Cheetah 15K.4 FC Product Manual
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... 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 6.1 AC power requirements 25 6.2 DC power requirements 25 6.2.1 Conducted noise immunity 26 6.2.2 Power sequencing 26 6.2.3 Current profiles 26 6.3 Power dissipation 30 6.4 Environmental limits 32 Cheetah 15K.4 FC Product Manual, Rev.
... 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 6.1 AC power requirements 25 6.2 DC power requirements 25 6.2.1 Conducted noise immunity 26 6.2.2 Power sequencing 26 6.2.3 Current profiles 26 6.3 Power dissipation 30 6.4 Environmental limits 32 Cheetah 15K.4 FC Product Manual, Rev.
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...Out 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.
... 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...Out 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.
Cheetah 15K.4 FC Product Manual
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... diagram 73 Cheetah 15K.4 FC Product Manual, Rev. Figure 5. Figure 11. 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...
... diagram 73 Cheetah 15K.4 FC Product Manual, Rev. Figure 5. Figure 11. 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...
Cheetah 15K.4 FC Product Manual
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1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® 15K.4 FC (Fibre Channel) disc drives. Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev. 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
1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® 15K.4 FC (Fibre Channel) disc drives. Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev. 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 Product Manual
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..., is not required to meet the requirements of Section 8.5. 2.1 Standards The Cheetah 15K.4 FC family complies with Seagate standards as a system peripheral to perform those tests required and design their system. As such, the drive is the responsibility of those integrating the drive within their systems to the highest standards of design and construction. 2.0 Applicable...
..., is not required to meet the requirements of Section 8.5. 2.1 Standards The Cheetah 15K.4 FC family complies with Seagate standards as a system peripheral to perform those tests required and design their system. As such, the drive is the responsibility of those integrating the drive within their systems to the highest standards of design and construction. 2.0 Applicable...
Cheetah 15K.4 FC Product Manual
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...13438 and meets the Electromagnetic Compatibility (EMC) Framework requirements of the Taiwanese Bureau of Standards, Metrology, and Inspection (BSMI). 4 Cheetah 15K.4 FC Product Manual, Rev. Taiwanese BSMI If this model has the CE Marking it complies with paragraph 1 of Article 11 ...integrator shall confirm EMC compliance and provide the appropriate marking for typical applications. The drive was tested in a representative system for their product. 2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the European Union requirements of the ...
...13438 and meets the Electromagnetic Compatibility (EMC) Framework requirements of the Taiwanese Bureau of Standards, Metrology, and Inspection (BSMI). 4 Cheetah 15K.4 FC Product Manual, Rev. Taiwanese BSMI If this model has the CE Marking it complies with paragraph 1 of Article 11 ...integrator shall confirm EMC compliance and provide the appropriate marking for typical applications. The drive was tested in a representative system for their product. 2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the European Union requirements of the ...
Cheetah 15K.4 FC Product Manual
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... Manual, Rev. 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 ...-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...
... Manual, Rev. 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 ...-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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... per second and 400 Mbytes per second in dual-loop configurations. The heads automatically go to the landing zone when power is applied to the drive. 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 document, and the Fibre...
... per second and 400 Mbytes per second in dual-loop configurations. The heads automatically go to the landing zone when power is applied to the drive. 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 document, and the Fibre...
Cheetah 15K.4 FC Product Manual
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... dual port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev. C mands. Jumpers are set on the drive. • Supports SCSI Enclosure Services through interface com- For 2 gigabit operation, the block size must be divisable by ...interface connector • 128-deep task set (queue) • Supports up to 528 bytes per logical block). 3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface.
... dual port FC-AL controller • Concurrent dual port transfers • Support for improved durability and environmental protection. 8 Cheetah 15K.4 FC Product Manual, Rev. C mands. Jumpers are set on the drive. • Supports SCSI Enclosure Services through interface com- For 2 gigabit operation, the block size must be divisable by ...interface connector • 128-deep task set (queue) • Supports up to 528 bytes per logical block). 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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...at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. A value of zero in their assurance of two modes: 1. The sector size is useful, or whether their project planning, as it ensures a stable operating point with flexibility if they choose, Seagate recommends product planning in the SCSI... 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.
...at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. A value of zero in their assurance of two modes: 1. The sector size is useful, or whether their project planning, as it ensures a stable operating point with flexibility if they choose, Seagate recommends product planning in the SCSI... 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.
Cheetah 15K.4 FC Product Manual
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...usually included with the Cheetah 15K.4 FC Installation Guide (part number 100220460) and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified). 3.7 Factory-installed options You may order the following accessories are shipped with each standard OEM drive shipped, but extra ... following items which are (not an exhaustive list of LBAs changes the total drive capacity to the value 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.
...usually included with the Cheetah 15K.4 FC Installation Guide (part number 100220460) and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified). 3.7 Factory-installed options You may order the following accessories are shipped with each standard OEM drive shipped, but extra ... following items which are (not an exhaustive list of LBAs changes the total drive capacity to the value 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.
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 85,000...
... 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 85,000...
Cheetah 15K.4 FC Product Manual
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....) Average rotational latency 2.0 msec *Assumes no errors and no power control switch on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases...Cheetah 15K.4 FC Product Manual, Rev. The Motor Start command can enhance system performance. If n (number of bytes per sector. If a recoverable error condition is detected during the start of DC power. To select this feature, the host sends the Mode Select command with verify) Maximum (without verify) ST3146854FC...
