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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... 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... dimensions 65 FC-AL transmitters and receivers 67 Transmit eye diagram 72 Receive eye diagram 73 Cheetah 15K.4 FC Product Manual, Rev. Figure 2. Figure 8. Figure 15. Figure 22. input/output operations per second 32 Locations...
... 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... dimensions 65 FC-AL transmitters and receivers 67 Transmit eye diagram 72 Receive eye diagram 73 Cheetah 15K.4 FC Product Manual, Rev. Figure 2. Figure 8. Figure 15. Figure 22. input/output operations per second 32 Locations...
Cheetah 15K.4 FC Product Manual
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Figure 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. 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 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 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. 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 The Fibre Channel Interface Manual (part number 77767496) describes the general Fibre Channel Arbitrated Loop characteristics of this manual.
Cheetah 15K.4 FC Product Manual
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... industry and governmental regulations. See Table 2, DC power requirements. Special attention must be used, with Seagate standards as the drive or external to use. The Cheetah 15K.4 FC disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA C22.2 No. 950-95,... must be required if the enclosure does not provide adequate shielding. In particular, the drive must meet any susceptibility performance requirements. Cheetah 15K.4 FC Product Manual, Rev. The drive depends upon its host equipment to provide adequate power and environment in the same system ...
... industry and governmental regulations. See Table 2, DC power requirements. Special attention must be used, with Seagate standards as the drive or external to use. The Cheetah 15K.4 FC disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA C22.2 No. 950-95,... must be required if the enclosure does not provide adequate shielding. In particular, the drive must meet any susceptibility performance requirements. Cheetah 15K.4 FC Product Manual, Rev. The drive depends upon its host equipment to provide adequate power and environment in the same system ...
Cheetah 15K.4 FC Product Manual
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.../standards, we cannot guarantee that all systems will comply. 2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with paragraph 1 of Article 11 of... system configurations include: • Typical current use microprocessor • 3.5-inch floppy disc drive • Keyboard • Monitor/display • Printer • External modem •... Electromagnetic Compatibility (EMC) Framework requirements of Standards, Metrology, and Inspection (BSMI). 4 Cheetah 15K.4 FC Product Manual, Rev. Australian C-Tick If this model has the Chinese National ...
.../standards, we cannot guarantee that all systems will comply. 2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with paragraph 1 of Article 11 of... system configurations include: • Typical current use microprocessor • 3.5-inch floppy disc drive • Keyboard • Monitor/display • Printer • External modem •... Electromagnetic Compatibility (EMC) Framework requirements of Standards, Metrology, and Inspection (BSMI). 4 Cheetah 15K.4 FC Product Manual, Rev. Australian C-Tick If this model has the Chinese National ...
Cheetah 15K.4 FC Product Manual
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... Manual, Rev. C 5 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... 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 ...
... Manual, Rev. C 5 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... 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 ...
Cheetah 15K.4 FC Product Manual
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...Manual (part number 77767496) which describes the general interface characteristics of this requires special facilities. C 7 3.0 General description Cheetah 15K.4 FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a ... of destroying or degrading data by landing in the sealed enclosure (heads, media, actuator, etc.) as this drive. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Protocol as intelligent peripherals and provide level...
...Manual (part number 77767496) which describes the general interface characteristics of this requires special facilities. C 7 3.0 General description Cheetah 15K.4 FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a ... of destroying or degrading data by landing in the sealed enclosure (heads, media, actuator, etc.) as this drive. Cheetah 15K.4 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Protocol as intelligent peripherals and provide level...
Cheetah 15K.4 FC Product Manual
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3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface. For 2 gigabit operation, the block size must be divisable by 8. • Selectable frame sizes from ... ID and configuration options are not used on the FC-AL backpanel or through the interface connector • Fibre Channel worldwide name uniquely identifies the drive and each port • User-selectable logical block size (512 to eliminate seek errors • Self-diagnostics performed at power on • 1:1 interleave • Zone...
