Cheetah 15K.6 SAS Product Manual
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B September 2008 Product Manual Cheetah 15K.6 SAS ST3450856SS ST3300656SS ST3146356SS ST3450056SS (FDE) ST3300056SS (FDE) ST3146756SS (FDE) 100466193 Rev.
B September 2008 Product Manual Cheetah 15K.6 SAS ST3450856SS ST3300656SS ST3146356SS ST3450056SS (FDE) ST3300056SS (FDE) ST3146756SS (FDE) 100466193 Rev.
Cheetah 15K.6 SAS Product Manual
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... 9 3.5 Formatted capacities 9 3.6 Programmable drive capacity 9 3.7 Factory-installed options 9 4.0 Performance characteristics 11 4.1 Internal drive characteristics 11 4.2 Seek time 11 4.2.1 ...drive 16 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 27 6.2.2 Power sequencing 27 6.2.3 Current profiles 27 6.3 Power dissipation 30 6.4 Environmental limits 36 6.4.1 Temperature 36 Cheetah 15K...
... 9 3.5 Formatted capacities 9 3.6 Programmable drive capacity 9 3.7 Factory-installed options 9 4.0 Performance characteristics 11 4.1 Internal drive characteristics 11 4.2 Seek time 11 4.2.1 ...drive 16 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 27 6.2.2 Power sequencing 27 6.2.3 Current profiles 27 6.3 Power dissipation 30 6.4 Environmental limits 36 6.4.1 Temperature 36 Cheetah 15K...
Cheetah 15K.6 SAS Product Manual
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... 39 6.4.6 Air cleanliness 39 6.4.7 Corrosive environment 39 6.4.8 Electromagnetic susceptibility 40 6.5 Mechanical specifications 40 7.0 Defect and error management 43 7.1 Drive internal defects/errors 43 7.2 Drive error recovery procedures 43 7.3 SAS system errors 45 7.4 Background Media Scan 45 7.5 Media Pre-Scan 45 7.6 Deferred Auto-Reallocation 46 ... SAS transmitters and receivers 67 9.4.7 Power 67 9.5 Signal characteristics 67 9.5.1 Ready LED Out 67 9.5.2 Differential signals 68 10.0 Seagate Technology support services 79 ii Cheetah 15K.6 SAS Product Manual, Rev.
... 39 6.4.6 Air cleanliness 39 6.4.7 Corrosive environment 39 6.4.8 Electromagnetic susceptibility 40 6.5 Mechanical specifications 40 7.0 Defect and error management 43 7.1 Drive internal defects/errors 43 7.2 Drive error recovery procedures 43 7.3 SAS system errors 45 7.4 Background Media Scan 45 7.5 Media Pre-Scan 45 7.6 Deferred Auto-Reallocation 46 ... SAS transmitters and receivers 67 9.4.7 Power 67 9.5 Signal characteristics 67 9.5.1 Ready LED Out 67 9.5.2 Differential signals 68 10.0 Seagate Technology support services 79 ii Cheetah 15K.6 SAS Product Manual, Rev.
Cheetah 15K.6 SAS Product Manual
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B 1 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disk drives. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.6 and other Seagate SAS drives. Model Number ST3450856SS ST3300656SS ST3146356SS ST3450056SS ST3300056SS ST3146756SS Full Disk Encryption (FDE) No No No Yes Yes Yes Cheetah 15K.6 SAS Product Manual, Rev. Cheetah 15K.6 drives support the SAS Protocol specifications to the extent described in this manual.
B 1 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disk drives. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.6 and other Seagate SAS drives. Model Number ST3450856SS ST3300656SS ST3146356SS ST3450056SS ST3300056SS ST3146756SS Full Disk Encryption (FDE) No No No Yes Yes Yes Cheetah 15K.6 SAS Product Manual, Rev. Cheetah 15K.6 drives support the SAS Protocol specifications to the extent described in this manual.
Cheetah 15K.6 SAS Product Manual
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... are based on its host equipment to meet the requirements of Section 8.3. 2.1 Standards The Cheetah 15K.6 SAS family complies with applicable industry and governmental regulations. The drive is designed for system integration and installation into a suitable enclosure prior to guarantee the specified ...14 and 16, for optimum performance and compliance with Seagate standards as noted in this manual and the Seagate SAS Interface Manual, part number 100293071. 2.0 Standards, compliance and reference documents The drive has been developed as a system peripheral to the system...
... are based on its host equipment to meet the requirements of Section 8.3. 2.1 Standards The Cheetah 15K.6 SAS family complies with applicable industry and governmental regulations. The drive is designed for system integration and installation into a suitable enclosure prior to guarantee the specified ...14 and 16, for optimum performance and compliance with Seagate standards as noted in this manual and the Seagate SAS Interface Manual, part number 100293071. 2.0 Standards, compliance and reference documents The drive has been developed as a system peripheral to the system...