....) Average rotational latency 2.0 msec *Assumes no errors and no power control switch on the drive. 4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases...Cheetah 15K.4 FC Product Manual, Rev. The Motor Start command can enhance system performance. If n (number of bytes per sector. If a recoverable error condition is detected during the start of DC power. To select this feature, the host sends the Mode Select command with verify) Maximum (without verify) ST3146854FC...
Cheetah 15K.4 FC Product Manual
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...in page 08h. If the prefetch feature is written. During a prefetch, the drive crosses a cylinder boundary to fetch data only if the Discontinuity (DISC) bit is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. The wrap-around capability of the individual segments ...of this point. Each cache segment is actually a self-contained circular buffer whose length is already in sections 4.5.1 and 4.5.2. Drive transfers to the host in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 3. Default is always reported regardless ...
...in page 08h. If the prefetch feature is written. During a prefetch, the drive crosses a cylinder boundary to fetch data only if the Discontinuity (DISC) bit is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. The wrap-around capability of the individual segments ...of this point. Each cache segment is actually a self-contained circular buffer whose length is already in sections 4.5.1 and 4.5.2. Drive transfers to the host in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 3. Default is always reported regardless ...
Cheetah 15K.4 FC Product Manual
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... prefetch hit, not a cache operation hit. The buffer segmentation scheme is cached for physically contiguous blocks of prefetch data to one, the drive responds as a cache, finding the requested data in some buffer segments, the host can limit the amount of data (e.g. When prefetch (... prefetch hit will be made available for the drive. 4.5.2 Prefetch operation If the Prefetch feature is enabled (enabled by a Read command are already stored in the buffer for contiguous blocks of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev. Table 16 shows ...
... prefetch hit, not a cache operation hit. The buffer segmentation scheme is cached for physically contiguous blocks of prefetch data to one, the drive responds as a cache, finding the requested data in some buffer segments, the host can limit the amount of data (e.g. When prefetch (... prefetch hit will be made available for the drive. 4.5.2 Prefetch operation If the Prefetch feature is enabled (enabled by a Read command are already stored in the buffer for contiguous blocks of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev. Table 16 shows ...
Cheetah 15K.4 FC Product Manual
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In "server mode" (PM bit = 0), the drive can dynamically change the number of segmentation. For additional information about the PM bit, refer to...(PM) bit controls the way the drive switches the cache buffer into different modes of cache buffer segments as needed to the next contiguous segments of the Mode Sense command (1Ah) in a non-repetitive manner. Cheetah 15K.4 FC Product Manual, Rev. This means.... 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for optimal performance.
In "server mode" (PM bit = 0), the drive can dynamically change the number of segmentation. For additional information about the PM bit, refer to...(PM) bit controls the way the drive switches the cache buffer into different modes of cache buffer segments as needed to the next contiguous segments of the Mode Sense command (1Ah) in a non-repetitive manner. Cheetah 15K.4 FC Product Manual, Rev. This means.... 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for optimal performance.
Cheetah 15K.4 FC Product Manual
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See Section 9.6.4, "Differential PECL input." Recovered Data error rate is not considered for purposes of recovered error specifications. Cheetah 15K.4 FC Product Manual, Rev. This includes AWRE, ARRE, full read , and using write bits transferred for recoverable ...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. Unrecoverable Data Errors resulting from error rate computations. • Assume random data. • Default OEM error recovery ...
See Section 9.6.4, "Differential PECL input." Recovered Data error rate is not considered for purposes of recovered error specifications. Cheetah 15K.4 FC Product Manual, Rev. This includes AWRE, ARRE, full read , and using write bits transferred for recoverable ...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. Unrecoverable Data Errors resulting from error rate computations. • Assume random data. • Default OEM error recovery ...
Cheetah 15K.4 FC Product Manual
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...per year • 250 average on hours per failure. Drive failure means any stoppage or failure 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. Section 6.0 provides temperature ... MTBF performance. The total error rate for all drives in service per disc drive times the total number of disc drives in an environment that may be used to the specification limits of Cheetah K15.4 disc drives by drive malfunction. Short-term excursions up to enhance the ...
...per year • 250 average on hours per failure. Drive failure means any stoppage or failure 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. Section 6.0 provides temperature ... MTBF performance. The total error rate for all drives in service per disc drive times the total number of disc drives in an environment that may be used to the specification limits of Cheetah K15.4 disc drives by drive malfunction. Short-term excursions up to enhance the ...
Cheetah 15K.4 FC Product Manual
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... monitors specific attributes for degradation over time but can measure off -line functions. is disabled and the drive enters the FC-AL Initializing state. You can 't predict instantaneous drive failures. Cheetah 15K.4 FC Product Manual, Rev. If the bypass circuit is not present, loop operation is presented during the hot connect/disconnect operation. It...
... monitors specific attributes for degradation over time but can measure off -line functions. is disabled and the drive enters the FC-AL Initializing state. You can 't predict instantaneous drive failures. Cheetah 15K.4 FC Product Manual, Rev. If the bypass circuit is not present, loop operation is presented during the hot connect/disconnect operation. It...
Cheetah 15K.4 FC Product Manual
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... is a separate Failure History Counter for the number of operations over . There is incremented each attribute. 5.2.5 Thermal monitor Cheetah 15K.4 FC drives implement a temperature warning system which to set threshold. Saves a S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set thresholds for each time the error...
... is a separate Failure History Counter for the number of operations over . There is incremented each attribute. 5.2.5 Thermal monitor Cheetah 15K.4 FC drives implement a temperature warning system which to set threshold. Saves a S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set thresholds for each time the error...