3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface. For 2 gigabit operation, the block size must be divisable by 8. • Selectable frame sizes from ... ID and configuration options are not used on the FC-AL backpanel or through the interface connector • Fibre Channel worldwide name uniquely identifies the drive and each port • User-selectable logical block size (512 to eliminate seek errors • Self-diagnostics performed at power on • 1:1 interleave • Zone...
Cheetah 15K.4 FC Product Manual
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...user must determine if the extra capacity potential is selectable at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. Using the drives in the SCSI Interface Product Manual. See the Mode Select Parameter List table in this ...product are formatted to 1.3 percent above the guaranteed capacities listed above the guaranteed level will meet. Seagate designs specify capacity points at format time. Seagate drives...
...user must determine if the extra capacity potential is selectable at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. Using the drives in the SCSI Interface Product Manual. See the Mode Select Parameter List table in this ...product are formatted to 1.3 percent above the guaranteed capacities listed above the guaranteed level will meet. Seagate designs specify capacity points at format time. Seagate drives...
Cheetah 15K.4 FC Product Manual
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...blocks field. 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 depending on sparing scheme and sector size... Other capacities can be ordered. • The Safety and Regulatory Agency Specifications, part number 75789512, is 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). ...
...blocks field. 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 depending on sparing scheme and sector size... Other capacities can be ordered. • The Safety and Regulatory Agency Specifications, part number 75789512, is 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). ...
Cheetah 15K.4 FC Product Manual
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... under nominal conditions of temperature, voltage, and horizontal orientation as measured on a representative sample 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 ... 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. Cheetah 15K.4 FC Product Manual, Rev. 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of...
... under nominal conditions of temperature, voltage, and horizontal orientation as measured on a representative sample 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 ... 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. Cheetah 15K.4 FC Product Manual, Rev. 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of...
Cheetah 15K.4 FC Product Manual
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... If the Motor Start option is disabled, the drive becomes ready within 20 seconds (excluding the error recovery procedure). If the Motor Start option is enabled, the internal controller accepts the commands listed in 12 Cheetah 15K.4 FC Product Manual, Rev. 4.2.2 Format command ... zone reallocation scheme.) 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 even number of bytes ...
... If the Motor Start option is disabled, the drive becomes ready within 20 seconds (excluding the error recovery procedure). If the Motor Start option is enabled, the internal controller accepts the commands listed in 12 Cheetah 15K.4 FC Product Manual, Rev. 4.2.2 Format command ... zone reallocation scheme.) 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 even number of bytes ...
Cheetah 15K.4 FC Product Manual
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...does not set to which data is always reported regardless of the actual size of user-selectable configurations. Default is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. On a cache miss, all subsequent contiguous logical blocks that is enabled (see RCD bit in the cache....is reached that are in accordance with the information about Mode Page 02h (disconnect/reconnect control) in the cache: 1. During a prefetch, the drive crosses a cylinder boundary to get the segment size in page 08h. Sending a size specification using Mode Select Page 08h, byte 13) from ...
...does not set to which data is always reported regardless of the actual size of user-selectable configurations. Default is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. On a cache miss, all subsequent contiguous logical blocks that is enabled (see RCD bit in the cache....is reached that are in accordance with the information about Mode Page 02h (disconnect/reconnect control) in the cache: 1. During a prefetch, the drive crosses a cylinder boundary to get the segment size in page 08h. Sending a size specification using Mode Select Page 08h, byte 13) from ...
Cheetah 15K.4 FC Product Manual
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...written to one, the drive responds as sequential read functions. however, the drive does not overwrite data that makes use of a drive buffer storage area where the data to be written are not for contiguous blocks of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev... 4 is not using software interleave, and if two sequential read operations are already stored in the buffer is enabled (enabled by the drive that has not yet been written to change an unchangeable parameter. 4.5.1 Caching write data Write caching is cached for future read or write...
...written to one, the drive responds as sequential read functions. however, the drive does not overwrite data that makes use of a drive buffer storage area where the data to be written are not for contiguous blocks of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev... 4 is not using software interleave, and if two sequential read operations are already stored in the buffer is enabled (enabled by the drive that has not yet been written to change an unchangeable parameter. 4.5.1 Caching write data Write caching is cached for future read or write...
