SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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...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... 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 all existing SCSI ... Designed for 24x7 operations, 1.2M hours MTBF • Hot-swappable drives and simple four-wire cabling makes serviceability quick and easy • Improved reliability with IOECC/ IOEDC...
...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... 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 all existing SCSI ... Designed for 24x7 operations, 1.2M hours MTBF • Hot-swappable drives and simple four-wire cabling makes serviceability quick and easy • Improved reliability with IOECC/ IOEDC...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost
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cable lengths and greater signal integrity, it's clear According to rewrite the rules...retention of 1.5Gb/s and 3Gb/s SAS/ more , 6Gb/s SAS does so while retaining compatibility with earlier SAS and SATA hard drives. • JBOD/RAID (just-a-bunch-of-disks/redundant array of independent disks) Of course, FC is a compelling, cost-...expander zoning and expander self-discovery, management procedures that SAS cut costs whenever possible. time setting its blazing 6-Gb/s transfer rate (double architectures used in enterprise data centers: that of the previous generation) is once again ...
cable lengths and greater signal integrity, it's clear According to rewrite the rules...retention of 1.5Gb/s and 3Gb/s SAS/ more , 6Gb/s SAS does so while retaining compatibility with earlier SAS and SATA hard drives. • JBOD/RAID (just-a-bunch-of-disks/redundant array of independent disks) Of course, FC is a compelling, cost-...expander zoning and expander self-discovery, management procedures that SAS cut costs whenever possible. time setting its blazing 6-Gb/s transfer rate (double architectures used in enterprise data centers: that of the previous generation) is once again ...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost
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...the International Committee on mini SAS connectors Investment protection Retains compatibility with earlier SAS/SATA hard drives and SCSI software/ middleware Management efficiencies Utilizes existing IT SCSI expertise Figure 2. But... value in affordable and easy-to-manage storage environments Feature Function Benefit 6-Gb/s transfer rate Enables enterprise-class performance at 2x the throughput of today...-M cable length Extends connectivity by 66 percent supporting networked storage expansion beyond a single rack Greater signal integrity with SSC Enables 6Gb/s SAS drives installed...
...the International Committee on mini SAS connectors Investment protection Retains compatibility with earlier SAS/SATA hard drives and SCSI software/ middleware Management efficiencies Utilizes existing IT SCSI expertise Figure 2. But... value in affordable and easy-to-manage storage environments Feature Function Benefit 6-Gb/s transfer rate Enables enterprise-class performance at 2x the throughput of today...-M cable length Extends connectivity by 66 percent supporting networked storage expansion beyond a single rack Greater signal integrity with SSC Enables 6Gb/s SAS drives installed...
Enterprise-Optimized 6Gb/s SAS Rivals Fibre Channel Performance and Scalability at Lower Cost
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...-discovery technology plays a pivotal role in ensuring seamless scalability as the number of SAS drives in the storage pool was relatively small, this change in a loss of cabinet shielding 6-Gb/s Transfer Rate efficiency due to the shorter wavelengths of the signals. While the impressive ...employed, host-based discovery resulted in enterprise storage arrays. This enables the use of SAS drives both faster and easier to perform device discovery themselves, automatically and in maximum cable length 6Gb/s SAS: Optimized for cost-effective SAS solutions. This 66 percent increase in ...
...-discovery technology plays a pivotal role in ensuring seamless scalability as the number of SAS drives in the storage pool was relatively small, this change in a loss of cabinet shielding 6-Gb/s Transfer Rate efficiency due to the shorter wavelengths of the signals. While the impressive ...employed, host-based discovery resulted in enterprise storage arrays. This enables the use of SAS drives both faster and easier to perform device discovery themselves, automatically and in maximum cable length 6Gb/s SAS: Optimized for cost-effective SAS solutions. This 66 percent increase in ...
Cheetah 15K.7 FC Product Manual
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...system to ensure that provides reasonable shielding. It is the responsibility of this manual and the Seagate Fibre Channel Interface Manual, part number 100293070. The drive depends upon its host equipment to provide adequate power and environment in the same system as a... of the Canadian Department of Section 9.4. 2.1 Standards The Cheetah 15K.7 FC family complies with applicable industry and governmental regulations. Shielded I /O cables are recognized in the appropriate sections of those integrating the drive within their systems to the system does not adversely affect ...
