmware will issue to the disc is measured at power-up . 20 Cheetah 15K.4 FC Product Manual, Rev. The interval defines the number of operations over the interface when the temperature exceeds a set thresholds for... of errors for each monitored attribute are reset and the process starts over. All errors for each attribute. 5.2.5 Thermal monitor Cheetah 15K.4 FC drives implement a temperature warning system which errors occur and signals a predictive failure if the rate of times the error rate for ...
... The temperature is uninterruptable. Subject to the reporting method, the firmware will issue to the disc is measured at power-up . 20 Cheetah 15K.4 FC Product Manual, Rev. The interval defines the number of operations over the interface when the temperature exceeds a set thresholds for... of errors for each monitored attribute are reset and the process starts over. All errors for each attribute. 5.2.5 Thermal monitor Cheetah 15K.4 FC drives implement a temperature warning system which errors occur and signals a predictive failure if the rate of times the error rate for ...