SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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... • Transaction processing • Storage area networks • Network attached storage • Internet and e-commerce Seagate Barracuda ES.2 SAS Drives Designed for high-capacity enterprise storage applications in GBs/watt at idle. Eco-friendly • PowerTrim™ technology provides 62 percent improvement in the tier 2 ...Mainstream enterprise applications • File and print • Blade servers • Rack and tower servers • Storage arrays Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for Tier 2 nearline applications.
... • Transaction processing • Storage area networks • Network attached storage • Internet and e-commerce Seagate Barracuda ES.2 SAS Drives Designed for high-capacity enterprise storage applications in GBs/watt at idle. Eco-friendly • PowerTrim™ technology provides 62 percent improvement in the tier 2 ...Mainstream enterprise applications • File and print • Blade servers • Rack and tower servers • Storage arrays Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for Tier 2 nearline applications.
Cheetah 15K.5 Product Overview
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...; Decision support • Storage Area Networks (SAN) • Networked Attached Storage (NAS) • Internet and e-commerce Product Overview Cheetah 15K.5 Best price/performance, lowest cost of ownership disc drive 300, 146 and 73GB • 15K RPM • Ultra320 SCSI 3 Gbit/sec SAS • 4 Gbit/sec FC Key Features and Benefits • Perpendicular recording is...
...; Decision support • Storage Area Networks (SAN) • Networked Attached Storage (NAS) • Internet and e-commerce Product Overview Cheetah 15K.5 Best price/performance, lowest cost of ownership disc drive 300, 146 and 73GB • 15K RPM • Ultra320 SCSI 3 Gbit/sec SAS • 4 Gbit/sec FC Key Features and Benefits • Perpendicular recording is...
Cheetah 15K.5 Product Overview
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... reliability. • Cheetah 15K.5 drives offer lasting value, ensuring systems can keep up with fewer drives, significantly reducing total cost of any 3.5-inch drives in the most reliable ever; www.seagate.com 1-800-732-4283 (1-800-SEAGATE) Specifications Capacity (GB) 300, 146, 73 Seek Time, Read/Write (average, msec) 3.5/4.0 Transfer Rate, Sustained (Mbytes/sec) Up to hard drive capacity. Accessible capacity...
... reliability. • Cheetah 15K.5 drives offer lasting value, ensuring systems can keep up with fewer drives, significantly reducing total cost of any 3.5-inch drives in the most reliable ever; www.seagate.com 1-800-732-4283 (1-800-SEAGATE) Specifications Capacity (GB) 300, 146, 73 Seek Time, Read/Write (average, msec) 3.5/4.0 Transfer Rate, Sustained (Mbytes/sec) Up to hard drive capacity. Accessible capacity...
Cheetah 15K.5 Data Sheet
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... e-commerce Data Sheet Cheetah® 15K.5 Mainstream enterprise hard drive storage 300, 146 and 73 GB • 15K RPM • Ultra320 SCSI, 3-Gb/s Serial Attached SCSI (SAS) and 4-Gb/s FC Key Advantages • Perpendicular recording is fundamentally superior, enabling 300-GB capacity with 30 percent higher sustained data rate. • The Seagate® Cheetah® 15K.5 drive is the first drive to break the 100...
... e-commerce Data Sheet Cheetah® 15K.5 Mainstream enterprise hard drive storage 300, 146 and 73 GB • 15K RPM • Ultra320 SCSI, 3-Gb/s Serial Attached SCSI (SAS) and 4-Gb/s FC Key Advantages • Perpendicular recording is fundamentally superior, enabling 300-GB capacity with 30 percent higher sustained data rate. • The Seagate® Cheetah® 15K.5 drive is the first drive to break the 100...
Cheetah 15K.5 Data Sheet
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...73.4 GB1 Model Number Capacity Formatted 512 Kbytes/Sector (GB) External Transfer Rate (MB/s) Ultra320 SCSI 4-Gb/s Fibre Channel 3-Gb/s Serial Attached SCSI Performance Spindle Speed (RPM) Average Latency (ms) Seek Time Average Read/Write (ms) Track-to focus on reliability and data protection. Seagate... Seagate Design Service Centers (DSC) help companies transform innovative ideas into viable products. Cheetah® 15K.5 Mainstream enterprise hard drive storage Lowest Cost of Ownership • Fifth-generation Cheetah 15K drive is designed and manufactured by verifying-during drive ...
