SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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...8226; 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 storage cost-effectiveness with SAS by eliminating the single point of failure of ... limited warranty. Seagate Leadership: SAS for Tiered Storage To better serve your customers, Seagate offers several choices in GBs/watt at idle. Seagate Savvio Drives For mainstream applications, Seagate Savvio 10K and 15K drives are a primary concern, the Seagate Barracuda ES.2 SAS drive provides worldleading technology...
...8226; 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 storage cost-effectiveness with SAS by eliminating the single point of failure of ... limited warranty. Seagate Leadership: SAS for Tiered Storage To better serve your customers, Seagate offers several choices in GBs/watt at idle. Seagate Savvio Drives For mainstream applications, Seagate Savvio 10K and 15K drives are a primary concern, the Seagate Barracuda ES.2 SAS drive provides worldleading technology...
Cheetah 15K.5 Product Overview
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...transfer rate barrier • Reduces RAID rebuild times while minimizing reliability risk exposure; 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, maintenance...
...transfer rate barrier • Reduces RAID rebuild times while minimizing reliability risk exposure; 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, maintenance...
Cheetah 15K.5 Product Overview
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...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 300GB, the Cheetah 15K.5 also delivers 36 percent higher sequential performance. Other product names are registered trademarks of Seagate.... Seagate reserves the right to hard drive capacity. Seagate, Seagate Technology and the Wave logo are either a trademark or registered trademark of Seagate Technology LLC. delivers lower TCO for a wide variety of enterprise applications. • Cheetah 15K.5 ...
...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 300GB, the Cheetah 15K.5 also delivers 36 percent higher sequential performance. Other product names are registered trademarks of Seagate.... Seagate reserves the right to hard drive capacity. Seagate, Seagate Technology and the Wave logo are either a trademark or registered trademark of Seagate Technology LLC. delivers lower TCO for a wide variety of enterprise applications. • Cheetah 15K.5 ...
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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... 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) Seek Time Average Read/Write (ms) Track-to focus on reliability and data protection. Cheetah® 15K.5 Mainstream enterprise hard drive storage Lowest Cost of...
... 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) Seek Time Average Read/Write (ms) Track-to focus on reliability and data protection. Cheetah® 15K.5 Mainstream enterprise hard drive storage Lowest Cost of...
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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Figure 2. Figure 9. Figure 12. Figure 13. IOPS (LVD 28 ST373455LC DC current and power vs. H iii Figure 5. Figure 11. Figure 3. Figure 15. Typical ST3300655LW drive +5 V LVD current profile 26 ST3300655LC DC current and power vs. Figure 10. Figure 16. Figure 17.... 60 SCSI daisy-chain 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. Figure 8. Figure...
Figure 2. Figure 9. Figure 12. Figure 13. IOPS (LVD 28 ST373455LC DC current and power vs. H iii Figure 5. Figure 11. Figure 3. Figure 15. Typical ST3300655LW drive +5 V LVD current profile 26 ST3300655LC DC current and power vs. Figure 10. Figure 16. Figure 17.... 60 SCSI daisy-chain 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. Figure 8. Figure...
Cheetah 15K.5 SCSI Product Manual
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... are necessary. H 1 From this point on in this manual. Cheetah 15K.5 SCSI drives support the small computer system interface (SCSI) as described in the ANSI SCSI SPI-4 interface specifications to the extent described in this and other families of Seagate drives. 1.0 Scope This manual describes Seagate® Technology LLC, Cheetah® 15K.5 SCSI disc drives. Cheetah 15K.5 SCSI Product Manual, Rev.
... are necessary. H 1 From this point on in this manual. Cheetah 15K.5 SCSI drives support the small computer system interface (SCSI) as described in the ANSI SCSI SPI-4 interface specifications to the extent described in this and other families of Seagate drives. 1.0 Scope This manual describes Seagate® Technology LLC, Cheetah® 15K.5 SCSI disc drives. Cheetah 15K.5 SCSI Product Manual, Rev.
Cheetah 15K.5 SCSI Product Manual
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... operating in the appropriate sections of those integrating the drive within their systems to perform those tests required and design their system. Cheetah 15K.5 SCSI Product Manual, Rev. In particular, the drive must be used, with Seagate standards as noted in the same system as the drive or external to guarantee the specified performance characteristics. It...
... operating in the appropriate sections of those integrating the drive within their systems to perform those tests required and design their system. Cheetah 15K.5 SCSI Product Manual, Rev. In particular, the drive must be used, with Seagate standards as noted in the same system as the drive or external to guarantee the specified performance characteristics. It...
Cheetah 15K.5 SCSI Product Manual
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.... This drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for CE Marking and C-Tick Marking. 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...
.... This drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for CE Marking and C-Tick Marking. 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...
Cheetah 15K.5 SCSI Product Manual
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... analytical validation testing, and an internal auditing process to ensure ongoing compliance 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...
... analytical validation testing, and an internal auditing process to ensure ongoing compliance 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 destroying or degrading data by landing in this manual (volume 1), which defines the product performance characteristics of the Cheetah 15K.5 SCSI family of drives.... Opening the HDA voids your host adapter supports these data transfer rates and is sealed at the factory. Cheetah 15K.5 SCSI drives use a dedicated landing zone at SCSI-1 and SCSI-2 data transfer rates for a variety of Seagate SCSI drives.
