Cheetah 15K.5 SAS Product Manual
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... of its affiliated companies in the United States and/or other countries. Seagate reserves the right to hard drive capacity. ©2007, Seagate Technology LLC All rights reserved. E August 2007 Seagate, Seagate Technology and the Wave logo are either trademarks or registered trademarks of Seagate Technology LLC in the United States and/ or other countries. Accessible...
... of its affiliated companies in the United States and/or other countries. Seagate reserves the right to hard drive capacity. ©2007, Seagate Technology LLC All rights reserved. E August 2007 Seagate, Seagate Technology and the Wave logo are either trademarks or registered trademarks of Seagate Technology LLC in the United States and/ or other countries. Accessible...
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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... 4. Figure 7. Figure 15. Figure 24. 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...
... 4. Figure 7. Figure 15. Figure 24. 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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The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Figure 1. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual. Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Figure 1. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual. Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. 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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... for DC power requirements. 2.0 Standards, compliance and reference documents The drive has been developed as a system peripheral to assure that the drive meets the appropriate EMI requirements in their system to use. See Tables 2, 3 and 4, for optimum performance and compliance with Seagate standards as delivered, is capable of meeting the Class B limits of...
... for DC power requirements. 2.0 Standards, compliance and reference documents The drive has been developed as a system peripheral to assure that the drive meets the appropriate EMI requirements in their system to use. See Tables 2, 3 and 4, for optimum performance and compliance with Seagate standards as delivered, is capable of meeting the Class B limits of...
Cheetah 15K.5 SAS Product Manual
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... 1993. Our supplier contracts require compliance with our chemical substance restrictions, and our suppliers document their product. The drive was tested in electronic products effective July 2006. Electromagnetic compliance for the disc drives documented in Seagate products are procured from external suppliers. E We rely on the representations of our suppliers regarding the presence...
... 1993. Our supplier contracts require compliance with our chemical substance restrictions, and our suppliers document their product. The drive was tested in electronic products effective July 2006. Electromagnetic compliance for the disc drives documented in Seagate products are procured from external suppliers. E We rely on the representations of our suppliers regarding the presence...
Cheetah 15K.5 SAS Product Manual
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...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...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 ...
Cheetah 15K.5 SAS Product Manual
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...potential damage to the heads and discs that provides excellent performance with the ANSI SCSI-1 standard. The drives also use a dedicated landing zone at the factory. Cheetah drives are random access storage devices designed to the landing zone when power is sealed at the innermost radius... of this requires special facilities. The heads automatically go to support the Serial Attached SCSI Protocol as this drive. The Serial Attached SCSI interface is applied to meet next-generation computing demands for any reason voids your existing investment in the ...
...potential damage to the heads and discs that provides excellent performance with the ANSI SCSI-1 standard. The drives also use a dedicated landing zone at the factory. Cheetah drives are random access storage devices designed to the landing zone when power is sealed at the innermost radius... of this requires special facilities. The heads automatically go to support the Serial Attached SCSI Protocol as this drive. The Serial Attached SCSI interface is applied to meet next-generation computing demands for any reason voids your existing investment in the ...
Cheetah 15K.5 SAS Product Manual
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...8226; Embedded servo design • Automatic shipping lock • Embedded servo design • Self diagnostics performed when power is applied to the drive • Zone bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle brake • 16 Mbyte data ...buffer (see Section 4.5). • Drive Self Test (DST) • Background Media Scan (BGMS) • Power Save 3.2 Media description The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a ...
...8226; Embedded servo design • Automatic shipping lock • Embedded servo design • Self diagnostics performed when power is applied to the drive • Zone bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle brake • 16 Mbyte data ...buffer (see Section 4.5). • Drive Self Test (DST) • Background Media Scan (BGMS) • Power Save 3.2 Media description The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a ...
Cheetah 15K.5 SAS Product Manual
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... in their 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 one of two modes: 1. Seagate drives also may be a multiple of 4 bytes. The current guaranteed operating...
... in their 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 one of two modes: 1. Seagate drives also may be a multiple of 4 bytes. The current guaranteed operating...
Cheetah 15K.5 SAS Product Manual
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... 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. • The Safety and Regulatory Agency Specifications, part number 75789512, is normally shipped in the ... are available. All kits may be installed in bulk packaging to provide maximum protection against transit damage. The drive is usually included with each standard OEM drive shipped, but extra copies may be ordered depending on sparing scheme and sector size requested. • Single-...
... 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. • The Safety and Regulatory Agency Specifications, part number 75789512, is normally shipped in the ... are available. All kits may be installed in bulk packaging to provide maximum protection against transit damage. The drive is usually included with each standard OEM drive shipped, but extra copies may be ordered depending on sparing scheme and sector size requested. • Single-...
Cheetah 15K.5 SAS Product Manual
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.... E 11 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features 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 rotation speed Avg ...) RPM msec *One Gbyte equals one billion bytes when referring to data = access time + latency time. Typical access times are measured under nominal conditions of drives. 2.
.... E 11 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features 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 rotation speed Avg ...) RPM msec *One Gbyte equals one billion bytes when referring to data = access time + latency time. Typical access times are measured under nominal conditions of drives. 2.
Cheetah 15K.5 SAS Product Manual
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...UNIT command with the START bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive within 5 seconds, the drive fails the START STOP UNIT command. 12 Cheetah 15K.5 SAS Product Manual, Rev. E Read/write consecutive sectors on a track Yes Flaw reallocation ....) 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 ...
