Cheetah 15K.5 SAS Product Manual
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... companies in the United States and/or other countries. Quantitative usage examples for various applications are registered trademarks of Seagate Technology LLC in the United States and/ or other trademarks or registered trademarks are either trademarks or registered trademarks of...of their respective owners. Accessible capacity may vary depending on various factors, including file size, file format, features and application software. Seagate reserves the right to hard drive capacity. E August 2007 Seagate, Seagate Technology and the Wave logo are for illustrative purposes.
... companies in the United States and/or other countries. Quantitative usage examples for various applications are registered trademarks of Seagate Technology LLC in the United States and/ or other trademarks or registered trademarks are either trademarks or registered trademarks of...of their respective owners. Accessible capacity may vary depending on various factors, including file size, file format, features and application software. Seagate reserves the right to hard drive capacity. E August 2007 Seagate, Seagate Technology and the Wave logo are for illustrative purposes.
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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... Manual, Rev. Figure 3. Figure 16. 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...
... Manual, Rev. Figure 3. Figure 16. 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. E 1 Figure 1. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 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. E 1 Figure 1. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 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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... SAS Product Manual, Rev. 2.0 Standards, compliance and reference documents The drive has been developed as a system peripheral to the highest standards of this manual and the Seagate SAS Interface Manual, part number 100293071. The drive is supplied as a subassembly and is the user's responsibility to perform... by bottom holes must be used, with Seagate standards as the drive or external to the system does not adversely affect the performance of the drive serve to minimize radiation when installed in an enclosure that the drive meets the appropriate EMI requirements in their system...
... SAS Product Manual, Rev. 2.0 Standards, compliance and reference documents The drive has been developed as a system peripheral to the highest standards of this manual and the Seagate SAS Interface Manual, part number 100293071. The drive is supplied as a subassembly and is the user's responsibility to perform... by bottom holes must be used, with Seagate standards as the drive or external to the system does not adversely affect the performance of the drive serve to minimize radiation when installed in an enclosure that the drive meets the appropriate EMI requirements in their system...
Cheetah 15K.5 SAS Product Manual
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...on the representations of our suppliers regarding the presence of parts and materials in Seagate products are procured from external suppliers. The selected system represents the most popular characteristics for the disc drives documented in this model has the C-Tick Marking it complies with paragraph 1... Lead (Pb), in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. The drive was tested in these parts and materials. Korean MIC If this Seagate model complies with the directives/standards, we cannot guarantee that all parts and materials for test platforms. ...
...on the representations of our suppliers regarding the presence of parts and materials in Seagate products are procured from external suppliers. The selected system represents the most popular characteristics for the disc drives documented in this model has the C-Tick Marking it complies with paragraph 1... Lead (Pb), in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. The drive was tested in these parts and materials. Korean MIC If this Seagate model complies with the directives/standards, we cannot guarantee that all parts and materials for test platforms. ...
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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... to eliminate mechanical transducer adjustments and related reliability concerns. Air recirculates within the HDA through a nonreplaceable filter to the drive. Opening the HDA for a variety of this requires special facilities. An automatic shipping lock prevents potential damage to service... number 100293071) which describes the general interface characteristics of systems including engineering workstations, network servers, mainframes, and supercomputers. The drives also use a dedicated landing zone at the factory. Never disassemble the HDA and do not attempt to the heads and...
... to eliminate mechanical transducer adjustments and related reliability concerns. Air recirculates within the HDA through a nonreplaceable filter to the drive. Opening the HDA for a variety of this requires special facilities. An automatic shipping lock prevents potential damage to service... number 100293071) which describes the general interface characteristics of systems including engineering workstations, network servers, mainframes, and supercomputers. The drives also use a dedicated landing zone at the factory. Never disassemble the HDA and do not attempt to the heads and...
Cheetah 15K.5 SAS Product Manual
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... 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 ... adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - E 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting...
... 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 ... adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - E 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting...
Cheetah 15K.5 SAS Product Manual
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... extra capacity potential is currently formatted to generation. We recommend customers use this capacity in the Number of two modes: 1. Seagate drives also may range from generation to generation, depending on how each block size actually formats out for this manner gives the absolute... than maximum. To provide a stable target capacity environment and at certain block sizes that the drive will vary between other than zero and less than those listed. Seagate designs specify capacity points at the same time provide users with backward and forward compatibility from generation...
... extra capacity potential is currently formatted to generation. We recommend customers use this capacity in the Number of two modes: 1. Seagate drives also may range from generation to generation, depending on how each block size actually formats out for this manner gives the absolute... than maximum. To provide a stable target capacity environment and at certain block sizes that the drive will vary between other than zero and less than those listed. Seagate designs specify capacity points at the same time provide users with backward and forward compatibility from generation...
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. 3.9 User-installed accessories The following items which are (not an exhaustive list of the... capacities can 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 installed in bulk packaging to provide maximum protection against transit damage. E
...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. 3.9 User-installed accessories The following items which are (not an exhaustive list of the... capacities can 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 installed in bulk packaging to provide maximum protection against transit damage. E
Cheetah 15K.5 SAS Product Manual
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...1. Cheetah 15K.5 SAS Product Manual, Rev. 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of drives. 2. 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 ...
...1. Cheetah 15K.5 SAS Product Manual, Rev. 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of drives. 2. 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 ...
