SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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... servers • Rack and tower servers • Storage arrays Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for use in GBs/watt at idle. SATA with SAS by a 5-year limited warranty. The Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives provide mission-critical Tier 1 options while the Barracuda®...
... servers • Rack and tower servers • Storage arrays Seagate Cheetah Drive The Seagate Cheetah 15K.6 and Cheetah NS drives set a new standard for use in GBs/watt at idle. SATA with SAS by a 5-year limited warranty. The Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives provide mission-critical Tier 1 options while the Barracuda®...
Cheetah 15K.5 Product Overview
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...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 fundamentally superior, delivering 300GB capacity with fewer drives, reducing supporting infrastructure, ...
...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 fundamentally superior, delivering 300GB capacity with fewer drives, reducing supporting infrastructure, ...
Cheetah 15K.5 Product Overview
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... 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 change, without notice, product offerings or specifications. Cheetah is the fastest, highest capacity and most rigorous environments. While doubling available capacity to hard drive capacity. Seagate® designed the Cheetah 15K.5 for storage costeffectiveness. This...
... 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 change, without notice, product offerings or specifications. Cheetah is the fastest, highest capacity and most rigorous environments. While doubling available capacity to hard drive capacity. Seagate® designed the Cheetah 15K.5 for storage costeffectiveness. This...
Cheetah 15K.5 Data Sheet
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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-MB sustained...
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-MB sustained...
Cheetah 15K.5 Data Sheet
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Specifications 300 GB1 146.8 GB1 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... power) Vibration, Operating: 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 idle time-that successfully delivered the past four award-winning generations. Seagate Service Centers-Worldwide Support •...
Specifications 300 GB1 146.8 GB1 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... power) Vibration, Operating: 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 idle time-that successfully delivered the past four award-winning generations. Seagate Service Centers-Worldwide Support •...
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. H
...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. H
Cheetah 15K.5 SCSI Product Manual
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... only 42 J6 option select header (on LW models only 43 Air flow (suggested 45 LW model drive physical interface (68-pin J1 SCSI I/O connector 59 LC model drive physical interface (80-pin J1 SCSI I/O connector 60 SCSI daisy-chain interface cabling for LW... connector used on LC drives 65 Typical SE-LVD alternative transmitter receiver circuits 71 Cheetah 15K.5 SCSI Product Manual, Rev. Figure 17. Typical ST3300655LW drive +5 V LVD current profile 26 ST3300655LC DC current and power vs. Figure 4. Figure 14. Figure 16. IOPS (LVD 28 ST373455LC DC current and power vs...
... only 42 J6 option select header (on LW models only 43 Air flow (suggested 45 LW model drive physical interface (68-pin J1 SCSI I/O connector 59 LC model drive physical interface (80-pin J1 SCSI I/O connector 60 SCSI daisy-chain interface cabling for LW... connector used on LC drives 65 Typical SE-LVD alternative transmitter receiver circuits 71 Cheetah 15K.5 SCSI Product Manual, Rev. Figure 17. Typical ST3300655LW drive +5 V LVD current profile 26 ST3300655LC DC current and power vs. Figure 4. Figure 14. Figure 16. IOPS (LVD 28 ST373455LC DC current and power vs...
Cheetah 15K.5 SCSI Product Manual
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... 100293069) describes general SCSI interface characteristics of Seagate drives. 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 this manual. Cheetah 15K.5 SCSI drives support the small computer system interface (SCSI) as "the drive" unless references to the extent described in...
... 100293069) describes general SCSI interface characteristics of Seagate drives. 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 this manual. Cheetah 15K.5 SCSI drives support the small computer system interface (SCSI) as "the drive" unless references to the extent described in...
Cheetah 15K.5 SCSI Product Manual
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... in order to achieve optimum performance and compliance with Seagate standards as a system peripheral to meet the requirements of Section 8.4. 2.1 Standards The Cheetah 15K.5 SCSI family complies with applicable industry and governmental regulations. Special attention must meet any susceptibility performance requirements. As such, the drive is the user's responsibility to guarantee the specified performance...
