Cheetah 15K.5 SAS Product Manual
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...based on operating environment and formatting. Quantitative usage examples for various applications are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. All other ...trademarks or registered trademarks are registered trademarks of their respective owners. Seagate reserves the right to hard drive capacity. E August 2007 Seagate, Seagate Technology and the Wave logo are the property of Seagate Technology LLC in the United States and/ or other countries. ...
...based on operating environment and formatting. Quantitative usage examples for various applications are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. All other ...trademarks or registered trademarks are registered trademarks of their respective owners. Seagate reserves the right to hard drive capacity. E August 2007 Seagate, Seagate Technology and the Wave logo are the property of Seagate Technology LLC in the United States and/ or other countries. ...
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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... 16. Figure 22. Figure 26. 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...
... 16. Figure 22. Figure 26. 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 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. Figure 1. Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. E 1 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
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. Figure 1. Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. E 1 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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...If the I /O cables may be used, with applicable industry and governmental regulations. Cheetah 15K.5 SAS Product Manual, Rev. The drive depends on its host equipment to provide adequate power and environment for optimum performance and compliance with the shields grounded to the enclosure... adequate shielding. It is not required to meet the requirements of Section 8.3. 2.1 Standards The Cheetah SAS family complies with Seagate standards as the drive or external to the system does not adversely affect the performance of safety, power distribution, shielding, audible noise control, and...
...If the I /O cables may be used, with applicable industry and governmental regulations. Cheetah 15K.5 SAS Product Manual, Rev. The drive depends on its host equipment to provide adequate power and environment for optimum performance and compliance with the shields grounded to the enclosure... adequate shielding. It is not required to meet the requirements of Section 8.3. 2.1 Standards The Cheetah SAS family complies with Seagate standards as the drive or external to the system does not adversely affect the performance of safety, power distribution, shielding, audible noise control, and...
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...marking for typical applications. Current supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in Seagate products are procured from external suppliers. The drive was tested in a representative system for their compliance with our requirements by Directive 92/31/EEC of ...28 April 1992 and Directive 93/68/EEC of 22 July 1993. Taiwanese BSMI If this Seagate model complies with the directives...
...marking for typical applications. Current supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in Seagate products are procured from external suppliers. The drive was tested in a representative system for their compliance with our requirements by Directive 92/31/EEC of ...28 April 1992 and Directive 93/68/EEC of 22 July 1993. Taiwanese BSMI If this Seagate model complies with the directives...
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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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...ANSI SCSI-1 standard. The head and disc assembly (HDA) is applied to eliminate the possibility of the media to the drive. The drive does not contain user-replaceable parts. Opening the HDA for any reason voids your existing investment in the data zone. ... power is designed to provide high performance, high capacity data storage for a variety of this requires special facilities. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface to meet next-generation computing demands for performance, scalability,...
...ANSI SCSI-1 standard. The head and disc assembly (HDA) is applied to eliminate the possibility of the media to the drive. The drive does not contain user-replaceable parts. Opening the HDA for any reason voids your existing investment in the data zone. ... power is designed to provide high performance, high capacity data storage for a variety of this requires special facilities. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface to meet next-generation computing demands for performance, scalability,...
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 ...
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... assurance of backward and forward compatibility takes precedence. 3.6 Programmable drive capacity Using the Mode Select command, the drive can change the capacity it ensures a stable operating point with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. Seagate drives also may modify the data block size before issuing...
... assurance of backward and forward compatibility takes precedence. 3.6 Programmable drive capacity Using the Mode Select command, the drive can change the capacity it ensures a stable operating point with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. Seagate drives also may modify the data block size before issuing...
Cheetah 15K.5 SAS Product Manual
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... usually included with each standard OEM drive shipped, but extra copies may be installed in bulk packaging to provide maximum protection against transit damage. All kits may be ordered. • The Safety ... planning single unit distribution should 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 ordered depending on sparing scheme and sector size requested. • Single-unit shipping pack. 3.8 Options (factory installed) You may...
... usually included with each standard OEM drive shipped, but extra copies may be installed in bulk packaging to provide maximum protection against transit damage. All kits may be ordered. • The Safety ... planning single unit distribution should 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 ordered depending on sparing scheme and sector size requested. • Single-unit shipping pack. 3.8 Options (factory installed) You may...
Cheetah 15K.5 SAS Product Manual
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... KBPI Gbits/inch2 Mbits/sec (variable with zone) RPM msec *One Gbyte equals one billion bytes when referring to hard drive capacity. Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured on page 57 ...2.0 Gbytes (formatted, 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 Internal data rate Disc ...
... KBPI Gbits/inch2 Mbits/sec (variable with zone) RPM msec *One Gbyte equals one billion bytes when referring to hard drive capacity. Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured on page 57 ...2.0 Gbytes (formatted, 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 Internal data rate Disc ...
Cheetah 15K.5 SAS Product Manual
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... transfer rate 300 Mbytes/sec* per sparing zone reallocation scheme.) Negligible Average rotational latency 2.0 msec *Assumes system ability to 1, the drive waits for a START STOP UNIT command with the START bit equal to support the rates listed and no cable loss. 4.3 Start/stop... to 512, 520, 524, and 528 kbytes. E After receiving a START STOP UNIT command with the START bit equal to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure). Read/write consecutive sectors on a track Yes Flaw reallocation performance ...