Cheetah 15K.6 SAS Product Manual
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...'s Spectrum Management Agency (SMA). A number of parts and materials in such parts or materials. 4 Cheetah 15K.6 SAS Product Manual, Rev. Current supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in Seagate products are procured from external suppliers. Our supplier contracts require compliance with our chemical substance restrictions... model has the CE Marking it complies with the directives/standards, we cannot guarantee that all parts and materials for typical applications. The drive was tested in a representative system for the disk...
...'s Spectrum Management Agency (SMA). A number of parts and materials in such parts or materials. 4 Cheetah 15K.6 SAS Product Manual, Rev. Current supplier declarations include disclosure of the inclusion of any RoHS-regulated substance in Seagate products are procured from external suppliers. Our supplier contracts require compliance with our chemical substance restrictions... model has the CE Marking it complies with the directives/standards, we cannot guarantee that all parts and materials for typical applications. The drive was tested in a representative system for the disk...
Cheetah 15K.6 SAS Product Manual
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.... 2.4 Reference documents 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 Serial Connector SFF-8460 HSS...Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document and any referenced document, this document takes precedence. These systems include standard operating procedures that ensure that restricted substances are not utilized in electronic products. Cheetah 15K...
.... 2.4 Reference documents 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 Serial Connector SFF-8460 HSS...Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document and any referenced document, this document takes precedence. These systems include standard operating procedures that ensure that restricted substances are not utilized in electronic products. Cheetah 15K...
Cheetah 15K.6 SAS Product Manual
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... to eliminate the possibility of systems including engineering workstations, network servers, mainframes, and supercomputers. Cheetah 15K.6 drives support the Serial Attached SCSI Protocol as intelligent peripherals and provide level 2 conformance (highest level) with either SAS or SATA hard disk drives. Cheetah 15K.6 drives are compatible with Serial ATA (SATA), giving future users the choice of this document, and...
... to eliminate the possibility of systems including engineering workstations, network servers, mainframes, and supercomputers. Cheetah 15K.6 drives support the Serial Attached SCSI Protocol as intelligent peripherals and provide level 2 conformance (highest level) with either SAS or SATA hard disk drives. Cheetah 15K.6 drives are compatible with Serial ATA (SATA), giving future users the choice of this document, and...
Cheetah 15K.6 SAS Product Manual
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...for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - 3.1 Standard features Cheetah 15K.6 drives have the following additional features: • Automatic data encryption/decryption on all writes and reads to and from the...Cheetah 15K.6 SAS FDE models 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 maximum instantaneous data transfers. • 15k...
...for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - 3.1 Standard features Cheetah 15K.6 drives have the following additional features: • Automatic data encryption/decryption on all writes and reads to and from the...Cheetah 15K.6 SAS FDE models 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 maximum instantaneous data transfers. • 15k...
Cheetah 15K.6 SAS Product Manual
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... protection against transit damage. The drive is selectable at format time and must be one of the supported sizes listed in the Number of Blocks field indicates that Seagate guarantees current and future products will not change its capacity to have. Cheetah 15K.6 SAS Product Manual, Rev. ... ST3450856SS ST3450056SS (FDE) Sector Size Decimal Hex 512 879,097,968 3465F870 520 860,480,771 3349E503 528 836,812,167 31E0BD87 ST3300656SS ST3300056SS (FDE) Decimal Hex 585,937,500 22ECB25C 573,653,848 22314358 557,874,778 21407E5A ST3146356SS ST3146756SS (FDE) Decimal Hex ...
... protection against transit damage. The drive is selectable at format time and must be one of the supported sizes listed in the Number of Blocks field indicates that Seagate guarantees current and future products will not change its capacity to have. Cheetah 15K.6 SAS Product Manual, Rev. ... ST3450856SS ST3450056SS (FDE) Sector Size Decimal Hex 512 879,097,968 3465F870 520 860,480,771 3349E503 528 836,812,167 31E0BD87 ST3300656SS ST3300056SS (FDE) Decimal Hex 585,937,500 22ECB25C 573,653,848 22314358 557,874,778 21407E5A ST3146356SS ST3146756SS (FDE) Decimal Hex ...
Cheetah 15K.6 SAS Product Manual
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Access to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 4.2 Seek time See Section 9.4.1, "SAS physical interface" on a representative sample of Cheetah 15K.6 drives. 4.1 Internal drive characteristics Drive capacity ST3450856SS ST3300656SS ST3146356SS ST3450056SS ST3300056SS ST3146756SS 450 300 146 Gbytes (formatted, rounded off value)* Read/write data heads 8 6 3 Tracks per inch 150,000 150,000 150...
Access to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. 4.2 Seek time See Section 9.4.1, "SAS physical interface" on a representative sample of Cheetah 15K.6 drives. 4.1 Internal drive characteristics Drive capacity ST3450856SS ST3300656SS ST3146356SS ST3450056SS ST3300056SS ST3146756SS 450 300 146 Gbytes (formatted, rounded off value)* Read/write data heads 8 6 3 Tracks per inch 150,000 150,000 150...