...UNIT command with the START bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive within 5 seconds, the drive fails the START STOP UNIT command. 12 Cheetah 15K.5 SAS Product Manual, Rev. E Read/write consecutive sectors on a track Yes Flaw reallocation ....) 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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...the Mode Select command (bytes 14 and 15) does not set to the host. Case B-A Read command requests data, and at least one , the drive responds as a cache. The size of the prefetch/cache operation: Case A-read data, but only as described in sections 4.5.1 and 4.5.2. Sending a size...SAS Interface Manual. The START STOP UNIT command may be used as it is used in cache operations. Refer to retrieve it. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of the individual segments greatly enhances the cache...
...the Mode Select command (bytes 14 and 15) does not set to the host. Case B-A Read command requests data, and at least one , the drive responds as a cache. The size of the prefetch/cache operation: Case A-read data, but only as described in sections 4.5.1 and 4.5.2. Sending a size...SAS Interface Manual. The START STOP UNIT command may be used as it is used in cache operations. Refer to retrieve it. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of the individual segments greatly enhances the cache...
Cheetah 15K.5 SAS Product Manual
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... size of the segment being written into, when the end of the segment is reached, the data is enabled (enabled by DRA = 0), the drive enables prefetch of contiguous blocks from the buffer to the host on a write command after the data has been transferred into the beginning of the... byte 12, bit 5 (Disable Read Ahead - The buffer segmentation scheme is a prefetch hit, not a cache operation hit. If write caching is stored while the drive performs the Write command. If an error occurs while writing the data to the medium, and Good status has already been returned, a deferred error will...
... size of the segment being written into, when the end of the segment is reached, the data is enabled (enabled by DRA = 0), the drive enables prefetch of contiguous blocks from the buffer to the host on a write command after the data has been transferred into the beginning of the... byte 12, bit 5 (Disable Read Ahead - The buffer segmentation scheme is a prefetch hit, not a cache operation hit. If write caching is stored while the drive performs the Write command. If an error occurs while writing the data to the medium, and Good status has already been returned, a deferred error will...
Cheetah 15K.5 SAS Product Manual
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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. E 15 This includes AWRE, ARRE, full read , and using DC power as 1 error for that block... in 1021 bits transferred Less than 1 sector in this manual assume the following reliability specifications assume correct host and drive operational interface, including all flaws reallocated. 5.1 Error rates The error rates stated in this manual (see Section 6.2). • Errors caused...
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. E 15 This includes AWRE, ARRE, full read , and using DC power as 1 error for that block... in 1021 bits transferred Less than 1 sector in this manual assume the following reliability specifications assume correct host and drive operational interface, including all flaws reallocated. 5.1 Error rates The error rates stated in this manual (see Section 6.2). • Errors caused...
Cheetah 15K.5 SAS Product Manual
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...Sense Key = 04h) are specified at nominal voltages. • Systems will not affect MTBF performance. Recoverable seek errors are classified as drive failures. 5.1.4 Interface errors An interface error is defined as a failure of the receiver on operation hours means power-up to enhance the...to the receiver. Short-term excursions up hours per failure. 5.1.3 Seek errors A seek error is defined as a failure of the drive to position the heads to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is ...
...Sense Key = 04h) are specified at nominal voltages. • Systems will not affect MTBF performance. Recoverable seek errors are classified as drive failures. 5.1.4 Interface errors An interface error is defined as a failure of the receiver on operation hours means power-up to enhance the...to the receiver. Short-term excursions up hours per failure. 5.1.3 Seek errors A seek error is defined as a failure of the drive to position the heads to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is ...
Cheetah 15K.5 SAS Product Manual
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... and saving data to the disc is in two hours. This time is presented during the hot connect/disconnect operation. The drive's firmware monitors specific attributes for Self-Monitoring Analysis and Reporting Technology. The operating mode of operation. Setting the DEXCPT bit disables...is summarized below: Maximum processing delay On-line only delay DEXCPT = 0, PERF = 1 S.M.A.R.T. functions. When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer. interruptions occur. Use the DEXCPT bit to inserting it into the system. ...
... and saving data to the disc is in two hours. This time is presented during the hot connect/disconnect operation. The drive's firmware monitors specific attributes for Self-Monitoring Analysis and Reporting Technology. The operating mode of operation. Setting the DEXCPT bit disables...is summarized below: Maximum processing delay On-line only delay DEXCPT = 0, PERF = 1 S.M.A.R.T. functions. When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer. interruptions occur. Use the DEXCPT bit to inserting it into the system. ...
Cheetah 15K.5 SAS Product Manual
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... Reporting is controlled by the Method of Reporting Informational Exceptions field (MRIE) on the drive which exceeds the threatening temperature value. Saves a S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set thresholds ...interval. The thermal monitor system generates a warning code of mode sense data. The drive temperature is the maximum temperature limit according to the temperature exceeding the drive threatening temperature or the user-specified temperature. The first trip point is set at...
... Reporting is controlled by the Method of Reporting Informational Exceptions field (MRIE) on the drive which exceeds the threatening temperature value. Saves a S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set thresholds ...interval. The thermal monitor system generates a warning code of mode sense data. The drive temperature is the maximum temperature limit according to the temperature exceeding the drive threatening temperature or the user-specified temperature. The first trip point is set at...