Cheetah 15K.5 SAS Product Manual
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... purposes. Cheetah, SeaTools and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC in the United States and/ or other countries. Seagate reserves the right to hard drive capacity. Publication number: 100384784, Rev. ©2007, Seagate Technology LLC All rights reserved. E August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of...
... purposes. Cheetah, SeaTools and SeaTDD are either trademarks or registered trademarks of Seagate Technology LLC in the United States and/ or other countries. Seagate reserves the right to hard drive capacity. Publication number: 100384784, Rev. ©2007, Seagate Technology LLC All rights reserved. E August 2007 Seagate, Seagate Technology and the Wave logo are registered trademarks of...
Cheetah 15K.5 SAS Product Manual
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... 5.1.3 Seek errors 16 5.1.4 Interface errors 16 5.2 Reliability and service 16 5.2.1 Mean time between failure (MTBF 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging the drive 17 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 18 5.2.6 Drive Self Test (DST 19 5.2.7 Product warranty 21 6.0 Physical/electrical specifications 23 6.1 AC power requirements 23 6.2 DC power requirements 23 6.2.1 Conducted noise immunity 25...
... 5.1.3 Seek errors 16 5.1.4 Interface errors 16 5.2 Reliability and service 16 5.2.1 Mean time between failure (MTBF 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging the drive 17 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 18 5.2.6 Drive Self Test (DST 19 5.2.7 Product warranty 21 6.0 Physical/electrical specifications 23 6.1 AC power requirements 23 6.2 DC power requirements 23 6.2.1 Conducted noise immunity 25...
Cheetah 15K.5 SAS Product Manual
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... cleanliness 35 6.4.6 Corrosive environment 35 6.4.7 Acoustics 36 6.4.8 Electromagnetic susceptibility 36 6.5 Mechanical specifications 36 7.0 Defect and error management 37 7.1 Drive internal defects/errors 37 7.2 Drive error recovery procedures 37 7.3 SAS system errors 39 7.4 Background Media Scan 39 7.5 Media Pre-Scan 39 7.6 Deferred Auto-Reallocation 40 ... transmitters and receivers 61 9.4.7 Power 61 9.5 Signal characteristics 61 9.5.1 Ready LED Out 61 9.5.2 Differential signals 62 10.0 Seagate Technology support services 73 ii Cheetah 15K.5 SAS Product Manual, Rev. E
... cleanliness 35 6.4.6 Corrosive environment 35 6.4.7 Acoustics 36 6.4.8 Electromagnetic susceptibility 36 6.5 Mechanical specifications 36 7.0 Defect and error management 37 7.1 Drive internal defects/errors 37 7.2 Drive error recovery procedures 37 7.3 SAS system errors 39 7.4 Background Media Scan 39 7.5 Media Pre-Scan 39 7.6 Deferred Auto-Reallocation 40 ... transmitters and receivers 61 9.4.7 Power 61 9.5 Signal characteristics 61 9.5.1 Ready LED Out 61 9.5.2 Differential signals 62 10.0 Seagate Technology support services 73 ii Cheetah 15K.5 SAS Product Manual, Rev. E
Cheetah 15K.5 SAS Product Manual
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.... Figure 2. Figure 11. Figure 21. Cheetah 15K.5 SAS disc drive 1 Typical ST3300655SS drive +12V current profile 26 Typical ST3300655SS drive +5V current profile 26 Typical ST3146855SS drive +12V current profile 27 Typical ST3146855SS drive +5V current profile 27 Typical ST373455SS drive +12V current profile 28 Typical ST373455SS drive +5V current profile 28 ST3300655SS (3 Gbit) DC current and...
.... Figure 2. Figure 11. Figure 21. Cheetah 15K.5 SAS disc drive 1 Typical ST3300655SS drive +12V current profile 26 Typical ST3300655SS drive +5V current profile 26 Typical ST3146855SS drive +12V current profile 27 Typical ST3146855SS drive +5V current profile 27 Typical ST373455SS drive +12V current profile 28 Typical ST373455SS drive +5V current profile 28 ST3300655SS (3 Gbit) DC current and...
