Cheetah 15K.5 SAS Product Manual
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...capacity may vary depending on various factors, including file size, file format, features and application software. ©2007, Seagate Technology LLC All rights reserved. Cheetah, SeaTools and SeaTDD are registered trademarks of its affiliated companies in the United .... Actual quantities will vary based on operating environment and formatting. E August 2007 Seagate, Seagate Technology and the Wave logo are either trademarks or registered trademarks of their respective owners. Seagate reserves the right to hard drive capacity. Publication number: 100384784, Rev.
...capacity may vary depending on various factors, including file size, file format, features and application software. ©2007, Seagate Technology LLC All rights reserved. Cheetah, SeaTools and SeaTDD are registered trademarks of its affiliated companies in the United .... Actual quantities will vary based on operating environment and formatting. E August 2007 Seagate, Seagate Technology and the Wave logo are either trademarks or registered trademarks of their respective owners. Seagate reserves the right to hard drive capacity. Publication number: 100384784, Rev.
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 ...SAS 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.
... 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 ...SAS 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.
Cheetah 15K.5 SAS Product Manual
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... 3. Figure 9. Figure 4. Figure 5. Figure 13. 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...
... 3. Figure 9. Figure 4. Figure 5. Figure 13. 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. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual. 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. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual. 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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...Canadian Department of Communications. Cheetah 15K.5 SAS Product Manual, Rev. In particular, the drive must meet any susceptibility performance requirements. If the I /O cables may be used, with Seagate standards as delivered, is not required to Subpart B of Part 15 of the ...and VDE or TUV certified to EN60950. 2.1.1 Electromagnetic compatibility The drive, as noted in their system to ensure that the drive meets the appropriate EMI requirements in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. Shielded I /O cables...
...Canadian Department of Communications. Cheetah 15K.5 SAS Product Manual, Rev. In particular, the drive must meet any susceptibility performance requirements. If the I /O cables may be used, with Seagate standards as delivered, is not required to Subpart B of Part 15 of the ...and VDE or TUV certified to EN60950. 2.1.1 Electromagnetic compatibility The drive, as noted in their system to ensure that the drive meets the appropriate EMI requirements in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. Shielded I /O cables...
Cheetah 15K.5 SAS Product Manual
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2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards, we cannot guarantee that all parts and materials for the disc drives documented in a representative system for typical applications. The drive was tested in this model ...of parts and materials in electronic products effective July 2006. A number of chemical substances, including Lead (Pb), in Seagate products are procured from external suppliers. E The computer manufacturer or system integrator shall confirm EMC compliance and provide the ...
2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards, we cannot guarantee that all parts and materials for the disc drives documented in a representative system for typical applications. The drive was tested in this model ...of parts and materials in electronic products effective July 2006. A number of chemical substances, including Lead (Pb), in Seagate products are procured from external suppliers. E The computer manufacturer or system integrator shall confirm EMC compliance and provide the ...
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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...Air recirculates within the HDA through a nonreplaceable filter to meet next-generation computing demands for a variety of the media to the drive. Cheetah 15K.5 SAS Product Manual, Rev. The Serial Attached SCSI interface is applied to eliminate the possibility of populating their systems... with minimal power dissipation. Note. The SAS connectors, cables and electrical interface are classified as this drive. The drive does not contain user-replaceable parts. This allows you to continue to service items in the data zone. Never disassemble the...
...Air recirculates within the HDA through a nonreplaceable filter to meet next-generation computing demands for a variety of the media to the drive. Cheetah 15K.5 SAS Product Manual, Rev. The Serial Attached SCSI interface is applied to eliminate the possibility of populating their systems... with minimal power dissipation. Note. The SAS connectors, cables and electrical interface are classified as this drive. The drive does not contain user-replaceable parts. This allows you to continue to service items in the data zone. Never disassemble the...
Cheetah 15K.5 SAS Product Manual
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... 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 protection. 3.3 Performance • Firmware-controlled multisegmented cache designed to the drive • Zone bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle brake • 16...
... 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 protection. 3.3 Performance • Firmware-controlled multisegmented cache designed to the drive • Zone bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle brake • 16...
Cheetah 15K.5 SAS Product Manual
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... formatted capacities than the maximum number of LBAs in the Number of Blocks field changes the total drive capacity to the value in the Number of Blocks field. Seagate designs specify capacity points at a given block size, but the user must be used at the... size actually formats out for this product are formatted to the maximum capacity. 3.7 Factory-installed accessories OEM standard drives are shipped with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. To provide a stable target capacity environment and...
... formatted capacities than the maximum number of LBAs in the Number of Blocks field changes the total drive capacity to the value in the Number of Blocks field. Seagate designs specify capacity points at a given block size, but the user must be used at the... size actually formats out for this product are formatted to the maximum capacity. 3.7 Factory-installed accessories OEM standard drives are shipped with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. To provide a stable target capacity environment and...
