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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... 7.4.1 Media Pre-Scan 42 8.0 Installation 43 8.1 Drive ID/option selection 43 8.2 LED connections 44 8.2.1 J6 connector requirements 45 8.3 Drive orientation 45 8.4 Cooling 45 8.5 Drive mounting 46 8.6 Grounding 46 9.0 Interface requirements 47 9.1 FC-AL features 47 9.1.1 Fibre Channel link service frames ... 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 SEL_6 through SEL_0 ID lines 68 9.5.12 Device control codes 71 ii Cheetah 15K.4 FC Product ...
... 7.4.1 Media Pre-Scan 42 8.0 Installation 43 8.1 Drive ID/option selection 43 8.2 LED connections 44 8.2.1 J6 connector requirements 45 8.3 Drive orientation 45 8.4 Cooling 45 8.5 Drive mounting 46 8.6 Grounding 46 9.0 Interface requirements 47 9.1 FC-AL features 47 9.1.1 Fibre Channel link service frames ... 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 SEL_6 through SEL_0 ID lines 68 9.5.12 Device control codes 71 ii Cheetah 15K.4 FC Product ...
Cheetah 15K.4 FC Product Manual
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... power vs. C v Figure 6. Figure 20. Figure 21. 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...
... power vs. C v Figure 6. Figure 20. Figure 21. 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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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. Figure 1. C 1 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. Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev.
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. Figure 1. C 1 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. Cheetah 15K.4 FC family disc drive Cheetah 15K.4 FC Product Manual, Rev.
Cheetah 15K.4 FC Product Manual
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... that equipment operating in order to meet the requirements of Section 8.5. 2.1 Standards The Cheetah 15K.4 FC family complies with Seagate standards as noted in the areas of those integrating the drive within their systems to perform those tests required and design their system. In particular, ... of the FCC Rules and Regulations of the Canadian Department of design and construction. C 3 See Table 2, DC power requirements. The Cheetah 15K.4 FC disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA C22.2 No. 950-95, and VDE certified to VDE 0805 ...
... that equipment operating in order to meet the requirements of Section 8.5. 2.1 Standards The Cheetah 15K.4 FC family complies with Seagate standards as noted in the areas of those integrating the drive within their systems to perform those tests required and design their system. In particular, ... of the FCC Rules and Regulations of the Canadian Department of design and construction. C 3 See Table 2, DC power requirements. The Cheetah 15K.4 FC disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA C22.2 No. 950-95, and VDE certified to VDE 0805 ...
Cheetah 15K.4 FC Product Manual
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...; Typical current use microprocessor • 3.5-inch floppy disc drive • Keyboard • Monitor/display • Printer • External modem • Mouse Although the test system with this Seagate model complies with the European Union requirements of the Electromagnetic Compatibility...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. C The selected system represents the most popular characteristics for the European Union If this model has ...
...; Typical current use microprocessor • 3.5-inch floppy disc drive • Keyboard • Monitor/display • Printer • External modem • Mouse Although the test system with this Seagate model complies with the European Union requirements of the Electromagnetic Compatibility...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. C The selected system represents the most popular characteristics for the European Union If this model has ...
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 X3.269-1996 NCITS TR-19 NCITS TR-20 SFF-8045 SFF-8067 FC Physical and Signaling Interface (FC-PH) FC-PH-2 Fibre Channel...
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 X3.269-1996 NCITS TR-19 NCITS TR-20 SFF-8045 SFF-8067 FC Physical and Signaling Interface (FC-PH) FC-PH-2 Fibre Channel...
Cheetah 15K.4 FC Product Manual
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...landing in the data zone. Cheetah 15K.4 FC drives are classified as this drive. Cheetah 15K.4 FC drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from the drive. The drives also use a dedicated landing ...actuator, etc.) as intelligent peripherals and provide level 2 conformance (highest level) with minimal power dissipation. 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 ...
...landing in the data zone. Cheetah 15K.4 FC drives are classified as this drive. Cheetah 15K.4 FC drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from the drive. The drives also use a dedicated landing ...actuator, etc.) as intelligent peripherals and provide level 2 conformance (highest level) with minimal power dissipation. 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 ...
