SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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...our support in this change has been underway in servers and storage products- In fact, by mid-2009 the SCSI interface will be the industry standard by major hard drive manufacturers. But it also offers a great opportunity to those builders willing to leave system builders behind if they ...do not prepare for some time. Serial Attached SCSI (SAS) has become the preferred interface for hard drives in the server and storage business for this document shows, many manufacturers who sell through the Seagate Partner Program and will not be produced by the end of ...
...our support in this change has been underway in servers and storage products- In fact, by mid-2009 the SCSI interface will be the industry standard by major hard drive manufacturers. But it also offers a great opportunity to those builders willing to leave system builders behind if they ...do not prepare for some time. Serial Attached SCSI (SAS) has become the preferred interface for hard drives in the server and storage business for this document shows, many manufacturers who sell through the Seagate Partner Program and will not be produced by the end of ...
SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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...with all existing SCSI software and middleware Eco-Friendly • 12.5 watts operating and 9 watts idle temperature - 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 ...drives • 20 percent less power than 3.5-inch drives • More drives in the tier 2 (nearline) storage area, where dollars/GB and GB/watt are the leading 2.5-inch enterprise drives. The Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives...
...with all existing SCSI software and middleware Eco-Friendly • 12.5 watts operating and 9 watts idle temperature - 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 ...drives • 20 percent less power than 3.5-inch drives • More drives in the tier 2 (nearline) storage area, where dollars/GB and GB/watt are the leading 2.5-inch enterprise drives. The Seagate® Savvio® 2.5-inch 10K and 15K drives and the Cheetah® 3.5-inch 10K and 15K drives...
Cheetah 15K.5 Product Overview
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... sustained 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...
... sustained 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...
Cheetah 15K.5 Product Overview
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... One gigabyte, or GB, equals one billion bytes when referring to 300GB, the Cheetah 15K.5 also delivers 36 percent higher sequential performance. While doubling available capacity to hard drive capacity. Cheetah 15K.5 Best price/performance, lowest cost of Seagate Technology LLC. This... and capacity needs over a longer period of time. • Cheetah 15K drives have the highest fieldproven reliability of 10. 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, ...
... One gigabyte, or GB, equals one billion bytes when referring to 300GB, the Cheetah 15K.5 also delivers 36 percent higher sequential performance. While doubling available capacity to hard drive capacity. Cheetah 15K.5 Best price/performance, lowest cost of Seagate Technology LLC. This... and capacity needs over a longer period of time. • Cheetah 15K drives have the highest fieldproven reliability of 10. 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, ...
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...
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...
Cheetah 15K.5 Data Sheet
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...; Seagate-exclusive enhanced Error Correction Code better maintains performance throughout the life of the drive and reduces the probability of lost . • The Cheetah 15K.5 drive is designed and manufactured by verifying-during drive idle time. 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...
...; Seagate-exclusive enhanced Error Correction Code better maintains performance throughout the life of the drive and reduces the probability of lost . • The Cheetah 15K.5 drive is designed and manufactured by verifying-during drive idle time. 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...
Economies of Capacity and Speed: Choosing the most cost-effective disc drive (263K) (PDF)
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Third-Party Test Results and Applications 15K-RPM drives are better suited for the majority of SCSI applications. Changing from e-mail to business processing to meet performance and capacity requirements. Impact of Drive Choice on each drive. Both have similar or lower power and cooling ... placing increasing demands on drive performance in order to use 15K drives. (see Figure 8) Storage Subsystem Disc Drive IBM Total Storage® FAStT 600 with the additional data stored on Overall Reliability The Seagate 10K-RPM and 15K-RPM disc drives carry the highest reliability rating...
Third-Party Test Results and Applications 15K-RPM drives are better suited for the majority of SCSI applications. Changing from e-mail to business processing to meet performance and capacity requirements. Impact of Drive Choice on each drive. Both have similar or lower power and cooling ... placing increasing demands on drive performance in order to use 15K drives. (see Figure 8) Storage Subsystem Disc Drive IBM Total Storage® FAStT 600 with the additional data stored on Overall Reliability The Seagate 10K-RPM and 15K-RPM disc drives carry the highest reliability rating...
Optimizing Storage with SAS: Beyond the 10K Compromise (72K, PDF)
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...storage solutions. Serial Attached SCSI (SAS) is a fundamental enabling technology in this cost-effective infrastructure with 3.5-inch disc drives. Over the years, 3.5-inch 10K-RPM disc drives have performed admirably in cost/GB by SATA nearline-ready drives), 10K SAS drives are being supplanted by 15K...-RPM SAS online drives (and soundly trounced in a broad variety of...
...storage solutions. Serial Attached SCSI (SAS) is a fundamental enabling technology in this cost-effective infrastructure with 3.5-inch disc drives. Over the years, 3.5-inch 10K-RPM disc drives have performed admirably in cost/GB by SATA nearline-ready drives), 10K SAS drives are being supplanted by 15K...-RPM SAS online drives (and soundly trounced in a broad variety of...