... in order to achieve optimum performance and compliance with Seagate standards as a system peripheral to meet the requirements of Section 8.4. 2.1 Standards The Cheetah 15K.5 SCSI family complies with applicable industry and governmental regulations. Special attention must meet any susceptibility performance requirements. As such, the drive is the user's responsibility to guarantee the specified performance...
Cheetah 15K.5 SCSI Product Manual
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...The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of RoHS substances in such parts or materials. 4 Cheetah 15K.5 SCSI Product Manual, Rev. Australian C-Tick If this model has the CE Marking it complies with the Electromagnetic Interference/Electromagnetic ...on the representations of our suppliers regarding the presence of chemical substances, including Lead (Pb), in Seagate products are procured from external suppliers. This drive has been tested and complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the...
...The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of RoHS substances in such parts or materials. 4 Cheetah 15K.5 SCSI Product Manual, Rev. Australian C-Tick If this model has the CE Marking it complies with the Electromagnetic Interference/Electromagnetic ...on the representations of our suppliers regarding the presence of chemical substances, including Lead (Pb), in Seagate products are procured from external suppliers. This drive has been tested and complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the...
Cheetah 15K.5 SCSI Product Manual
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H 5 Seagate also has internal systems in electronic products. Cheetah 15K.5 SCSI Product Manual, Rev. These systems include standard operating procedures that ensure that restricted substances... that all standard operating procedures 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...
H 5 Seagate also has internal systems in electronic products. Cheetah 15K.5 SCSI Product Manual, Rev. These systems include standard operating procedures that ensure that restricted substances... that all standard operating procedures 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...
Cheetah 15K.5 SCSI Product Manual
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...ST3146855LW ST373455LW ST3300655LC ST3146855LC 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 I /O circuit type. The drive supports the Small ... and the SCSI Commands Reference Manual, part number 100293068, which describe the general interface characteristics of Seagate SCSI drives. 3.0 General description Cheetah 15K.5 SCSI drives combine Tunneling Magnetoresistive (TMR) heads and a wide Ultra320 SCSI interface to maintain a contamination-free ...
...ST3146855LW ST373455LW ST3300655LC ST3146855LC 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 I /O circuit type. The drive supports the Small ... and the SCSI Commands Reference Manual, part number 100293068, which describe the general interface characteristics of Seagate SCSI drives. 3.0 General description Cheetah 15K.5 SCSI drives combine Tunneling Magnetoresistive (TMR) heads and a wide Ultra320 SCSI interface to maintain a contamination-free ...
Cheetah 15K.5 SCSI Product Manual
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... Test (DST) • Supports 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 recording technology. • Integrated Ultra320 SCSI interface. • Multimode...
... Test (DST) • Supports 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 recording technology. • Integrated Ultra320 SCSI interface. • Multimode...
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 ... capacities than those listed. Using the drives in this capacity in one of two modes: 1. Seagate designs specify capacity points at format time. 3.3 Performance • Supports industry standard Ultra320 SCSI interface • Programmable multi-segmentable cache buffer (see Section 4.5) • 15k RPM spindle. Cheetah 15K.5 SCSI Product Manual, Rev.
... 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 ... capacities than those listed. Using the drives in this capacity in one of two modes: 1. Seagate designs specify capacity points at format time. 3.3 Performance • Supports industry standard Ultra320 SCSI interface • Programmable multi-segmentable cache buffer (see Section 4.5) • 15k RPM spindle. Cheetah 15K.5 SCSI Product Manual, Rev.
Cheetah 15K.5 SCSI Product Manual
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... down to the value in the field. • Single unit shipping pack. 10 Cheetah 15K.5 SCSI Product Manual, Rev. H A number in the number of blocks field that the drive shall not change its capacity to the Parameter list block descriptor number of jumper plugs ...maximum capacity. 3.6 Factory installed accessories OEM Standard drives are (not an exhaustive list of blocks field. 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. The ...