Cheetah 15K.5 SAS Product Manual
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Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. Figure 1. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. Figure 1. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
Cheetah 15K.5 SAS Product Manual
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...tests required and design their system. E 3 If the I /O cables may be used, with Seagate standards as noted in their system to ensure that equipment operating in an enclosure that the drive meets the appropriate EMI requirements in the appropriate sections of Communications. See Tables 2, 3 and 4, ...radiation when installed in the same system as the drive or external to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of this manual and the Seagate SAS Interface Manual, part number 100293071. Cheetah 15K...
...tests required and design their system. E 3 If the I /O cables may be used, with Seagate standards as noted in their system to ensure that equipment operating in an enclosure that the drive meets the appropriate EMI requirements in the appropriate sections of Communications. See Tables 2, 3 and 4, ...radiation when installed in the same system as the drive or external to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of this manual and the Seagate SAS Interface Manual, part number 100293071. Cheetah 15K...
Cheetah 15K.5 SAS Product Manual
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...Electromagnetic Compatibility (EMC) Framework requirements of Korea. Electromagnetic compliance for the disc drives documented in electronic products effective July 2006. E Australian C-Tick If this Seagate model complies with the directives/standards, we cannot guarantee that all parts and... EMC compliance and provide the appropriate marking for CE Marking and C-Tick Marking. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for their compliance with our requirements by providing material...
...Electromagnetic Compatibility (EMC) Framework requirements of Korea. Electromagnetic compliance for the disc drives documented in electronic products effective July 2006. E Australian C-Tick If this Seagate model complies with the directives/standards, we cannot guarantee that all parts and... EMC compliance and provide the appropriate marking for CE Marking and C-Tick Marking. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for their compliance with our requirements by providing material...
Cheetah 15K.5 SAS Product Manual
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...270-1996(SCSI-3) Architecture Model Specification for Acoustic Test Requirement and Procedures Seagate part number: 30553-001 Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) In case of conflict between ...2.4 Reference documents Cheetah 15K.5 SAS Installation Guide Seagate part number: 100384785 SCSI Commands Reference Manual Seagate part number: 100293068 SAS Interface Manual Seagate part number: 100293071 Applicable ANSI SAS documents SFF-8323 3.5" Drive Form Factor with the RoHS Directive and all...
...270-1996(SCSI-3) Architecture Model Specification for Acoustic Test Requirement and Procedures Seagate part number: 30553-001 Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) In case of conflict between ...2.4 Reference documents Cheetah 15K.5 SAS Installation Guide Seagate part number: 100384785 SCSI Commands Reference Manual Seagate part number: 100293068 SAS Interface Manual Seagate part number: 100293071 Applicable ANSI SAS documents SFF-8323 3.5" Drive Form Factor with the RoHS Directive and all...
Cheetah 15K.5 SAS Product Manual
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...possibility of destroying or degrading data by landing in the data zone. The SAS connectors, cables and electrical interface are classified as this drive. Air recirculates within the HDA through a nonreplaceable filter to service items in the sealed enclosure (heads, media, actuator, etc.) as... intelligent peripherals and provide level 2 conformance (highest level) with either SAS or SATA hard disc drives. Never disassemble the HDA and do not attempt to maintain a contamination-free HDA environment. The shipping lock disengages and the head load ...
...possibility of destroying or degrading data by landing in the data zone. The SAS connectors, cables and electrical interface are classified as this drive. Air recirculates within the HDA through a nonreplaceable filter to service items in the sealed enclosure (heads, media, actuator, etc.) as... intelligent peripherals and provide level 2 conformance (highest level) with either SAS or SATA hard disc drives. Never disassemble the HDA and do not attempt to maintain a contamination-free HDA environment. The shipping lock disengages and the head load ...
Cheetah 15K.5 SAS Product Manual
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...Flawed logical block reallocation at format time • Programmable auto write and read reallocation • Reallocation of defects on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental...adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS...
...Flawed logical block reallocation at format time • Programmable auto write and read reallocation • Reallocation of defects on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental...adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS...