...73.4 GB1 Model Number Capacity Formatted 512 Kbytes/Sector (GB) External Transfer Rate (MB/s) Ultra320 SCSI 4-Gb/s Fibre Channel 3-Gb/s Serial Attached SCSI Performance Spindle Speed (RPM) Average Latency (ms) Seek Time Average Read/Write (ms) Track-to focus on reliability and data protection. Seagate... Seagate Design Service Centers (DSC) help companies transform innovative ideas into viable products. Cheetah® 15K.5 Mainstream enterprise hard drive storage Lowest Cost of Ownership • Fifth-generation Cheetah 15K drive is designed and manufactured by verifying-during drive ...
Cheetah 15K.5 SCSI Product Manual
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... 16 5.2 Reliability and service 16 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging Cheetah 15K.5 SCSI disc drives 17 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 19 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...
... 16 5.2 Reliability and service 16 5.2.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) . . . 16 5.2.2 Preventive maintenance 16 5.2.3 Hot plugging Cheetah 15K.5 SCSI disc drives 17 5.2.4 S.M.A.R.T 17 5.2.5 Thermal monitor 19 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...
Cheetah 15K.5 SCSI Product Manual
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...Corrosive environment 33 6.4.7 Acoustics 34 6.4.8 Electromagnetic susceptibility 34 6.5 Mechanical specifications 34 7.0 Defect and error management 37 7.1 Drive internal defects 37 7.2 Drive error recovery procedures 37 7.3 SCSI systems errors 39 7.4 Background Media Scan 39 7.5 Media Pre-Scan 39 7.6 ...Electrical description 70 9.7.1 Multimode-SE and LVD alternatives 70 9.8 Terminator requirements 73 9.9 Terminator power 73 9.10 Disc drive SCSI timing 74 9.11 Drive activity LED 76 10.0 Seagate Technology support services 77 ii Cheetah 15K.5 SCSI Product Manual, Rev.
...Corrosive environment 33 6.4.7 Acoustics 34 6.4.8 Electromagnetic susceptibility 34 6.5 Mechanical specifications 34 7.0 Defect and error management 37 7.1 Drive internal defects 37 7.2 Drive error recovery procedures 37 7.3 SCSI systems errors 39 7.4 Background Media Scan 39 7.5 Media Pre-Scan 39 7.6 ...Electrical description 70 9.7.1 Multimode-SE and LVD alternatives 70 9.8 Terminator requirements 73 9.9 Terminator power 73 9.10 Disc drive SCSI timing 74 9.11 Drive activity LED 76 10.0 Seagate Technology support services 77 ii Cheetah 15K.5 SCSI Product Manual, Rev.
Cheetah 15K.5 SCSI Product Manual
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...12. Figure 13. Figure 17. IOPS (LVD 27 ST3146855LC DC current and power vs. H iii Figure 11. Figure 15. IOPS (LVD 28 ST373455LC DC current and power vs. Figure 4. Figure 9. IOPS (LVD 29 Locations of Figures Figure 1. Figure 3. Figure 5. Figure 10. Figure 16. ... interface cabling for LW drives 63 Nonshielded 68-pin SCSI device connector used on LW drives 64 Nonshielded 80-pin SCSI SCA-2 connector used on LC drives 65 Typical SE-LVD alternative transmitter receiver circuits 71 Cheetah 15K.5 SCSI Product Manual, Rev. Typical ST3300655LW drive +5 V LVD current ...
...12. Figure 13. Figure 17. IOPS (LVD 27 ST3146855LC DC current and power vs. H iii Figure 11. Figure 15. IOPS (LVD 28 ST373455LC DC current and power vs. Figure 4. Figure 9. IOPS (LVD 29 Locations of Figures Figure 1. Figure 3. Figure 5. Figure 10. Figure 16. ... interface cabling for LW drives 63 Nonshielded 68-pin SCSI device connector used on LW drives 64 Nonshielded 80-pin SCSI SCA-2 connector used on LC drives 65 Typical SE-LVD alternative transmitter receiver circuits 71 Cheetah 15K.5 SCSI Product Manual, Rev. Typical ST3300655LW drive +5 V LVD current ...
