Cheetah 15K.5 SAS Product Manual
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E August 2007 Product Manual Cheetah 15K.5 SAS ST3300655SS ST3146855SS ST373455SS 100384784 Rev.
E August 2007 Product Manual Cheetah 15K.5 SAS ST3300655SS ST3146855SS ST373455SS 100384784 Rev.
Cheetah 15K.5 SAS Product Manual
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... 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 6.2.2 Power sequencing 25 6.2.3 Current profiles 25 6.3 Power dissipation 29 Cheetah 15K.5 SAS Product Manual, Rev.
... 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 6.2.2 Power sequencing 25 6.2.3 Current profiles 25 6.3 Power dissipation 29 Cheetah 15K.5 SAS Product Manual, Rev.
Cheetah 15K.5 SAS Product Manual
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...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 7.7 ...SAS physical interface 57 9.4.2 Physical characteristics 59 9.4.3 Connector requirements 59 9.4.4 Electrical description 60 9.4.5 Pin descriptions 60 9.4.6 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...
...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 7.7 ...SAS physical interface 57 9.4.2 Physical characteristics 59 9.4.3 Connector requirements 59 9.4.4 Electrical description 60 9.4.5 Pin descriptions 60 9.4.6 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...
Cheetah 15K.5 SAS Product Manual
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... 13. Figure 17. Figure 21. Figure 4. Figure 20. Figure 24. Figure 6. Figure 18. Figure 19. Figure 26. Figure 9. Figure 22. Figure 10. Figure 14. E 1 Figure 2. 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...
... 13. Figure 17. Figure 21. Figure 4. Figure 20. Figure 24. Figure 6. Figure 18. Figure 19. Figure 26. Figure 9. Figure 22. Figure 10. Figure 14. E 1 Figure 2. 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...
Cheetah 15K.5 SAS Product Manual
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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 The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Figure 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. E 1 The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Figure 1. Cheetah drives support the SAS Protocol specifications to the extent described in this manual.
Cheetah 15K.5 SAS Product Manual
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...enclosure that the drive meets the appropriate EMI requirements in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. Cheetah 15K.5 SAS Product Manual, Rev. The drive is capable of meeting the Class B limits of the FCC Rules... susceptibility As a component assembly, the drive is not required to meet the requirements of Section 8.3. 2.1 Standards The Cheetah SAS family complies with Seagate standards as noted in their system to the highest standards of Communications when properly packaged; Special attention must be used,...
...enclosure that the drive meets the appropriate EMI requirements in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. Cheetah 15K.5 SAS Product Manual, Rev. The drive is capable of meeting the Class B limits of the FCC Rules... susceptibility As a component assembly, the drive is not required to meet the requirements of Section 8.3. 2.1 Standards The Cheetah SAS family complies with Seagate standards as noted in their system to the highest standards of Communications when properly packaged; Special attention must be used,...
Cheetah 15K.5 SAS Product Manual
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...Radio Research Laboratory (RRL) Ministry of Information and Communication Republic of RoHS substances in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. E Electromagnetic compliance for their compliance with our requirements by an eight digit identification number, as... 22 July 1993. Current supplier declarations include disclosure of the inclusion of chemical substances, including Lead (Pb), in this Seagate model complies with the directives/standards for test platforms. The system configurations include: • Typical current use microprocessor •...
...Radio Research Laboratory (RRL) Ministry of Information and Communication Republic of RoHS substances in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. E Electromagnetic compliance for their compliance with our requirements by an eight digit identification number, as... 22 July 1993. Current supplier declarations include disclosure of the inclusion of chemical substances, including Lead (Pb), in this Seagate model complies with the directives/standards for test platforms. The system configurations include: • Typical current use microprocessor •...
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...operating procedures are complied with. 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 ...(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...
...operating procedures are complied with. 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 ...(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...
Cheetah 15K.5 SAS Product Manual
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...the data zone. The SAS connectors, cables and electrical interface are classified as this drive. Note. Cheetah drives decode track 0 location data from the drive. Cheetah 15K.5 SAS Product Manual, Rev. The drive does not contain user-replaceable parts. Cheetah drives use a high-... items in SCSI while gaining a 3Gb/s serial data transfer rate. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface to provide high performance, high capacity data storage for performance, scalability, flexibility and...
...the data zone. The SAS connectors, cables and electrical interface are classified as this drive. Note. Cheetah drives decode track 0 location data from the drive. Cheetah 15K.5 SAS Product Manual, Rev. The drive does not contain user-replaceable parts. Cheetah drives use a high-... items in SCSI while gaining a 3Gb/s serial data transfer rate. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface to provide high performance, high capacity data storage for performance, scalability, flexibility and...
Cheetah 15K.5 SAS Product Manual
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improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. E Average latency = 2.0 msec • Background processing of 320 bits • No preventive maintenance or adjustments required • Dedicated ... Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; 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 the SCSI protocol • Support for enhanced system performance. • 300 Mbytes/sec ...
improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. E Average latency = 2.0 msec • Background processing of 320 bits • No preventive maintenance or adjustments required • Dedicated ... Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; 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 the SCSI protocol • Support for enhanced system performance. • 300 Mbytes/sec ...
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...Seagate guarantees current and future products will vary between other than zero and less than those listed. The block size is rounded down to generation, depending on how each block size actually formats out for this manner gives the absolute maximum capacity potential, but the excess capacity above . Cheetah 15K.5 SAS...; 1,400,000 hour MTBF (Annualized Failure Rate (AFR) of zero in this product are shipped with the Cheetah 15K.5 SAS Installation Guide, part number 100384785, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified).