Cheetah 15K.5 SAS Product Manual
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...block sizes that the drive will vary between other than zero and less than maximum. We recommend customers use this capacity in their assurance of LBAs is selectable at the same time provide users with flexibility if they choose, Seagate recommends product planning in... the Number of Blocks field indicates that Seagate guarantees current and future products will meet. Seagate drives also may be a multiple of 4 bytes. Users having the necessary equipment may...
...block sizes that the drive will vary between other than zero and less than maximum. We recommend customers use this capacity in their assurance of LBAs is selectable at the same time provide users with flexibility if they choose, Seagate recommends product planning in... the Number of Blocks field indicates that Seagate guarantees current and future products will meet. Seagate drives also may be a multiple of 4 bytes. Users having the necessary equipment may...
Cheetah 15K.5 SAS Product Manual
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...specify this option. • The Cheetah 15K.5 SAS Installation Guide, part number 100384785, is usually included with each standard OEM drive shipped, but extra copies may be installed in bulk packaging to provide maximum protection against transit damage. Units shipped individually require ...kits may be ordered depending on sparing scheme and sector size requested. • Single-unit shipping pack. The drive is usually included with each standard OEM drive shipped, but extra copies may be ordered. 3.9 User-installed accessories The following items which are available. E ...
...specify this option. • The Cheetah 15K.5 SAS Installation Guide, part number 100384785, is usually included with each standard OEM drive shipped, but extra copies may be installed in bulk packaging to provide maximum protection against transit damage. Units shipped individually require ...kits may be ordered depending on sparing scheme and sector size requested. • Single-unit shipping pack. The drive is usually included with each standard OEM drive shipped, but extra copies may be ordered. 3.9 User-installed accessories The following items which are available. E ...
Cheetah 15K.5 SAS Product Manual
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..., 2 (msec) Read Write Average Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. E 11 Access to hard drive capacity. Cheetah 15K.5 SAS Product Manual, Rev. Accessible capacity may vary depending on operating environment and formatting. **Rounded off value. 4.2 Seek time... See Section 9.4.1, "SAS physical interface" on a representative sample of Cheetah drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per surface (total) Tracks per inch Peak bits per inch Areal Density ...
..., 2 (msec) Read Write Average Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. E 11 Access to hard drive capacity. Cheetah 15K.5 SAS Product Manual, Rev. Accessible capacity may vary depending on operating environment and formatting. **Rounded off value. 4.2 Seek time... See Section 9.4.1, "SAS physical interface" on a representative sample of Cheetah drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per surface (total) Tracks per inch Peak bits per inch Areal Density ...
Cheetah 15K.5 SAS Product Manual
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... SPINUP) primitive within 20 seconds (excluding the error recovery procedure). After receiving a NOTIFY (ENABLE SPINUP) primitive through either port, the drive becomes ready for a START STOP UNIT command with the START bit equal to 1. After receiving a START STOP UNIT command with the START...Negligible Average rotational latency 2.0 msec *Assumes system ability to support the rates listed and no cable loss. 4.3 Start/stop time The drive accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has been applied. 4.2.2 Format command execution time...
... SPINUP) primitive within 20 seconds (excluding the error recovery procedure). After receiving a NOTIFY (ENABLE SPINUP) primitive through either port, the drive becomes ready for a START STOP UNIT command with the START bit equal to 1. After receiving a START STOP UNIT command with the START...Negligible Average rotational latency 2.0 msec *Assumes system ability to support the rates listed and no cable loss. 4.3 Start/stop time The drive accepts the commands listed in the SAS Interface Manual less than 3 seconds after DC power has been applied. 4.2.2 Format command execution time...
Cheetah 15K.5 SAS Product Manual
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...cache operation is not enabled, the buffer is used in page 08h. Case B-A Read command requests data, and at least one , the drive responds as described in any disc access is an integer number of the prefetch/cache operation: Case A-read command is not in sections 4.5.1 ...circular buffer segments during disc medium read operations (disregarding Prefetch operation for the moment). Prefetch and cache operations are already in the drive, approximately 13,000 kbytes can enhance system performance. The value 0XFFFF is always reported regardless of the actual size of the individual...