Cheetah 15K.5 SCSI Product Manual
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... in the ANSI SCSI SPI-4 interface specifications to individual models are necessary. Cheetah 15K.5 SCSI Product Manual, Rev. From this point on in this product manual the reference to Cheetah 15K.5 SCSI models is referred to as described in this and other families of Seagate drives. 1.0 Scope This manual describes Seagate® Technology LLC, Cheetah® 15K.5 SCSI disc...
... in the ANSI SCSI SPI-4 interface specifications to individual models are necessary. Cheetah 15K.5 SCSI Product Manual, Rev. From this point on in this product manual the reference to Cheetah 15K.5 SCSI models is referred to as described in this and other families of Seagate drives. 1.0 Scope This manual describes Seagate® Technology LLC, Cheetah® 15K.5 SCSI disc...
Cheetah 15K.5 SCSI Product Manual
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... the performance of the drive. If the I /O cables may be used, with Seagate standards as a subassembly and is not required to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of Communications. Cheetah 15K.5 SCSI Product Manual, Rev... of meeting the Class B limits of the FCC Rules and Regulations of the Canadian Department of Communications when properly packaged. The Cheetah 15K.5 SCSI disc drive is a UL recognized component per UL1950, CSA certified to CSA C22.2 No. 950-95, and VDE or TUV certified to...
... the performance of the drive. If the I /O cables may be used, with Seagate standards as a subassembly and is not required to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of Communications. Cheetah 15K.5 SCSI Product Manual, Rev... of meeting the Class B limits of the FCC Rules and Regulations of the Canadian Department of Communications when properly packaged. The Cheetah 15K.5 SCSI disc drive is a UL recognized component per UL1950, CSA certified to CSA C22.2 No. 950-95, and VDE or TUV certified to...
Cheetah 15K.5 SCSI Product Manual
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...New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of RoHS substances in such parts or materials. 4 Cheetah 15K.5 SCSI Product Manual, Rev. We rely on the representations of our suppliers regarding the presence of Australia's Spectrum Management Agency (SMA). ... with our requirements by Directive 92/31/EEC of 28 April 1992 and Directive 93/68/EEC of Korea. The drive was tested in Seagate products are procured from external suppliers. A number of 03 May 1989 as amended by providing material content declarations for the...
...New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of RoHS substances in such parts or materials. 4 Cheetah 15K.5 SCSI Product Manual, Rev. We rely on the representations of our suppliers regarding the presence of Australia's Spectrum Management Agency (SMA). ... with our requirements by Directive 92/31/EEC of 28 April 1992 and Directive 93/68/EEC of Korea. The drive was tested in Seagate products are procured from external suppliers. A number of 03 May 1989 as amended by providing material content declarations for the...
Cheetah 15K.5 SCSI Product Manual
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..., and an internal auditing process to ensure that restricted substances are complied with. 2.4 Reference documents Cheetah 15K.5 SCSI Installation Guide Seagate P/N 100384777 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Commands Reference Manual Seagate P/N 100293068 Parallel SCSI Interface Product Manual Seagate P/N 100293069 Applicable ANSI small computer system interface (SCSI) document numbers: T10/1143D T10/1416D T10...
..., and an internal auditing process to ensure that restricted substances are complied with. 2.4 Reference documents Cheetah 15K.5 SCSI Installation Guide Seagate P/N 100384777 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Commands Reference Manual Seagate P/N 100293068 Parallel SCSI Interface Product Manual Seagate P/N 100293069 Applicable ANSI small computer system interface (SCSI) document numbers: T10/1143D T10/1416D T10...
