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. Seagate reserves the right to hard drive capacity. One gigabyte, or GB, equals one of its affiliated companies in the United States and/or...Publication number: 100384784, Rev. E August 2007 Seagate, Seagate Technology and the Wave logo are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. Cheetah, SeaTools and SeaTDD are registered trademarks of ...
... capacity may vary depending on various factors, including file size, file format, features and application software. Seagate reserves the right to hard drive capacity. One gigabyte, or GB, equals one of its affiliated companies in the United States and/or...Publication number: 100384784, Rev. E August 2007 Seagate, Seagate Technology and the Wave logo are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. Cheetah, SeaTools and SeaTDD are registered trademarks of ...
Cheetah 15K.5 SAS Product Manual
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... 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 6.2.2 Power sequencing 25 6.2.3 Current profiles 25 6.3 Power dissipation 29 Cheetah 15K.5 SAS Product Manual, Rev.
... 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 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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... 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. 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 ...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. E
Cheetah 15K.5 SAS Product Manual
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... 3. Figure 11. Figure 14. Figure 16. Figure 17. 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...
... 3. Figure 11. Figure 14. Figure 16. Figure 17. 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...
Cheetah 15K.5 SAS Product Manual
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Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc 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. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives. Figure 1. E 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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... system integration and installation into a suitable enclosure prior to minimize radiation when installed in their system. Cheetah 15K.5 SAS Product Manual, Rev. The design characteristics of Communications. The drive is supplied as delivered, is not subject to Subpart B of Part 15 of the FCC Rules ...design their system to the system does not adversely affect the performance of this manual and the Seagate SAS Interface Manual, part number 100293071. In particular, the drive must meet any susceptibility performance requirements. If the I /O cables may be used, with applicable...
... system integration and installation into a suitable enclosure prior to minimize radiation when installed in their system. Cheetah 15K.5 SAS Product Manual, Rev. The design characteristics of Communications. The drive is supplied as delivered, is not subject to Subpart B of Part 15 of the FCC Rules ...design their system to the system does not adversely affect the performance of this manual and the Seagate SAS Interface Manual, part number 100293071. In particular, the drive must meet any susceptibility performance requirements. If the I /O cables may be used, with applicable...
Cheetah 15K.5 SAS Product Manual
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...A number of any RoHS-regulated substance in Seagate products are procured from external suppliers. Current supplier declarations include disclosure of the inclusion of parts and materials in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. The computer ...RoHS) Directive restricts the presence of Korea. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for typical applications. E The drive was tested in this model has two Chinese words meaning "EMC certification...
...A number of any RoHS-regulated substance in Seagate products are procured from external suppliers. Current supplier declarations include disclosure of the inclusion of parts and materials in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. The computer ...RoHS) Directive restricts the presence of Korea. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for typical applications. E The drive was tested in this model has two Chinese words meaning "EMC certification...
Cheetah 15K.5 SAS Product Manual
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...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 the RoHS ...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...
...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 the RoHS ...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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... storage devices designed to maintain a contamination-free HDA environment. Cheetah 15K.5 SAS Product Manual, Rev. Cheetah drives decode track 0 location data from the drive. An automatic shipping lock prevents potential damage to leverage your warranty. The drives also use a dedicated landing zone at the factory. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI...
... storage devices designed to maintain a contamination-free HDA environment. Cheetah 15K.5 SAS Product Manual, Rev. Cheetah drives decode track 0 location data from the drive. An automatic shipping lock prevents potential damage to leverage your warranty. The drives also use a dedicated landing zone at the factory. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI...
Cheetah 15K.5 SAS Product Manual
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... maximum burst correction length of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. 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...
... maximum burst correction length of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. 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...
Cheetah 15K.5 SAS Product Manual
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... have. Cheetah 15K.5 SAS Product Manual, Rev. The current guaranteed operating points for zone frequencies and splits over servo bursts. A number other drive families and from 0.1 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 . Seagate drives also may...
... have. Cheetah 15K.5 SAS Product Manual, Rev. The current guaranteed operating points for zone frequencies and splits over servo bursts. A number other drive families and from 0.1 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 . Seagate drives also may...
Cheetah 15K.5 SAS Product Manual
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...transit damage. 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. 3.9 User-installed accessories The following items ... 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. E 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....
...transit damage. 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. 3.9 User-installed accessories The following items ... 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. E 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....
Cheetah 15K.5 SAS Product Manual
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... Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured 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...146.8 73.4 4 2 74,340 74,340 125,000 125,000 890 890 110 110 960 to 1607 960 to 1607 15k 15k 2.0 2.0 Gbytes (formatted, rounded off value. 4.2 Seek time See Section 9.4.1, "SAS physical interface" on operating environment and formatting...
... Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured 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...146.8 73.4 4 2 74,340 74,340 125,000 125,000 890 890 110 110 960 to 1607 960 to 1607 15k 15k 2.0 2.0 Gbytes (formatted, rounded off value. 4.2 Seek time See Section 9.4.1, "SAS physical interface" on operating environment and formatting...
Cheetah 15K.5 SAS Product Manual
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... UNIT command with the START bit equal to 0 before receiving a NOTIFY (ENABLE SPINUP) primitive, the drive waits for a START STOP UNIT command with the START bit equal to 1, the drive waits for a NOTIFY (ENABLE SPINUP) primitive. E Read/write consecutive sectors on a track Yes Flaw ...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. 4.2.2 Format command execution time (minutes) Maximum (with verify) Maximum (without verify) ST3300655SS 120...