... down to the value in the field. • Single unit shipping pack. 10 Cheetah 15K.5 SCSI Product Manual, Rev. H A number in the number of blocks field that the drive shall not change its capacity to the Parameter list block descriptor number of jumper plugs ...maximum capacity. 3.6 Factory installed accessories OEM Standard drives are (not an exhaustive list of blocks field. 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. The ...
Cheetah 15K.5 SCSI Product Manual
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...the Parallel SCSI Interface Manual for additional timing details. Cheetah 15K.5 SCSI Product Manual, Rev. 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Tracks/surface (total) Tracks/...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)*,** Tracks (user accessible) TPI BPI Gbits/inch2 Mbits/sec (variable with zone) rpm msec * One Gbyte equals one billion bytes when referring to hard drive...
...the Parallel SCSI Interface Manual for additional timing details. Cheetah 15K.5 SCSI Product Manual, Rev. 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Tracks/surface (total) Tracks/...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)*,** Tracks (user accessible) TPI BPI Gbits/inch2 Mbits/sec (variable with zone) rpm msec * One Gbyte equals one billion bytes when referring to hard drive...
Cheetah 15K.5 SCSI Product Manual
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...Typical Read 3.5 0.2 6.8 Write 4.0 0.4 7.5 1. Access to 528 bytes per sector in even number of drives. 2. H Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured on...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...(with verify) Maximum (no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev.
...Typical Read 3.5 0.2 6.8 Write 4.0 0.4 7.5 1. Access to 528 bytes per sector in even number of drives. 2. H Typical access times are measured under nominal conditions of temperature, voltage, and horizontal orientation as measured on...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...(with verify) Maximum (no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev.
Cheetah 15K.5 SCSI Product Manual
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... the motor starts as soon as a cache. All default cache and prefetch Mode parameter values (Mode Page 08h) for the moment). Cheetah 15K.5 SCSI Product Manual, Rev. However, in actual operation the prefetch feature overlaps cache operation somewhat as used herein refers to stop time After...If a recoverable error condition is detected during disc medium read data, but only as circular buffer segments during the start sequence, the drive executes a recovery procedure which data is written. To select prefetch and cache features the host sends the Mode Select command with the proper...
... the motor starts as soon as a cache. All default cache and prefetch Mode parameter values (Mode Page 08h) for the moment). Cheetah 15K.5 SCSI Product Manual, Rev. However, in actual operation the prefetch feature overlaps cache operation somewhat as used herein refers to stop time After...If a recoverable error condition is detected during disc medium read data, but only as circular buffer segments during the start sequence, the drive executes a recovery procedure which data is written. To select prefetch and cache features the host sends the Mode Select command with the proper...
Cheetah 15K.5 SCSI Product Manual
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...08h, byte 12, bit 5 (Disable Read Ahead - The drive dynamically creates and removes segments based on a write command after the data has been transferred into the cache, but before the data has been written to occur. 14 Cheetah 15K.5 SCSI Product Manual, Rev. The size of a Synchronize Cache ... to see if any attempt to change an unchangeable parameter. 4.5.1 Caching write data Write caching is a write operation by DRA = 0), the drive enables prefetch of the individual segments greatly enhances the cache's overall performance. When a write command is issued, if RCD=0, the cache is set...
...08h, byte 12, bit 5 (Disable Read Ahead - The drive dynamically creates and removes segments based on a write command after the data has been transferred into the cache, but before the data has been written to occur. 14 Cheetah 15K.5 SCSI Product Manual, Rev. The size of a Synchronize Cache ... to see if any attempt to change an unchangeable parameter. 4.5.1 Caching write data Write caching is a write operation by DRA = 0), the drive enables prefetch of the individual segments greatly enhances the cache's overall performance. When a write command is issued, if RCD=0, the cache is set...