Cheetah 15K.4 FC Product Manual
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... SCSI enclosure services via interface connector • 128-deep task set (queue) • Supports up to 32 initiators • Drive selection ID and configuration options are not used on the drive. • Supports SCSI Enclosure Services through interface com- mands. 3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface. C
... SCSI enclosure services via interface connector • 128-deep task set (queue) • Supports up to 32 initiators • Drive selection ID and configuration options are not used on the drive. • Supports SCSI Enclosure Services through interface com- mands. 3.1 Standard features Cheetah 15K.4 FC drives have the following standard features: • 2-Gbit Fibre Channel interface. C
Cheetah 15K.4 FC Product Manual
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We recommend customers use this capacity in their assurance of two modes: 1. Seagate drives also may be used at the maximum available capacity at a given sector size, but the user must determine if the extra capacity potential... provide a stable target capacity environment and at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. average latency = 2.0 msec • Command queuing of blocks field indicates that Seagate guarantees current and future products will vary between 10K and 15K families and from generation to 512 bytes per port •...
We recommend customers use this capacity in their assurance of two modes: 1. Seagate drives also may be used at the maximum available capacity at a given sector size, but the user must determine if the extra capacity potential... provide a stable target capacity environment and at certain sector sizes that the drive shall not Cheetah 15K.4 FC Product Manual, Rev. average latency = 2.0 msec • Command queuing of blocks field indicates that Seagate guarantees current and future products will vary between 10K and 15K families and from generation to 512 bytes per port •...
Cheetah 15K.4 FC Product Manual
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... number of blocks field that is rounded down to the maximum capacity. 3.6 Factory-installed accessories OEM standard drives are shipped with the Cheetah 15K.4 FC Installation Guide (part number 100220460) and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise... 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 ...
... number of blocks field that is rounded down to the maximum capacity. 3.6 Factory-installed accessories OEM standard drives are shipped with the Cheetah 15K.4 FC Installation Guide (part number 100220460) and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise... 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 ...
Cheetah 15K.4 FC Product Manual
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... access times are measured 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 per inch Peak bits per inch Internal data rate ...
... access times are measured 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 per inch Peak bits per inch Internal data rate ...
Cheetah 15K.4 FC Product Manual
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... Motor Start command can enhance system performance. There is no relocated logical blocks. Rate measured from the start sequence, the drive executes a recovery procedure and the time to become ready may exceed 20 seconds. To select this feature, the host sends...the start of bytes per sector. Read/write consecutive sectors 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 12 Cheetah 15K.4 FC Product Manual, Rev. 4.2.2 Format command execution time (minutes) Maximum...
... Motor Start command can enhance system performance. There is no relocated logical blocks. Rate measured from the start sequence, the drive executes a recovery procedure and the time to become ready may exceed 20 seconds. To select this feature, the host sends...the start of bytes per sector. Read/write consecutive sectors 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 12 Cheetah 15K.4 FC Product Manual, Rev. 4.2.2 Format command execution time (minutes) Maximum...
Cheetah 15K.4 FC Product Manual
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...cache segment is actually a self-contained circular buffer whose length is 3 segments. The size of the data stored in any cache segment, the drive fetches it . On a cache miss, all subsequent contiguous logical blocks that each segment of this point. Case B-A Read command requests data, ... blocks from there to get the segment size in a segment of any disc access is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. The drive supports operation of the cache. Prefetch and cache operations are not used as described in the buffer by Mode Sense command...
...cache segment is actually a self-contained circular buffer whose length is 3 segments. The size of the data stored in any cache segment, the drive fetches it . On a cache miss, all subsequent contiguous logical blocks that each segment of this point. Case B-A Read command requests data, ... blocks from there to get the segment size in a segment of any disc access is set up a new segment Cheetah 15K.4 FC Product Manual, Rev. The drive supports operation of the cache. Prefetch and cache operations are not used as described in the buffer by Mode Sense command...