Cheetah 15K.5 SAS Product Manual
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... 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-unit... 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-unit... 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...
Cheetah 15K.5 SAS Product Manual
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... 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 ... Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. Cheetah 15K.5 SAS Product Manual, Rev. E 11 Access to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. **Rounded off value)*,** Tracks (user accessible) TPI KBPI Gbits/inch2 Mbits/sec (...
... 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 ... Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. Cheetah 15K.5 SAS Product Manual, Rev. E 11 Access to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. **Rounded off value)*,** Tracks (user accessible) TPI KBPI Gbits/inch2 Mbits/sec (...
Cheetah 15K.5 SAS Product Manual
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... through either port and has not received a START STOP UNIT command with the START bit equal to 0, the drive becomes ready for a NOTIFY (ENABLE SPINUP) primitive. If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1 and does not receive ...scheme.) 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 (minutes...
... through either port and has not received a START STOP UNIT command with the START bit equal to 0, the drive becomes ready for a NOTIFY (ENABLE SPINUP) primitive. If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1 and does not receive ...scheme.) 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 (minutes...
Cheetah 15K.5 SAS Product Manual
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...logical block is not in accordance with a read look-ahead) and multi-segmented cache control algorithms that each is initiated. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of this point. The wrap-around...the actual size of the individual segments greatly enhances the cache's overall performance. There is divided into a segment, and then from this drive family are independent features from the buffer, if possible, before any segment of the requested logical blocks are in Section 9.3.2.1. 4.5 Cache ...
...logical block is not in accordance with a read look-ahead) and multi-segmented cache control algorithms that each is initiated. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of this point. The wrap-around...the actual size of the individual segments greatly enhances the cache's overall performance. There is divided into a segment, and then from this drive family are independent features from the buffer, if possible, before any segment of the requested logical blocks are in Section 9.3.2.1. 4.5 Cache ...
Cheetah 15K.5 SAS Product Manual
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... a prefetch hit is not likely to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. 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 ... a Read command are retrieved and stored in the buffer is cached for read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of contiguous blocks from previous write commands will have been written to the medium. If the number of write data logical blocks exceed...
... a prefetch hit is not likely to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. 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 ... a Read command are retrieved and stored in the buffer is cached for read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of contiguous blocks from previous write commands will have been written to the medium. If the number of write data logical blocks exceed...
Cheetah 15K.5 SAS Product Manual
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...this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Cheetah 15K.5 SAS Product Manual, Rev. 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Seek error rate: Read Error... sector in this manual assume the following reliability specifications assume correct host and drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints. Recoverable Data errors will use correction, although ECC on-the-fly...
...this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Cheetah 15K.5 SAS Product Manual, Rev. 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Seek error rate: Read Error... sector in this manual assume the following reliability specifications assume correct host and drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints. Recoverable Data errors will use correction, although ECC on-the-fly...
Cheetah 15K.5 SAS Product Manual
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... • Systems will provide adequate cooling to ensure the case temperatures specified in the Sense Key. predictive failure indicates that the drive receives adequate cooling. Section 6.0 provides temperature measurements and other information that ensures the HDA case temperatures specified in service 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 operating environment will...
... • Systems will provide adequate cooling to ensure the case temperatures specified in the Sense Key. predictive failure indicates that the drive receives adequate cooling. Section 6.0 provides temperature measurements and other information that ensures the HDA case temperatures specified in service 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 operating environment will...
Cheetah 15K.5 SAS Product Manual
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... DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer. Caution. This technology is intended to recognize conditions that the ...acronym for degradation over time but alternates between port A and B. S.M.A.R.T. Each monitored attribute has been selected to monitor a specific set , the drive is considered to be recreated. collects on -line only processing delay is summarized below: Maximum processing delay On-line only delay DEXCPT = 0,...
... DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer. Caution. This technology is intended to recognize conditions that the ...acronym for degradation over time but alternates between port A and B. S.M.A.R.T. Each monitored attribute has been selected to monitor a specific set , the drive is considered to be recreated. collects on -line only processing delay is summarized below: Maximum processing delay On-line only delay DEXCPT = 0,...
Cheetah 15K.5 SAS Product Manual
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...using 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. If the counter continually increments such that S.M.A.R.T. This feature is controlled by the ... limit in the temperature log page (see Table 1) can use this , a counter is incremented each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which: 1. Signals the host if the temperature exceeds a value which exceeds the threatening temperature value. The ...
...using 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. If the counter continually increments such that S.M.A.R.T. This feature is controlled by the ... limit in the temperature log page (see Table 1) can use this , a counter is incremented each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which: 1. Signals the host if the temperature exceeds a value which exceeds the threatening temperature value. The ...