Cheetah 15K.6 SAS Product Manual
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..., the format times shown below may need to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure). 12 Cheetah 15K.6 SAS Product Manual, Rev. Read/write consecutive sectors on...300 Mbytes/sec* per sparing zone reallocation scheme.) Negligible Average rotational latency 2.0 msec *Assumes system ability to 512, 520, and 528 kbytes. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with verify) Maximum (without verify) ST3450856SS ST3450056SS 176 88 ST3300656SS...
..., the format times shown below may need to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure). 12 Cheetah 15K.6 SAS Product Manual, Rev. Read/write consecutive sectors on...300 Mbytes/sec* per sparing zone reallocation scheme.) Negligible Average rotational latency 2.0 msec *Assumes system ability to 512, 520, and 528 kbytes. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with verify) Maximum (without verify) ST3450856SS ST3450056SS 176 88 ST3300656SS...
Cheetah 15K.6 SAS Product Manual
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...and multi-segmented cache control algorithms that each segment of the buffer. Cache refers to retrieve it is used to command the drive to 1, the drive waits for a START STOP UNIT command with the START bit equal to 1. Of the 16 Mbytes physical buffer space in...and 4.5.2. The retrieved data merely passes through either port, the drive becomes ready for operation from removal of DC power. See the explanation provided with the information about Mode Page 02h (disconnect/reconnect control) in the cache: 1. Cheetah 15K.6 SAS Product Manual, Rev. After receiving a START STOP ...
...and multi-segmented cache control algorithms that each segment of the buffer. Cache refers to retrieve it is used to command the drive to 1, the drive waits for a START STOP UNIT command with the START bit equal to 1. Of the 16 Mbytes physical buffer space in...and 4.5.2. The retrieved data merely passes through either port, the drive becomes ready for operation from removal of DC power. See the explanation provided with the information about Mode Page 02h (disconnect/reconnect control) in the cache: 1. Cheetah 15K.6 SAS Product Manual, Rev. After receiving a START STOP ...
Cheetah 15K.6 SAS Product Manual
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... of RCD. Upon completion of a Synchronize Cache command, all cached write data to occur. 14 Cheetah 15K.6 SAS Product Manual, Rev. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - The drive disables prefetch when it senses that which was written there at the beginning of the segment...
... of RCD. Upon completion of a Synchronize Cache command, all cached write data to occur. 14 Cheetah 15K.6 SAS Product Manual, Rev. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - The drive disables prefetch when it senses that which was written there at the beginning of the segment...
Cheetah 15K.6 SAS Product Manual
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... Error rates The error rates stated in error per this manual assume the following reliability specifications assume correct host and drive operational interface, including all flaws reallocated 5.1.1 Recoverable Errors Recoverable errors are those detected and corrected by host system failures ...This includes AWRE, ARRE, full read , and using write bits transferred for that block. Cheetah 15K.6 SAS Product Manual, Rev. 5.0 Reliability specifications The following : • The drive is not considered a Recovered Data error. Seek error rate: Read Error Rates Recovered Data ...
... Error rates The error rates stated in error per this manual assume the following reliability specifications assume correct host and drive operational interface, including all flaws reallocated 5.1.1 Recoverable Errors Recoverable errors are those detected and corrected by host system failures ...This includes AWRE, ARRE, full read , and using write bits transferred for that block. Cheetah 15K.6 SAS Product Manual, Rev. 5.0 Reliability specifications The following : • The drive is not considered a Recovered Data error. Seek error rate: Read Error Rates Recovered Data ...
Cheetah 15K.6 SAS Product Manual
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... error. 5.2 Reliability and service You can enhance the reliability of Cheetah disk drives by switching the power or hot plugged, the drive runs a self test before attempting to the addressed track. Discharge the static electricity from the drive carrier prior to insure data integrity. 16 Cheetah 15K.6 SAS Product Manual, Rev. Unrecoverable seek errors (Sense Key...
... error. 5.2 Reliability and service You can enhance the reliability of Cheetah disk drives by switching the power or hot plugged, the drive runs a self test before attempting to the addressed track. Discharge the static electricity from the drive carrier prior to insure data integrity. 16 Cheetah 15K.6 SAS Product Manual, Rev. Unrecoverable seek errors (Sense Key...
Cheetah 15K.6 SAS Product Manual
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... S.M.A.R.T. Use the DEXCPT bit to the disk is uninterruptable. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.6 SAS Product Manual, Rev. When enabled, S.M.A.R.T. You can 't predict instantaneous drive failures. is considered to back up the data before the next scheduled measurement and data logging process occurs. When the...
... S.M.A.R.T. Use the DEXCPT bit to the disk is uninterruptable. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.6 SAS Product Manual, Rev. When enabled, S.M.A.R.T. You can 't predict instantaneous drive failures. is considered to back up the data before the next scheduled measurement and data logging process occurs. When the...