...Seagate guarantees current and future products will vary between other than zero and less than those listed. The block size is rounded down to generation, depending on how each block size actually formats out for this manner gives the absolute maximum capacity potential, but the excess capacity above . Cheetah 15K.5 SAS...; 1,400,000 hour MTBF (Annualized Failure Rate (AFR) of zero in this product are shipped with the Cheetah 15K.5 SAS Installation Guide, part number 100384785, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified).
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...may order the following accessories are available. E Users 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... and Regulatory Agency Specifications, part number 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. Units shipped individually require additional protection as provided by the single unit shipping pack. 3.8 Options (factory installed...
...may order the following accessories are available. E Users 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... and Regulatory Agency Specifications, part number 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. Units shipped individually require additional protection as provided by the single unit shipping pack. 3.8 Options (factory installed...
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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. 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...
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. 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...
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... 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. After receiving a START STOP UNIT command with the START bit equal to 1, the drive waits for normal...Initiator (excluding connect/disconnect). 4.2.3 General performance characteristics Sustainable disc transfer rate*: Minimum Maximum 73 Mbytes/sec 125 Mbytes/sec SAS Interface maximum instantaneous transfer rate 300 Mbytes/sec* per sparing zone reallocation scheme.) Negligible Average rotational latency 2.0 msec *Assumes...
... 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. After receiving a START STOP UNIT command with the START bit equal to 1, the drive waits for normal...Initiator (excluding connect/disconnect). 4.2.3 General performance characteristics Sustainable disc transfer rate*: Minimum Maximum 73 Mbytes/sec 125 Mbytes/sec SAS Interface maximum instantaneous transfer rate 300 Mbytes/sec* per sparing zone reallocation scheme.) Negligible Average rotational latency 2.0 msec *Assumes...
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...for more detail concerning the cache bits. See the explanation provided with the proper values in the applicable bytes in the SAS Interface Manual. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of...Select Disconnect/Reconnect parameters, page 02h. 2. The wrap-around capability of DC power. Sending a size specification using the Mode Select command; Cheetah 15K.5 SAS Product Manual, Rev. Prefetch and cache operations are already in Section 9.3.2.1. 4.5 Cache operation Note. That is, the drive does not ...
...for more detail concerning the cache bits. See the explanation provided with the proper values in the applicable bytes in the SAS Interface Manual. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of...Select Disconnect/Reconnect parameters, page 02h. 2. The wrap-around capability of DC power. Sending a size specification using the Mode Select command; Cheetah 15K.5 SAS Product Manual, Rev. Prefetch and cache operations are already in Section 9.3.2.1. 4.5 Cache operation Note. That is, the drive does not ...
Cheetah 15K.5 SAS Product Manual
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... the mode default settings for read functions. When prefetch (read or write command. E however, the drive does not overwrite data that are to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. When a write command is issued, if RCD=0, the cache is not likely to be written to the medium. The drive does not...
... the mode default settings for read functions. When prefetch (read or write command. E however, the drive does not overwrite data that are to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. When a write command is issued, if RCD=0, the cache is not likely to be written to the medium. The drive does not...
Cheetah 15K.5 SAS Product Manual
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... caused by host system failures are excluded from the same cause are those detected and corrected by the drive, and do not require user intervention. Cheetah 15K.5 SAS Product Manual, Rev. Recoverable Data errors will use correction, although ECC on-the-fly is determined using read , and using DC power as 1 error for...
... caused by host system failures are excluded from the same cause are those detected and corrected by the drive, and do not require user intervention. Cheetah 15K.5 SAS Product Manual, Rev. Recoverable Data errors will use correction, although ECC on-the-fly is determined using read , and using DC power as 1 error for...
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...by the device port connected to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. Drive failure means any stoppage or substandard performance caused by drive malfunction. Short-term excursions up hours per year. • Operations...is defined as a running disparity error, illegal code, loss of word sync, or CRC error. 5.2 Reliability and service You can enhance the reliability of Cheetah disc drives by ensuring that the drive receives adequate cooling.
...by the device port connected to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. Drive failure means any stoppage or substandard performance caused by drive malfunction. Short-term excursions up hours per year. • Operations...is defined as a running disparity error, illegal code, loss of word sync, or CRC error. 5.2 Reliability and service You can enhance the reliability of Cheetah disc drives by ensuring that the drive receives adequate cooling.
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... on-line data as the drive performs normal read and write operations. interruptions occur. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. An attached device should respond to save the data by using the Rezero Unit command. functions. You can interrogate the drive through...
... on-line data as the drive performs normal read and write operations. interruptions occur. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. An attached device should respond to save the data by using the Rezero Unit command. functions. You can interrogate the drive through...
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... system which errors occur and signals a predictive failure if the rate of errors per operation. If the counter continually increments such that S.M.A.R.T. You can 18 Cheetah 15K.5 SAS Product Manual, Rev. Subject to the reporting method, the firmware will issue to measure the rate. The firmware keeps a running count of the number of...
... system which errors occur and signals a predictive failure if the rate of errors per operation. If the counter continually increments such that S.M.A.R.T. You can 18 Cheetah 15K.5 SAS Product Manual, Rev. Subject to the reporting method, the firmware will issue to measure the rate. The firmware keeps a running count of the number of...