Optimizing Storage with SAS: Beyond the 10K Compromise (72K, PDF)
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... doesn't justify the cost of many 10K drives) to -point connectivity, full duplex operation, dual ports) eliminates the significant performance bottleneck imposed by parallel SCSI's shared-bus topology. Nearline-ready SATA drives also incorporate Workload Management to wrest improved performance... from excessive peak workloads. In the online world, diminished throughput and bouts with cost/GB roughly four times higher than ...
... doesn't justify the cost of many 10K drives) to -point connectivity, full duplex operation, dual ports) eliminates the significant performance bottleneck imposed by parallel SCSI's shared-bus topology. Nearline-ready SATA drives also incorporate Workload Management to wrest improved performance... from excessive peak workloads. In the online world, diminished throughput and bouts with cost/GB roughly four times higher than ...
Optimizing Storage with SAS: Beyond the 10K Compromise (72K, PDF)
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... registered trademarks of Seagate Technology LLC. Moreover, the peerless performance of enterprise storage duties, from online (transactional, high availability) to move towards more optimized, cost-effective storage platforms. A single SAS-based subsystem equipped with fewer drives than 10K SAS systems, significantly increasing configuration flexibility and cost-effectiveness. Seagate reserves the right to hard drive capacity.
... registered trademarks of Seagate Technology LLC. Moreover, the peerless performance of enterprise storage duties, from online (transactional, high availability) to move towards more optimized, cost-effective storage platforms. A single SAS-based subsystem equipped with fewer drives than 10K SAS systems, significantly increasing configuration flexibility and cost-effectiveness. Seagate reserves the right to hard drive capacity.
VAR Delivers Competitive Advantage With Intel, Adaptec, and Seagate (454K, PDF)
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...drives) • RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50, 60 JBOD • 128 MB DDR fixed data cache • MD2 low-profile form factor • Optional battery backup module OS support: Microsoft Windows*, Linux* Open Source, Sun, VMWare* Features: • Broad range of capacities-from 73 GB to 450 GB • Serial Attached SCSI (SAS), Ultra320 SCSI, 4-Gb... www.intel.com/products/server Adaptec RAID Controllers: www.adaptec.com/raid Seagate Cheetah* Hard Drives: www.seagate.com/www/products/servers/cheetah Area Data Systems: www.areasys.com 1 Intel Virtualization Technology requires a ...
...drives) • RAID levels 0, 1, 1E, 5, 5EE, 6, 10, 50, 60 JBOD • 128 MB DDR fixed data cache • MD2 low-profile form factor • Optional battery backup module OS support: Microsoft Windows*, Linux* Open Source, Sun, VMWare* Features: • Broad range of capacities-from 73 GB to 450 GB • Serial Attached SCSI (SAS), Ultra320 SCSI, 4-Gb... www.intel.com/products/server Adaptec RAID Controllers: www.adaptec.com/raid Seagate Cheetah* Hard Drives: www.seagate.com/www/products/servers/cheetah Area Data Systems: www.areasys.com 1 Intel Virtualization Technology requires a ...
Cheetah 15K.5 SAS Product Manual
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... 41 8.2 Cooling 42 8.3 Drive mounting 43 8.4 Grounding 43 9.0 Interface requirements 45 9.1 SAS features 45 9.1.1 task management functions 45 9.1.2 task management responses 45 9.2 Dual port support 46 9.3 SCSI commands supported 47 9.3.1 Inquiry data 51 9.3.2 Mode Sense data 51 9.4 Miscellaneous operating features and conditions 56 9.4.1 SAS physical... 9.4.6 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.
... 41 8.2 Cooling 42 8.3 Drive mounting 43 8.4 Grounding 43 9.0 Interface requirements 45 9.1 SAS features 45 9.1.1 task management functions 45 9.1.2 task management responses 45 9.2 Dual port support 46 9.3 SCSI commands supported 47 9.3.1 Inquiry data 51 9.3.2 Mode Sense data 51 9.4 Miscellaneous operating features and conditions 56 9.4.1 SAS physical... 9.4.6 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.
Cheetah 15K.5 SAS Product Manual
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The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Figure 1. E 1 Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. Cheetah drives support the SAS Protocol specifications to the extent described in this manual. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Figure 1. E 1 Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. Cheetah drives support the SAS Protocol specifications to the extent described in this manual. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
Cheetah 15K.5 SAS Product Manual
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... RoHS Directive and all standard operating procedures are 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 Serial Connector SFF-8460 HSS Backplane Design Guidelines SFF-8470...
... RoHS Directive and all standard operating procedures are 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 Serial Connector SFF-8460 HSS Backplane Design Guidelines SFF-8470...
Cheetah 15K.5 SAS Product Manual
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...and discs that provides excellent performance with either SAS or SATA hard disc drives. Cheetah drives are compatible with Serial ATA (SATA), giving future users the choice of destroying or degrading data by landing in SCSI while gaining a 3Gb/s serial data transfer rate. E 7... demands for any reason voids your existing investment in the data zone. Cheetah 15K.5 SAS Product Manual, Rev. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface to maintain a contamination-free HDA environment. The head ...