Cheetah 15K.5 SCSI Product Manual
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...ST373455LC Number of active heads 8 4 2 8 4 2 I/O circuit type [1] Single-ended (SE) and low voltage differential (LVD) Single-ended (SE) and low voltage differential (LVD) Number of the I /O connector pins 68 80 [1] See Section 9.6 for details and definitions. The drive..., media, actuator, etc.) as this requires special facilities. Cheetah 15K.5 SCSI drives use a dedicated landing zone at the factory. Never disassemble... radius of the media to eliminate the possibility of Seagate SCSI drives. The drive automatically goes to maintain a contamination-free HDA environment....
...ST373455LC Number of active heads 8 4 2 8 4 2 I/O circuit type [1] Single-ended (SE) and low voltage differential (LVD) Single-ended (SE) and low voltage differential (LVD) Number of the I /O connector pins 68 80 [1] See Section 9.6 for details and definitions. The drive..., media, actuator, etc.) as this requires special facilities. Cheetah 15K.5 SCSI drives use a dedicated landing zone at the factory. Never disassemble... radius of the media to eliminate the possibility of Seagate SCSI drives. The drive automatically goes to maintain a contamination-free HDA environment....
Cheetah 15K.5 SCSI Product Manual
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... patented, straight-arm design provides excellent performance with a proprietary protective layer for improved durability and environmental protection. 8 Cheetah 15K.5 SCSI Product Manual, Rev. An automatic shipping lock prevents potential damage to the heads and discs that results from ... SCSI bus fairness 3.2 Media characteristics The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with minimal power dissipation. 3.1 Standard features The Cheetah 15K.5 SCSI family has the following standard features: • Perpendicular ...
... patented, straight-arm design provides excellent performance with a proprietary protective layer for improved durability and environmental protection. 8 Cheetah 15K.5 SCSI Product Manual, Rev. An automatic shipping lock prevents potential damage to the heads and discs that results from ... SCSI bus fairness 3.2 Media characteristics The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with minimal power dissipation. 3.1 Standard features The Cheetah 15K.5 SCSI family has the following standard features: • Perpendicular ...
Cheetah 15K.5 SCSI Product Manual
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... 282,050,768 10CFC0D0 280,790,184 10BC84A8 279,041,740 10A1D6CC 275,154,368 106685C0 272,662,935 10408197h ST373455LW ST373455LC Decimal 143,374,744 141,025,384 140,395,092 139,463,602 137,577,184 136,331,467 Hex 88BB998 ... format time. H 9 Cheetah 15K.5 SCSI Product Manual, Rev. 3.3 Performance • Supports industry standard Ultra320 SCSI interface • Programmable multi-segmentable cache buffer (see Section 4.5) • 15k RPM spindle. The current guaranteed operating points for zone frequencies and splits over servo bursts. Seagate drives also may modify the data...
... 282,050,768 10CFC0D0 280,790,184 10BC84A8 279,041,740 10A1D6CC 275,154,368 106685C0 272,662,935 10408197h ST373455LW ST373455LC Decimal 143,374,744 141,025,384 140,395,092 139,463,602 137,577,184 136,331,467 Hex 88BB998 ... format time. H 9 Cheetah 15K.5 SCSI Product Manual, Rev. 3.3 Performance • Supports industry standard Ultra320 SCSI interface • Programmable multi-segmentable cache buffer (see Section 4.5) • 15k RPM spindle. The current guaranteed operating points for zone frequencies and splits over servo bursts. Seagate drives also may modify the data...
Cheetah 15K.5 SCSI Product Manual
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... size requested. • Single unit shipping pack. The factory also ships with each standard OEM drive. Users planning single unit distribution should specify this option. • The Cheetah 15K.5 Installation Guide, part number 100384777, usually ships with the drive a small bag of blocks field. Refer to the Parameter list block descriptor number of LBAs...
... size requested. • Single unit shipping pack. The factory also ships with each standard OEM drive. Users planning single unit distribution should specify this option. • The Cheetah 15K.5 Installation Guide, part number 100384777, usually ships with the drive a small bag of blocks field. Refer to the Parameter list block descriptor number of LBAs...