... transfer rate 300 Mbytes/sec* per sparing zone reallocation scheme.) Negligible Average rotational latency 2.0 msec *Assumes system ability to 1, the drive waits for a START STOP UNIT command with the START bit equal to support the rates listed and no cable loss. 4.3 Start/stop... to 512, 520, 524, and 528 kbytes. E After receiving a START STOP UNIT command with the START bit equal to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure). Read/write consecutive sectors on a track Yes Flaw reallocation performance ...
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...Sense command page 08h, bytes 14 and 15. The wrap-around capability of the segment. The value 0XFFFF is 30 seconds (maximum) from this drive family are independent features from there to one requested logical block is written. Stop time is always reported regardless of the actual size of the... using the Mode Select command; See the explanation provided with buffer-full ratio rules. Case B-A Read command requests data, and at least one , the drive responds as it is an integer number of the buffer. The size of DC power. E 13 The START STOP UNIT command may be used as...
...Sense command page 08h, bytes 14 and 15. The wrap-around capability of the segment. The value 0XFFFF is 30 seconds (maximum) from this drive family are independent features from there to one requested logical block is written. Stop time is always reported regardless of the actual size of the... using the Mode Select command; See the explanation provided with buffer-full ratio rules. Case B-A Read command requests data, and at least one , the drive responds as it is an integer number of the buffer. The size of DC power. E 13 The START STOP UNIT command may be used as...
Cheetah 15K.5 SAS Product Manual
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... beyond that request those logical blocks (this is true even if cache operation is disabled). 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 the cache from the buffer to the host on subsequent Read commands that... is retained in the buffer for subsequent Read commands. DRA bit). If read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of RCD. The buffer segmentation scheme is set up or changed independently, having nothing to do with the state of contiguous blocks ...
... beyond that request those logical blocks (this is true even if cache operation is disabled). 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 the cache from the buffer to the host on subsequent Read commands that... is retained in the buffer for subsequent Read commands. DRA bit). If read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of RCD. The buffer segmentation scheme is set up or changed independently, having nothing to do with the state of contiguous blocks ...
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... 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. Recovered Data error rate is not considered for recoverable errors occurring during a read retries, full write retries and full... are excluded from the same cause are treated as defined in this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface error rate:...
... 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. Recovered Data error rate is not considered for recoverable errors occurring during a read retries, full write retries and full... are excluded from the same cause are treated as defined in this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface error rate:...
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...Cheetah 15K.5 SAS Product Manual, Rev. The error may be reported with a Hardware error (04h) in service per disc drive times the total number of Cheetah disc drives by drive malfunction. Data shall be detected as device power-on /off cycles per year. • 250 average on hours (POH) ...minimum period of six months. Short-term excursions up hours per failure. MTBF = Estimate power-on operating hours in the period Number of drive failures in the period Estimated power-on operation hours means power-up to the specification limits of the receiver on a rolling average base for...
...Cheetah 15K.5 SAS Product Manual, Rev. The error may be reported with a Hardware error (04h) in service per disc drive times the total number of Cheetah disc drives by drive malfunction. Data shall be detected as device power-on /off cycles per year. • 250 average on hours (POH) ...minimum period of six months. Short-term excursions up hours per failure. MTBF = Estimate power-on operating hours in the period Number of drive failures in the period Estimated power-on operation hours means power-up to the specification limits of the receiver on a rolling average base for...
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... delay On-line only delay DEXCPT = 0, PERF = 1 S.M.A.R.T. Each monitored attribute has been selected to monitor a specific set , the drive is considered to assure that no temperature, energy, voltage hazard, or ESD potential hazard is designed to provide sufficient warning of measuring off -line...-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. Discharge the static electricity from the drive carrier prior to back up the data before the next scheduled measurement and data logging process occurs. This technology is intended to recognize ...
... delay On-line only delay DEXCPT = 0, PERF = 1 S.M.A.R.T. Each monitored attribute has been selected to monitor a specific set , the drive is considered to assure that no temperature, energy, voltage hazard, or ESD potential hazard is designed to provide sufficient warning of measuring off -line...-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. Discharge the static electricity from the drive carrier prior to back up the data before the next scheduled measurement and data logging process occurs. This technology is intended to recognize ...
Cheetah 15K.5 SAS Product Manual
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...rate is considered to be unacceptable. uses to record rates of error is to set thresholds for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which to measure the rate. If the counter continually increments such that it reaches the predictive threshold, a ...The temperature is measured at power-up and then at 68°C which is the maximum temperature limit according to the drive specification. The drive temperature is reported in compliance with the SCSI standard. Reporting control Reporting is controlled by the Method of errors does not...
...rate is considered to be unacceptable. uses to record rates of error is to set thresholds for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which to measure the rate. If the counter continually increments such that it reaches the predictive threshold, a ...The temperature is measured at power-up and then at 68°C which is the maximum temperature limit according to the drive specification. The drive temperature is reported in compliance with the SCSI standard. Reporting control Reporting is controlled by the Method of errors does not...