...cache operation is not enabled, the buffer is used in page 08h. Case B-A Read command requests data, and at least one , the drive responds as described in any disc access is an integer number of the prefetch/cache operation: Case A-read command is not in sections 4.5.1 ...circular buffer segments during disc medium read operations (disregarding Prefetch operation for the moment). Prefetch and cache operations are already in the drive, approximately 13,000 kbytes can enhance system performance. The value 0XFFFF is always reported regardless of the actual size of the individual...
Cheetah 15K.5 SAS Product Manual
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...read or write command. If an error occurs while writing the data to the medium. Table 9.3.2.1 shows the mode default settings 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 at the beginning of RCD. The new data is retained in the cache to be generated. DRA bit = 0 enables prefetch. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - E DRA bit). If read look-ahead) is enabled (enabled ...
...read or write command. If an error occurs while writing the data to the medium. Table 9.3.2.1 shows the mode default settings 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 at the beginning of RCD. The new data is retained in the cache to be generated. DRA bit = 0 enables prefetch. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - E DRA bit). If read look-ahead) is enabled (enabled ...
Cheetah 15K.5 SAS Product Manual
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...than 1 sector in 1021 bits transferred Less than 1 sector in error per this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Recoverable Data errors will use correction, although ECC on-the-fly is not considered for recoverable errors ... from the same cause are applied. Cheetah 15K.5 SAS Product Manual, Rev. E 15 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Recovered Data error rate is determined using write bits transferred for purposes of recovered error specifications.
...than 1 sector in 1021 bits transferred Less than 1 sector in error per this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Recoverable Data errors will use correction, although ECC on-the-fly is not considered for recoverable errors ... from the same cause are applied. Cheetah 15K.5 SAS Product Manual, Rev. E 15 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Recovered Data error rate is determined using write bits transferred for purposes of recovered error specifications.
Cheetah 15K.5 SAS Product Manual
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... number of 1,400,000 hours when operated in an environment that ensures the HDA case temperatures specified in Section 6.4.1 are classified as drive failures. 5.1.4 Interface errors An interface error is defined as a failure of the receiver on a port to recover the data as ...preventive maintenance is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. MTBF = Estimate power-on operating hours in the period Number of drive failures in the period Estimated power-on hours (POH) for a minimum period of six months. Section 6.0 provides temperature measurements and other ...
... number of 1,400,000 hours when operated in an environment that ensures the HDA case temperatures specified in Section 6.4.1 are classified as drive failures. 5.1.4 Interface errors An interface error is defined as a failure of the receiver on a port to recover the data as ...preventive maintenance is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. MTBF = Estimate power-on operating hours in the period Number of drive failures in the period Estimated power-on hours (POH) for a minimum period of six months. Section 6.0 provides temperature measurements and other ...
Cheetah 15K.5 SAS Product Manual
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...hours. attribute data is saved to save the data by using the Rezero Unit command. When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer. It is the responsibility of operation. This technology is intended... to recognize conditions that indicate imminent drive failure and is designed to provide sufficient warning of measuring off -line functions. Controlling S.M.A.R.T. The operating mode of sync.. This allows...
...hours. attribute data is saved to save the data by using the Rezero Unit command. When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer. It is the responsibility of operation. This technology is intended... to recognize conditions that indicate imminent drive failure and is designed to provide sufficient warning of measuring off -line functions. Controlling S.M.A.R.T. The operating mode of sync.. This allows...
Cheetah 15K.5 SAS Product Manual
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...of errors for the current interval. Predictive failures S.M.A.R.T. There is a separate Failure History Counter for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which exceeds the threatening temperature value. Saves a S.M.A.R.T. The temperature is measured at power-up and then at... the Log Select command. To accomplish this information to determine if the warning is due to the temperature exceeding the drive threatening temperature or the user-specified temperature. The thermal monitor system generates a warning code of 01-0B01 when the...
...of errors for the current interval. Predictive failures S.M.A.R.T. There is a separate Failure History Counter for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which exceeds the threatening temperature value. Saves a S.M.A.R.T. The temperature is measured at power-up and then at... the Log Select command. To accomplish this information to determine if the warning is due to the temperature exceeding the drive threatening temperature or the user-specified temperature. The thermal monitor system generates a warning code of 01-0B01 when the...