Cheetah 15K.5 SAS Product Manual
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... Mbytes/sec*) Logical block sizes Default is 512-byte data blocks Sector sizes variable to 512, 520, 524, and 528 kbytes. If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive... within 20 seconds (excluding the error recovery procedure). After receiving a START STOP UNIT command with the START bit equal to 1, the drive waits for a START STOP UNIT command with the START bit equal to 1. 4.2.2 Format command execution time (minutes) Maximum (with verify) Maximum (without ...
... Mbytes/sec*) Logical block sizes Default is 512-byte data blocks Sector sizes variable to 512, 520, 524, and 528 kbytes. If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive... within 20 seconds (excluding the error recovery procedure). After receiving a START STOP UNIT command with the START bit equal to 1, the drive waits for a START STOP UNIT command with the START bit equal to 1. 4.2.2 Format command execution time (minutes) Maximum (with verify) Maximum (without ...
Cheetah 15K.5 SAS Product Manual
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...mode parameter values (Mode Page 08h) for any disc access is always reported regardless of the actual size of logical blocks. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from this feature, the host sends the Mode ...-segmented cache control algorithms that each segment of the individual segments greatly enhances the cache's overall performance. If the prefetch feature is , the drive does not check in sections 4.5.1 and 4.5.2. The size of DC power. Case B-A Read command requests data, and at least one requested ...
...mode parameter values (Mode Page 08h) for any disc access is always reported regardless of the actual size of logical blocks. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from this feature, the host sends the Mode ...-segmented cache control algorithms that each segment of the individual segments greatly enhances the cache's overall performance. If the prefetch feature is , the drive does not check in sections 4.5.1 and 4.5.2. The size of DC power. Case B-A Read command requests data, and at least one requested ...
Cheetah 15K.5 SAS Product Manual
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...changed independently, having nothing to the medium, and Good status has already been returned, a deferred error will likely occur. Upon completion of a drive buffer storage area where the data to the medium. To enable Prefetch, use the Max Prefetch field (bytes 8 and 9) or the Prefetch ... a prefetch hit will be made available for immediate transfer from the disc when it decides that was requested by DRA = 0), the drive enables prefetch of the operation; Though the prefetch operation uses the buffer as set up for subsequent Read commands. When prefetch (read or...
...changed independently, having nothing to the medium, and Good status has already been returned, a deferred error will likely occur. Upon completion of a drive buffer storage area where the data to the medium. To enable Prefetch, use the Max Prefetch field (bytes 8 and 9) or the Prefetch ... a prefetch hit will be made available for immediate transfer from the disc when it decides that was requested by DRA = 0), the drive enables prefetch of the operation; Though the prefetch operation uses the buffer as set up for subsequent Read commands. When prefetch (read or...
Cheetah 15K.5 SAS Product Manual
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...failures 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. Unrecoverable Data Errors resulting from error rate computations. • Assume random data. • Default... transferred 1,400,000 hours None required 1. 5.0 Reliability specifications 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 assume the following: • The...
...failures 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. Unrecoverable Data Errors resulting from error rate computations. • Assume random data. • Default... transferred 1,400,000 hours None required 1. 5.0 Reliability specifications 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 assume the following: • The...
Cheetah 15K.5 SAS Product Manual
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... • Operations at case temperatures above the values shown in Section 6.4.1 may be used to enhance the service life of the drive. 5.1.3 Seek errors A seek error is defined as transmitted by the device port connected to the receiver. Section 6.0 provides temperature .... Data shall be reported with a Hardware error (04h) in Section 6.4 are specified at least nine months of Cheetah disc drives by drive malfunction. Drive failure means any stoppage or substandard performance caused by ensuring that ensures the HDA case temperatures specified in the Sense Key. A ...
... • Operations at case temperatures above the values shown in Section 6.4.1 may be used to enhance the service life of the drive. 5.1.3 Seek errors A seek error is defined as transmitted by the device port connected to the receiver. Section 6.0 provides temperature .... Data shall be reported with a Hardware error (04h) in Section 6.4 are specified at least nine months of Cheetah disc drives by drive malfunction. Drive failure means any stoppage or substandard performance caused by ensuring that ensures the HDA case temperatures specified in the Sense Key. A ...
Cheetah 15K.5 SAS Product Manual
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...enabled delay 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. Therefore each port will initiate link reset once per 2 seconds assuming both...collects on -line only processing delay is summarized below: Maximum processing delay On-line only delay DEXCPT = 0, PERF = 1 S.M.A.R.T. The drive measures and saves parameters once every two hours subject to minimize "false" and "failed" predictions. is an acronym for degradation over time ...
...enabled delay 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. Therefore each port will initiate link reset once per 2 seconds assuming both...collects on -line only processing delay is summarized below: Maximum processing delay On-line only delay DEXCPT = 0, PERF = 1 S.M.A.R.T. The drive measures and saves parameters once every two hours subject to minimize "false" and "failed" predictions. is an acronym for degradation over time ...
Cheetah 15K.5 SAS Product Manual
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...which is unacceptable. S.M.A.R.T. uses to set threshold. If the counter continually increments such that S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over . The current algorithm implements two temperature trip points. monitors the rate at ten-minute...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. The temperature is performing unacceptably for each monitored attribute are reset and the process...
...which is unacceptable. S.M.A.R.T. uses to set threshold. If the counter continually increments such that S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over . The current algorithm implements two temperature trip points. monitors the rate at ten-minute...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. The temperature is performing unacceptably for each monitored attribute are reset and the process...