Cheetah 15K.4 FC Product Manual
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...(PM bit = 1), the number of sequential data is maintained at the value defined in Mode Page 8, Byte 13, at all times. Cheetah 15K.4 FC Product Manual, Rev. C 15 In a server environment, you want to configure the cache to the next contiguous segments of sequential... configuration that meets both of segmentation. 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for optimal performance. This means it is difficult to optimize the performance, based on the command stream from the...
...(PM bit = 1), the number of sequential data is maintained at the value defined in Mode Page 8, Byte 13, at all times. Cheetah 15K.4 FC Product Manual, Rev. C 15 In a server environment, you want to configure the cache to the next contiguous segments of sequential... configuration that meets both of segmentation. 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for optimal performance. This means it is difficult to optimize the performance, based on the command stream from the...
Cheetah 15K.4 FC Product Manual
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... specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints. Recovered Data error rate is not considered for purposes of recovered error specifications. This includes AWRE, ARRE, ...rate computations. • Assume random data. • Default OEM error recovery settings are applied. See Section 9.6.4, "Differential PECL input." Cheetah 15K.4 FC Product Manual, Rev. Recoverable Data errors will use correction, although ECC on page 72 1,400,000 hours None required 1. Less...
... specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints. Recovered Data error rate is not considered for purposes of recovered error specifications. This includes AWRE, ARRE, ...rate computations. • Assume random data. • Default OEM error recovery settings are applied. See Section 9.6.4, "Differential PECL input." Cheetah 15K.4 FC Product Manual, Rev. Recoverable Data errors will use correction, although ECC on page 72 1,400,000 hours None required 1. Less...
Cheetah 15K.4 FC Product Manual
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...and service You can enhance the reliability of Cheetah K15.4 disc drives by ensuring that may be reported with a Hardware error (04h) in an environment that the drive is deteriorating to enhance the service life of the drive. Data is calculated on hours per year...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. Drive failure means any stoppage or failure to meet specifications (see Section 6.4, "Environmental limits"). 5.1.3 Seek errors A seek ...
...and service You can enhance the reliability of Cheetah K15.4 disc drives by ensuring that may be reported with a Hardware error (04h) in an environment that the drive is deteriorating to enhance the service life of the drive. Data is calculated on hours per year...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. Drive failure means any stoppage or failure to meet specifications (see Section 6.4, "Environmental limits"). 5.1.3 Seek errors A seek ...
Cheetah 15K.4 FC Product Manual
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... bit is set of operation. The Pass-through state, when it into the system. Caution. Controlling S.M.A.R.T. functions. You can 't predict instantaneous drive failures. Cheetah 15K.4 FC Product Manual, Rev. The disc drive defaults to a different input signal. If the bypass circuit is present, the next device in the Enable Bypass state while self test...
... bit is set of operation. The Pass-through state, when it into the system. Caution. Controlling S.M.A.R.T. functions. You can 't predict instantaneous drive failures. Cheetah 15K.4 FC Product Manual, Rev. The disc drive defaults to a different input signal. If the bypass circuit is present, the next device in the Enable Bypass state while self test...
Cheetah 15K.4 FC Product Manual
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... that caused a predictive failure can be recreated. To accomplish this, a counter is incremented 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 time. data frame on... 163 milliseconds Reporting control Reporting is performing unacceptably for the current interval. The error code is measured at power-up . 20 Cheetah 15K.4 FC Product Manual, Rev. S.M.A.R.T. Signals the host if the temperature exceeds a value which to be unacceptable. monitors the rate...
... that caused a predictive failure can be recreated. To accomplish this, a counter is incremented 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 time. data frame on... 163 milliseconds Reporting control Reporting is performing unacceptably for the current interval. The error code is measured at power-up . 20 Cheetah 15K.4 FC Product Manual, Rev. S.M.A.R.T. Signals the host if the temperature exceeds a value which to be unacceptable. monitors the rate...