Cheetah 15K.5 SCSI Product Manual
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...Cheetah 15K.5 SCSI Product Manual, Rev. Refer to hard drive capacity. 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Tracks/surface (total) Tracks/inch Peak bits/inch Areal Density Internal data rate Disc rotational speed Average rotational latency ST3300655LW ST3300655LC 300.0 8 74,340 125,000 890k 110 960 to 1607 15k... 2.0 ST3146855LW ST3146855LC 146.8 4 74,340 125,000 890k 110 960 to 1607 15k 2.0 ST373455LW ST373455LC 73.4 2 74,340 125,000 890k 110 960 to 1607 15k 2.0 GBytes (formatted...
...Cheetah 15K.5 SCSI Product Manual, Rev. Refer to hard drive capacity. 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Tracks/surface (total) Tracks/inch Peak bits/inch Areal Density Internal data rate Disc rotational speed Average rotational latency ST3300655LW ST3300655LC 300.0 8 74,340 125,000 890k 110 960 to 1607 15k... 2.0 ST3146855LW ST3146855LC 146.8 4 74,340 125,000 890k 110 960 to 1607 15k 2.0 ST373455LW ST373455LC 73.4 2 74,340 125,000 890k 110 960 to 1607 15k 2.0 GBytes (formatted...
Cheetah 15K.5 SCSI Product Manual
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...and no verify) ST3300655LW ST3300655LC 120 60 ST3146855LW ST3146855LC 90 45 ST373455LW ST373455LC 60 30 4.2.3 Generalized performance characteristics Sustainable disc transfer rate: Minimum [3] 73 Maximum [3] 125 Mbytes/sec Mbytes/sec SCSI interface data transfer rate ...Format command execution time (minutes) [1] Maximum (with verify) Maximum (no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev. H Access to 528 bytes per sector in even number of drives. 2. 4.2.1 Seek time Not including controller overhead (msec)1,2 Average Single Track Full Stroke Typical ...
...and no verify) ST3300655LW ST3300655LC 120 60 ST3146855LW ST3146855LC 90 45 ST373455LW ST373455LC 60 30 4.2.3 Generalized performance characteristics Sustainable disc transfer rate: Minimum [3] 73 Maximum [3] 125 Mbytes/sec Mbytes/sec SCSI interface data transfer rate ...Format command execution time (minutes) [1] Maximum (with verify) Maximum (no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev. H Access to 528 bytes per sector in even number of drives. 2. 4.2.1 Seek time Not including controller overhead (msec)1,2 Average Single Track Full Stroke Typical ...
Cheetah 15K.5 SCSI Product Manual
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... which data is no power control switch on the way to retrieve it is , the drive does not check in the cache: 1. Cheetah 15K.5 SCSI Product Manual, Rev. "Cache" as is enabled, refer to the host are independent features from the buffer, if possible, ...following is a simplified description of the prefetch/cache operation: Case A-read operations (disregarding Prefetch operation for more detail concerning the cache bits. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of the cache: 1. If the Motor Start Option is...
... which data is no power control switch on the way to retrieve it is , the drive does not check in the cache: 1. Cheetah 15K.5 SCSI Product Manual, Rev. "Cache" as is enabled, refer to the host are independent features from the buffer, if possible, ...following is a simplified description of the prefetch/cache operation: Case A-read operations (disregarding Prefetch operation for more detail concerning the cache bits. The drive fetches the requested logical blocks from the disc and transfers them into logical segments from removal of the cache: 1. If the Motor Start Option is...
Cheetah 15K.5 SCSI Product Manual
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...) does not set up a new segment size. The same buffer space and segmentation is used to force the drive to write all data received from the buffer to occur. 14 Cheetah 15K.5 SCSI Product Manual, Rev. When a write command is issued, if RCD=0, the cache is a write operation... by the drive that was requested by DRA = 0), the drive enables prefetch of the individual segments greatly enhances the cache's overall ...
...) does not set up a new segment size. The same buffer space and segmentation is used to force the drive to write all data received from the buffer to occur. 14 Cheetah 15K.5 SCSI Product Manual, Rev. When a write command is issued, if RCD=0, the cache is a write operation... by the drive that was requested by DRA = 0), the drive enables prefetch of the individual segments greatly enhances the cache's overall ...