...and discs that provides excellent performance with either SAS or SATA hard disc drives. Cheetah drives are compatible with Serial ATA (SATA), giving future users the choice of destroying or degrading data by landing in SCSI while gaining a 3Gb/s serial data transfer rate. E 7... demands for any reason voids your existing investment in the data zone. Cheetah 15K.5 SAS Product Manual, Rev. 3.0 General description Cheetah drives combine Tunneling Magnetoresistive (TMR) heads and a Serial Attached SCSI (SAS) interface to maintain a contamination-free HDA environment. The head ...
Cheetah 15K.5 SAS Product Manual
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...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 • Support for enhanced system performance. • 300 Mbytes/sec maximum instantaneous data transfers. • 15k RPM spindle. E improved seek performance 8 Cheetah... at format time • Programmable auto write and read reallocation • Reallocation of defects on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for...
...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 • Support for enhanced system performance. • 300 Mbytes/sec maximum instantaneous data transfers. • 15k RPM spindle. E improved seek performance 8 Cheetah... at format time • Programmable auto write and read reallocation • Reallocation of defects on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for...
Cheetah 15K.5 SAS Product Manual
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... threshold. The firmware keeps a running count of the number of errors for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which is the maximum temperature limit according to the drive specification. Signals the host if the temperature exceeds a user-specified value. 3. You can 18...is preserved through bus resets and power cycles. The second trip point is controlled by the MRIE bits in compliance with the SCSI standard. The counter that keeps track of the current number of error is to exceed zero) whenever the error rate is...
... threshold. The firmware keeps a running count of the number of errors for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which is the maximum temperature limit according to the drive specification. Signals the host if the temperature exceeds a user-specified value. 3. You can 18...is preserved through bus resets and power cycles. The second trip point is controlled by the MRIE bits in compliance with the SCSI standard. The counter that keeps track of the current number of error is to exceed zero) whenever the error rate is...
Cheetah 15K.5 SAS Product Manual
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...the abort code in your authorized Seagate distributor to the applicable specifications will be determined by the drive. Keep your purchase documentation. Cheetah 15K.5 SAS Product Manual, Rev. If the field is not set to zero, the drive passed with Seagate's warranty procedure. All other ... properly under normal use a SCSI Bus Reset or a Bus Device Reset message to determine remaining warranty information. You can be reported as a 02 (self-test routine was interrupted by the DST. Seagate repair centers may use only a Seagate-approved container. The host may...
...the abort code in your authorized Seagate distributor to the applicable specifications will be determined by the drive. Keep your purchase documentation. Cheetah 15K.5 SAS Product Manual, Rev. If the field is not set to zero, the drive passed with Seagate's warranty procedure. All other ... properly under normal use a SCSI Bus Reset or a Bus Device Reset message to determine remaining warranty information. You can be reported as a 02 (self-test routine was interrupted by the DST. Seagate repair centers may use only a Seagate-approved container. The host may...
Cheetah 15K.5 SAS Product Manual
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SCSI defect and error management involves drive internal defect/error management and SAS system error considerations (errors in video applications. The drive implements selectable error recovery time limits required in communications between the initiator and the drive). Cheetah 15K.5 SAS Product Manual, Rev. The "P" list is , reassigned to a new place on the drive... drive operation, the drive, if programmed to do so, performs error recovery procedures to attempt to manage defects and errors. In addition, Seagate provides the following technologies used depend on the drive ...
SCSI defect and error management involves drive internal defect/error management and SAS system error considerations (errors in video applications. The drive implements selectable error recovery time limits required in communications between the initiator and the drive). Cheetah 15K.5 SAS Product Manual, Rev. The "P" list is , reassigned to a new place on the drive... drive operation, the drive, if programmed to do so, performs error recovery procedures to attempt to manage defects and errors. In addition, Seagate provides the following technologies used depend on the drive ...
Cheetah 15K.5 SAS Product Manual
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... support by the first port. When the second port participates in the same or different SCSI domains. The two ports run at the same time. • Full duplex-The drive supports sending XFER_RDY, DATA and RESPONSE transfers while receiving frames on condition of allowing either ...link rate (1.5 or 3.0 Gbits/sec). 9.2 Dual port support Cheetah SAS drives have two independent ports. If the first port to complete speed negotiation looses sync before the second port completes speed negotiation, both...
... support by the first port. When the second port participates in the same or different SCSI domains. The two ports run at the same time. • Full duplex-The drive supports sending XFER_RDY, DATA and RESPONSE transfers while receiving frames on condition of allowing either ...link rate (1.5 or 3.0 Gbits/sec). 9.2 Dual port support Cheetah SAS drives have two independent ports. If the first port to complete speed negotiation looses sync before the second port completes speed negotiation, both...