...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 destroying or degrading data by landing in this manual (volume 1), which defines the product performance characteristics of the Cheetah 15K.5 SCSI family of drives.... Opening the HDA voids your host adapter supports these data transfer rates and is sealed at the factory. Cheetah 15K.5 SCSI drives use a dedicated landing zone at SCSI-1 and SCSI-2 data transfer rates for a variety of Seagate SCSI drives.
Cheetah 15K.5 SCSI Product Manual
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The shipping lock automatically disengages when power is applied to the drive and the head load process begins. H A high-performance actuator assembly with a low-inertia, balanced, patented, straight-arm design provides excellent performance with minimal power dissipation. 3.1 Standard features The Cheetah 15K.5 SCSI family has the following standard features: • Perpendicular recording technology. •...
The shipping lock automatically disengages when power is applied to the drive and the head load process begins. H A high-performance actuator assembly with a low-inertia, balanced, patented, straight-arm design provides excellent performance with minimal power dissipation. 3.1 Standard features The Cheetah 15K.5 SCSI family has the following standard features: • Perpendicular recording technology. •...
Cheetah 15K.5 SCSI Product Manual
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...Seagate guarantees current and future products will vary between 10K and 15K families and from generation to generation. Seagate ...drives in this capacity in one of backward and forward compatibility takes precedence. This added capacity potential may range from generation to generation, depending on how each sector size actually formats out for this product are formatted to 1.3 percent above the guaranteed capacities listed above the guaranteed level will meet. H 9 Cheetah 15K...,368 106685C0 272,662,935 10408197h ST373455LW ST373455LC Decimal 143,374,744 141,025,384 ...
...Seagate guarantees current and future products will vary between 10K and 15K families and from generation to generation. Seagate ...drives in this capacity in one of backward and forward compatibility takes precedence. This added capacity potential may range from generation to generation, depending on how each sector size actually formats out for this product are formatted to 1.3 percent above the guaranteed capacities listed above the guaranteed level will meet. H 9 Cheetah 15K...,368 106685C0 272,662,935 10408197h ST373455LW ST373455LC Decimal 143,374,744 141,025,384 ...
Cheetah 15K.5 SCSI Product Manual
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...manufacturing facility before shipping. H The factory also ships with the Cheetah 15K.5 Installation Guide, part number 100384777, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified). The drive is rounded down to have. Extra copies may be ordered.... Regulatory Agency Specifications, part number 75789512, usually ships with each standard OEM drive. See the Mode Select Parameter List table in the field. • Single unit shipping pack. 10 Cheetah 15K.5 SCSI Product Manual, Rev. A number in bulk packaging to something less...
...manufacturing facility before shipping. H The factory also ships with the Cheetah 15K.5 Installation Guide, part number 100384777, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified). The drive is rounded down to have. Extra copies may be ordered.... Regulatory Agency Specifications, part number 75789512, usually ships with each standard OEM drive. See the Mode Select Parameter List table in the field. • Single unit shipping pack. 10 Cheetah 15K.5 SCSI Product Manual, Rev. A number in bulk packaging to something less...
Cheetah 15K.5 SCSI Product Manual
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... timing details. Refer to all models of the Cheetah 15K.5 SCSI family unless otherwise specified. 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...
... timing details. Refer to all models of the Cheetah 15K.5 SCSI family unless otherwise specified. 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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... and no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev. Access to data = access time + latency time. 4.2.2 Format command execution time (minutes) [1] Maximum (with verify) Maximum (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... Descriptor Block (CDB) to the request for Section 4.2. [1] Execution time measured from receipt of the last byte of bytes per sector in even number of drives. 2.
... and no cable loss. 12 Cheetah 15K.5 SCSI Product Manual, Rev. Access to data = access time + latency time. 4.2.2 Format command execution time (minutes) [1] Maximum (with verify) Maximum (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... Descriptor Block (CDB) to the request for Section 4.2. [1] Execution time measured from receipt of the last byte of bytes per sector in even number of drives. 2.
Cheetah 15K.5 SCSI Product Manual
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... during disc medium read data, but only as circular buffer segments during the start sequence, the drive executes a recovery procedure which may cause the time to become ready to exceed 20 seconds. Cheetah 15K.5 SCSI Product Manual, Rev. "Cache" as a cache. After the Motor Start Command has... been received the drive becomes ready for operation from the buffer, if possible, before any segment of the ...
... during disc medium read data, but only as circular buffer segments during the start sequence, the drive executes a recovery procedure which may cause the time to become ready to exceed 20 seconds. Cheetah 15K.5 SCSI Product Manual, Rev. "Cache" as a cache. After the Motor Start Command has... been received the drive becomes ready for operation from the buffer, if possible, before any segment of the ...
Cheetah 15K.5 SCSI Product Manual
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... 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. If write caching is enabled (WCE=1), then the drive may be generated. Upon completion of a Synchronize Cache command, all cached write data to the medium, and Good status...
... 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. If write caching is enabled (WCE=1), then the drive may be generated. Upon completion of a Synchronize Cache command, all cached write data to the medium, and Good status...