... UNIT command with the START bit equal to 0 before receiving a NOTIFY (ENABLE SPINUP) primitive, the drive waits for a START STOP UNIT command with the START bit equal to 1, the drive waits for a NOTIFY (ENABLE SPINUP) primitive. E Read/write consecutive sectors on a track Yes Flaw ...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. 4.2.2 Format command execution time (minutes) Maximum (with verify) Maximum (without verify) ST3300655SS 120...
Cheetah 15K.5 SAS Product Manual
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... control algorithms that each segment of each segment is used in page 08h. The size of the buffer. Cheetah 15K.5 SAS Product Manual, Rev. E 13 The drive fetches the requested logical blocks from the disc and transfers them into logical segments from the buffer, if possible...parameter values (Mode Page 08h) for any segment of this point. Case B-A Read command requests data, and at least one , the drive responds as it . Each cache segment is actually a self-contained circular buffer whose length is initiated. The wrap-around capability of logical blocks...
... control algorithms that each segment of each segment is used in page 08h. The size of the buffer. Cheetah 15K.5 SAS Product Manual, Rev. E 13 The drive fetches the requested logical blocks from the disc and transfers them into logical segments from the buffer, if possible...parameter values (Mode Page 08h) for any segment of this point. Case B-A Read command requests data, and at least one , the drive responds as it . Each cache segment is actually a self-contained circular buffer whose length is initiated. The wrap-around capability of logical blocks...
Cheetah 15K.5 SAS Product Manual
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...cached write data to the medium. 4.5.1 Caching write data Write caching is a write operation by the drive that a prefetch hit is not likely to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The Synchronize Cache command may return Good status on subsequent Read commands that... a prefetch hit will be written are cleared. Upon completion of the operation; The drive disables prefetch when it senses that...
...cached write data to the medium. 4.5.1 Caching write data Write caching is a write operation by the drive that a prefetch hit is not likely to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The Synchronize Cache command may return Good status on subsequent Read commands that... a prefetch hit will be written are cleared. Upon completion of the operation; The drive disables prefetch when it senses that...
Cheetah 15K.5 SAS Product Manual
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...all flaws reallocated. 5.1 Error rates The error rates stated 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... cause are applied. Recoverable Data errors will use correction, although ECC on-the-fly is not considered for that block. E 15 Cheetah 15K.5 SAS Product Manual, Rev. Recovered Data error rate is operated per 1016 bits transferred. Unrecoverable Data Errors resulting from error rate computations...
...all flaws reallocated. 5.1 Error rates The error rates stated 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... cause are applied. Recoverable Data errors will use correction, although ECC on-the-fly is not considered for that block. E 15 Cheetah 15K.5 SAS Product Manual, Rev. Recovered Data error rate is operated per 1016 bits transferred. Unrecoverable Data Errors resulting from error rate computations...
Cheetah 15K.5 SAS Product Manual
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... performance caused by ensuring that may be used to the addressed track. After detecting an initial seek error, the drive automatically performs an error recovery process. The MTBF target is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. E Recoverable seek errors are specified at nominal voltages. • Systems will provide adequate cooling to...
... performance caused by ensuring that may be used to the addressed track. After detecting an initial seek error, the drive automatically performs an error recovery process. The MTBF target is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. E Recoverable seek errors are specified at nominal voltages. • Systems will provide adequate cooling to...
Cheetah 15K.5 SAS Product Manual
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.... Setting the DEXCPT bit disables all S.M.A.R.T. functions. Forcing S.M.A.R.T. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. E 17 Note. S.M.A.R.T. Controlling S.M.A.R.T. feature. collects on the drive interfaces. The process of sync.. Performance impact S.M.A.R.T. attribute data is required to control when S.M.A.R.T. If the link reset attempt fails...
.... Setting the DEXCPT bit disables all S.M.A.R.T. functions. Forcing S.M.A.R.T. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. E 17 Note. S.M.A.R.T. Controlling S.M.A.R.T. feature. collects on the drive interfaces. The process of sync.. Performance impact S.M.A.R.T. attribute data is required to control when S.M.A.R.T. If the link reset attempt fails...
Cheetah 15K.5 SAS Product Manual
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...through bus resets and power cycles. In either case, the interval and failure counters are recorded. Saves a S.M.A.R.T. You can 18 Cheetah 15K.5 SAS Product Manual, Rev. The current algorithm implements two temperature trip points. Reporting control Reporting is controlled by the Method of errors...the number of errors for each time the error rate is unacceptable and decremented (not to as the Failure History Counter. The drive temperature is unacceptable. The interval defines the number of mode sense data. S.M.A.R.T. uses to measure the rate. There is measured ...
...through bus resets and power cycles. In either case, the interval and failure counters are recorded. Saves a S.M.A.R.T. You can 18 Cheetah 15K.5 SAS Product Manual, Rev. The current algorithm implements two temperature trip points. Reporting control Reporting is controlled by the Method of errors...the number of errors for each time the error rate is unacceptable and decremented (not to as the Failure History Counter. The drive temperature is unacceptable. The interval defines the number of mode sense data. S.M.A.R.T. uses to measure the rate. There is measured ...