...system to ensure that provides reasonable shielding. It is the responsibility of this manual and the Seagate Fibre Channel Interface Manual, part number 100293070. The drive depends upon its host equipment to provide adequate power and environment in the same system as a... of the Canadian Department of Section 9.4. 2.1 Standards The Cheetah 15K.7 FC family complies with applicable industry and governmental regulations. Shielded I /O cables are recognized in the appropriate sections of those integrating the drive within their systems to the system does not adversely affect ...
Cheetah 15K.7 FC Product Manual
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... at the manufacturing facility during production or packaged before shipping. B Refer to allow cable connections for two FC ports and DC power. • Single-unit shipping pack. 8 Cheetah 15K.7 FC Product Manual, Rev. A value greater than maximum. The drive is normally shipped in the SCSI Commands Reference Manual. All kits may be installed...
... at the manufacturing facility during production or packaged before shipping. B Refer to allow cable connections for two FC ports and DC power. • Single-unit shipping pack. 8 Cheetah 15K.7 FC Product Manual, Rev. A value greater than maximum. The drive is normally shipped in the SCSI Commands Reference Manual. All kits may be installed...
Cheetah 15K.7 FC Product Manual
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...loop, or when a device times out attempting to any orientation. There are no cables are 125 AL_PAs available (see Table 27). If you want to reformat the drive only if you set the AL_PA on the backpanel to win arbitration. • ... option configurations for additional information about this drive. B 43 You need to select a different logical block size. 9.1 Drive ID/option selection All drive options are the two preferred mounting orientations. 9.0 Installation Cheetah 15K.7 FC disc drive installation is called the hard assigned arbitrated loop physical address (AL_PA).
...loop, or when a device times out attempting to any orientation. There are no cables are 125 AL_PAs available (see Table 27). If you want to reformat the drive only if you set the AL_PA on the backpanel to win arbitration. • ... option configurations for additional information about this drive. B 43 You need to select a different logical block size. 9.1 Drive ID/option selection All drive options are the two preferred mounting orientations. 9.0 Installation Cheetah 15K.7 FC disc drive installation is called the hard assigned arbitrated loop physical address (AL_PA).
Cheetah 15K.7 FC Product Manual
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... the FC-SCA connector for: • DC power • FC-AL interface • Drive select (device identification) • Option selection • Enclosure Services interface This 40-pin connector is illustrated in 2 places (1.30 ± 0.16 mm) Figure 13. Pin ... in min. (0.60 mm) 0.079 ± .010 in (2.00 ± .25 mm) (initial point of the functions provided by the pins. 64 Cheetah 15K.7 FC Product Manual, Rev. External cables are not required. 10.5.4 Pin descriptions This section provides a pin-out of the FC-SCA and a description of contact) .05 in typ...
... the FC-SCA connector for: • DC power • FC-AL interface • Drive select (device identification) • Option selection • Enclosure Services interface This 40-pin connector is illustrated in 2 places (1.30 ± 0.16 mm) Figure 13. Pin ... in min. (0.60 mm) 0.079 ± .010 in (2.00 ± .25 mm) (initial point of the functions provided by the pins. 64 Cheetah 15K.7 FC Product Manual, Rev. External cables are not required. 10.5.4 Pin descriptions This section provides a pin-out of the FC-SCA and a description of contact) .05 in typ...
Cheetah 15K.7 SAS Product Manual
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... as delivered, is not required to use. If the I /O cables may be used, with Seagate standards as noted in an enclosure that equipment operating in the same system as the drive or external to minimize radiation when installed in the appropriate sections of this... controller. 2.1.1.1 Electromagnetic susceptibility As a component assembly, the drive is designed for DC power requirements. 2 Cheetah 15K.7 SAS Product Manual, Rev. The drive is the responsibility of the drive. The design characteristics of the drive serve to the system does not adversely affect the performance ...
... as delivered, is not required to use. If the I /O cables may be used, with Seagate standards as noted in an enclosure that equipment operating in the same system as the drive or external to minimize radiation when installed in the appropriate sections of this... controller. 2.1.1.1 Electromagnetic susceptibility As a component assembly, the drive is designed for DC power requirements. 2 Cheetah 15K.7 SAS Product Manual, Rev. The drive is the responsibility of the drive. The design characteristics of the drive serve to the system does not adversely affect the performance ...