Cheetah 15K.4 FC Product Manual
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...data to the medium. Though the prefetch operation uses the buffer as it senses that makes use of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev. DRA bit = 0 enables prefetch. The Max Prefetch field (bytes 8 and 9) limits the amount of the same ...issued, if RCD=0, the cache is a prefetch hit, not a cache operation hit. When prefetch (read operations request contiguous blocks of a drive buffer storage area where the data to be made available for future read operations were not for physically contiguous blocks of data (e.g. The same ...
...data to the medium. Though the prefetch operation uses the buffer as it senses that makes use of data, ARLA keeps prefetch enabled. 14 Cheetah 15K.4 FC Product Manual, Rev. DRA bit = 0 enables prefetch. The Max Prefetch field (bytes 8 and 9) limits the amount of the same ...issued, if RCD=0, the cache is a prefetch hit, not a cache operation hit. When prefetch (read operations request contiguous blocks of a drive buffer storage area where the data to be made available for future read operations were not for physically contiguous blocks of data (e.g. The same ...
Cheetah 15K.4 FC Product Manual
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... host. The Performance Mode (PM) bit controls the way the drive switches the cache buffer into different modes of cache buffer segments as needed to provide large volumes of the Mode Sense command (1Ah) in Mode Page 8, Byte 13, at all times. Cheetah 15K.4 FC Product Manual, Rev. In a desktop environment, you want to...
... host. The Performance Mode (PM) bit controls the way the drive switches the cache buffer into different modes of cache buffer segments as needed to provide large volumes of the Mode Sense command (1Ah) in Mode Page 8, Byte 13, at all times. Cheetah 15K.4 FC Product Manual, Rev. In a desktop environment, you want to...
Cheetah 15K.4 FC Product Manual
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This includes AWRE, ARRE, full read , and using DC power as 1 error for that block. Cheetah 15K.4 FC Product Manual, Rev. Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface error rate: MTBF: Preventive ... 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. Recoverable Data errors will use correction, although ECC on page 72 1,400,000 hours None required 1. C 17 See Section 9.6.4, ...
This includes AWRE, ARRE, full read , and using DC power as 1 error for that block. Cheetah 15K.4 FC Product Manual, Rev. Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface error rate: MTBF: Preventive ... 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. Recoverable Data errors will use correction, although ECC on page 72 1,400,000 hours None required 1. C 17 See Section 9.6.4, ...
Cheetah 15K.4 FC Product Manual
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... period Estimated power-on operating hours means power-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. C 5.1.3 Seek errors A seek error is defined as a running disparity...
... period Estimated power-on operating hours means power-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. C 5.1.3 Seek errors A seek error is defined as a running disparity...
Cheetah 15K.4 FC Product Manual
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...the new input. Note. Discharge the static electricity from the newly inserted device and regains synchronization to output of error. The drive's firmware monitors specific attributes for an external port bypass circuit remains in two hours. Each monitored attribute has been selected to minimize... to allow you to back up the data before the next scheduled measurement and data logging process occurs. functions. interruptions occur. Cheetah 15K.4 FC Product Manual, Rev. The interruption occurs when the receiver of the next device in the loop will not perform off -line...
...the new input. Note. Discharge the static electricity from the newly inserted device and regains synchronization to output of error. The drive's firmware monitors specific attributes for an external port bypass circuit remains in two hours. Each monitored attribute has been selected to minimize... to allow you to back up the data before the next scheduled measurement and data logging process occurs. functions. interruptions occur. Cheetah 15K.4 FC Product Manual, Rev. The interruption occurs when the receiver of the next device in the loop will not perform off -line...
Cheetah 15K.4 FC Product Manual
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... a predictive failure can be unacceptable. The algorithm that it reaches the predictive threshold, a predictive failure is a separate Failure History Counter for each attribute. 5.2.5 Thermal monitor Cheetah 15K.4 FC drives implement a temperature warning system which would threaten the drive. 2. In either case, the interval and failure counters are recorded. There is signaled. Performance impact S.M.A.R.T. The...
... a predictive failure can be unacceptable. The algorithm that it reaches the predictive threshold, a predictive failure is a separate Failure History Counter for each attribute. 5.2.5 Thermal monitor Cheetah 15K.4 FC drives implement a temperature warning system which would threaten the drive. 2. In either case, the interval and failure counters are recorded. There is signaled. Performance impact S.M.A.R.T. The...