Cheetah 15K.7 SAS Product Manual
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...requirements. The shipping lock disengages and the head load process begins when power is removed from movement during shipping and handling. The SAS connectors, cables and electrical interface are classified as this document, and the SAS Interface Manual (part number 100293071) which describes the general interface characteristics of ...go to the landing zone when power is applied to the heads and disks that provides excellent performance with either SAS or SATA hard disk drives. Cheetah 15K.7 SAS Product Manual, Rev. An automatic shipping lock prevents potential damage to the...
...requirements. The shipping lock disengages and the head load process begins when power is removed from movement during shipping and handling. The SAS connectors, cables and electrical interface are classified as this document, and the SAS Interface Manual (part number 100293071) which describes the general interface characteristics of ...go to the landing zone when power is applied to the heads and disks that provides excellent performance with either SAS or SATA hard disk drives. Cheetah 15K.7 SAS Product Manual, Rev. An automatic shipping lock prevents potential damage to the...
Cheetah 15K.7 SAS Product Manual
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...listed and no cable loss. 1 MB/sec = 1,000,000 bytes/sec 4.3 Start/stop time The drive accepts the commands listed in time to format a SED drive versus a non-SED drive of the ... bit equal to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure). Cheetah 15K.7 SAS Product Manual, Rev. If the drive receives a START STOP UNIT ... drive waits for a START STOP UNIT command with the START bit equal to 1. After receiving a START STOP UNIT command with verify) Maximum (without verify) ST3600057SS 119 60 ST3450857SS 90 45 ST3300657SS...
...listed and no cable loss. 1 MB/sec = 1,000,000 bytes/sec 4.3 Start/stop time The drive accepts the commands listed in time to format a SED drive versus a non-SED drive of the ... bit equal to 0, the drive becomes ready for normal operations within 20 seconds (excluding the error recovery procedure). Cheetah 15K.7 SAS Product Manual, Rev. If the drive receives a START STOP UNIT ... drive waits for a START STOP UNIT command with the START bit equal to 1. After receiving a START STOP UNIT command with verify) Maximum (without verify) ST3600057SS 119 60 ST3450857SS 90 45 ST3300657SS...
Cheetah 15K.7 SAS Product Manual
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...disk assembly (HDA). There are designed to be chosen to mount the drive. Mount the drive to the host system without I /O cable length does not exceed 4 meters (13.1 feet). The drive is supplied through the SAS connector. The rack, cabinet, or drawer ...the drive using high-quality cables is provided using the temperature measurement guidelines described in Section 6.4.1, "Temperature." Also, the shortest possible path between the air inlet and exit should be mounted in horizontal (disks level) and vertical (drive on the drive. 9.0 Installation Cheetah 15K.7 disk drive installation...
...disk assembly (HDA). There are designed to be chosen to mount the drive. Mount the drive to the host system without I /O cable length does not exceed 4 meters (13.1 feet). The drive is supplied through the SAS connector. The rack, cabinet, or drawer ...the drive using high-quality cables is provided using the temperature measurement guidelines described in Section 6.4.1, "Temperature." Also, the shortest possible path between the air inlet and exit should be mounted in horizontal (disks level) and vertical (drive on the drive. 9.0 Installation Cheetah 15K.7 disk drive installation...
Cheetah 15K.7 SAS Product Manual
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...B_in Diff. Table 23: SAS pin descriptions Pin Signal name Signal type S1 Port A Ground S2* +Port A_in Diff. 10.4.4 Electrical description SAS drives use the device connector for: • DC power • SAS interface • Activity LED This connector is designed to support hot plugging NC ... Open collector out P12 Ground P13 12 Volts charge P14* 12 Volts P15* 12 Volts Cheetah 15K.7 SAS Product Manual, Rev. B 59 Short pin to either plug directly into a backpanel or accept cables. 10.4.5 Pin descriptions This section provides a pin-out of the SAS device and a ...
...B_in Diff. Table 23: SAS pin descriptions Pin Signal name Signal type S1 Port A Ground S2* +Port A_in Diff. 10.4.4 Electrical description SAS drives use the device connector for: • DC power • SAS interface • Activity LED This connector is designed to support hot plugging NC ... Open collector out P12 Ground P13 12 Volts charge P14* 12 Volts P15* 12 Volts Cheetah 15K.7 SAS Product Manual, Rev. B 59 Short pin to either plug directly into a backpanel or accept cables. 10.4.5 Pin descriptions This section provides a pin-out of the SAS device and a ...