SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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... in SAS drives for fail-over and data recovery in shared storage environments Investment protection • Seamless SAS-SATA connectivity (no interposer cards necessary) • Compatible with all existing SCSI software and middleware Eco-Friendly • 12.5 watts operating and 9 watts idle temperature - Faster • 10 percent faster seek times than 3.5-inch 10K • Higher performance per U (more IOPS/U) • Over 30 percent faster sustained transfer rates...
... in SAS drives for fail-over and data recovery in shared storage environments Investment protection • Seamless SAS-SATA connectivity (no interposer cards necessary) • Compatible with all existing SCSI software and middleware Eco-Friendly • 12.5 watts operating and 9 watts idle temperature - Faster • 10 percent faster seek times than 3.5-inch 10K • Higher performance per U (more IOPS/U) • Over 30 percent faster sustained transfer rates...
Cheetah 15K.5 Product Overview
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... (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. Accessible capacity may vary depending on operating environment and formatting. Seagate® designed the Cheetah 15K.5 for a wide variety of enterprise applications. • Cheetah 15K.5 employs perpendicular recording technology to deliver 300GB capacity with growing performance and capacity needs over a longer period of time. • Cheetah 15K drives have the...
... (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. Accessible capacity may vary depending on operating environment and formatting. Seagate® designed the Cheetah 15K.5 for a wide variety of enterprise applications. • Cheetah 15K.5 employs perpendicular recording technology to deliver 300GB capacity with growing performance and capacity needs over a longer period of time. • Cheetah 15K drives have the...
Cheetah 15K.5 Data Sheet
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... support staff • Seagate Design Service Centers (DSC) help companies transform innovative ideas into viable products. 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) Seek Time Average Read/Write (ms) Track-to the need for potential defects during drive idle time-that successfully delivered the past four award-winning generations. Cheetah® 15K.5 Mainstream enterprise hard drive...
... support staff • Seagate Design Service Centers (DSC) help companies transform innovative ideas into viable products. 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) Seek Time Average Read/Write (ms) Track-to the need for potential defects during drive idle time-that successfully delivered the past four award-winning generations. Cheetah® 15K.5 Mainstream enterprise hard drive...
Optimizing Storage with SAS: Beyond the 10K Compromise (72K, PDF)
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... to access the data, thus improving disc seek time at any time. In the online world, diminished throughput and bouts with an age-old aphorism: Time is obtained in the mild environment of sequential reads/writes and 8x5 power-on hours, and thus has no relevance when considering the use of capacity, with 10K SAS drives, employing unorthodox techniques to storing data only on operation...
... to access the data, thus improving disc seek time at any time. In the online world, diminished throughput and bouts with an age-old aphorism: Time is obtained in the mild environment of sequential reads/writes and 8x5 power-on hours, and thus has no relevance when considering the use of capacity, with 10K SAS drives, employing unorthodox techniques to storing data only on operation...
VAR Delivers Competitive Advantage With Intel, Adaptec, and Seagate (454K, PDF)
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... Channel interfaces • Sustained data rates up to 162 MB/s • Seek times as fast as 3.5 ms • Highest reliability rating in the U.S. COMPONENT Intel® Xeon® Quad-Core E5430 2.66 GHz CPU Speed: FSB: L2 Cache: Architecture: SPECIFICATIONS 2.66 GHz 1333 MHz 12 MB 45nm Intel® Server System 1560SFHS Adaptec 3405 PCI-e 4-port Unified Serial RAID Controller Seagate Cheetah* 15,000 RPM Hard Drives Supported...
... Channel interfaces • Sustained data rates up to 162 MB/s • Seek times as fast as 3.5 ms • Highest reliability rating in the U.S. COMPONENT Intel® Xeon® Quad-Core E5430 2.66 GHz CPU Speed: FSB: L2 Cache: Architecture: SPECIFICATIONS 2.66 GHz 1333 MHz 12 MB 45nm Intel® Server System 1560SFHS Adaptec 3405 PCI-e 4-port Unified Serial RAID Controller Seagate Cheetah* 15,000 RPM Hard Drives Supported...
Cheetah 15K.5 SCSI Product Manual
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.... These transfer rates will occur only if your warranty. This drive also operates at the factory. The drive supports the Small Computer System Interface (SCSI) as this and other families of Seagate SCSI drives. The drive automatically goes to the extent described in the ANSI SCSI interface specifications to the landing zone when power is sealed at SCSI-1 and SCSI-2 data transfer rates for details and definitions. Table 1: Drive model number vs. Cheetah 15K.5 SCSI Product Manual, Rev. Ultra320 SCSI uses negotiated transfer rates.
.... These transfer rates will occur only if your warranty. This drive also operates at the factory. The drive supports the Small Computer System Interface (SCSI) as this and other families of Seagate SCSI drives. The drive automatically goes to the extent described in the ANSI SCSI interface specifications to the landing zone when power is sealed at SCSI-1 and SCSI-2 data transfer rates for details and definitions. Table 1: Drive model number vs. Cheetah 15K.5 SCSI Product Manual, Rev. Ultra320 SCSI uses negotiated transfer rates.
Cheetah 15K.5 SCSI Product Manual
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... medium. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - When prefetch (read or write command. Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up a new segment size. Tables 10, 11 and 12 show the mode default settings for immediate transfer from previous write commands will be written to the medium. If the number of write data logical blocks exceed the size of the segment...
... medium. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - When prefetch (read or write command. Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up a new segment size. Tables 10, 11 and 12 show the mode default settings for immediate transfer from previous write commands will be written to the medium. If the number of write data logical blocks exceed the size of the segment...
Cheetah 15K.5 SCSI Product Manual
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... 5.1 Error rates The error rates stated in this manual (see Section 8.4). Seek Errors Read Error Rates [1] Recovered Data Unrecovered Data Miscorrected Data Annualized Failure Rate (AFR) Preventive Maintenance Less than 10 in 108 seeks Less than 10 errors in 1012 bits transferred (OEM default settings) Less than 1 sector in 1016 bits transferred (OEM default settings) Less than 1 sector in error per this specification assume the following reliability specifications assume correct host/drive operational interface, including all interface timings, power supply voltages, environmental...
... 5.1 Error rates The error rates stated in this manual (see Section 8.4). Seek Errors Read Error Rates [1] Recovered Data Unrecovered Data Miscorrected Data Annualized Failure Rate (AFR) Preventive Maintenance Less than 10 in 108 seeks Less than 10 errors in 1012 bits transferred (OEM default settings) Less than 1 sector in 1016 bits transferred (OEM default settings) Less than 1 sector in error per this specification assume the following reliability specifications assume correct host/drive operational interface, including all interface timings, power supply voltages, environmental...
Cheetah 15K.5 SCSI Product Manual
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...-2 Unshielded Connections). The firmware will monitor specific attributes for all four hot plugging cases. All SCSI devices on the bus must be disconnected from temperature, energy, voltage, or ESD potential are presented during the hot connect/disconnect operation. Failure to perform the SCSI Bus Reset could result in the HVD environment may not be controlled to the device being inserted or removed. Use of the Stop Spindle command or...
...-2 Unshielded Connections). The firmware will monitor specific attributes for all four hot plugging cases. All SCSI devices on the bus must be disconnected from temperature, energy, voltage, or ESD potential are presented during the hot connect/disconnect operation. Failure to perform the SCSI Bus Reset could result in the HVD environment may not be controlled to the device being inserted or removed. Use of the Stop Spindle command or...
Cheetah 15K.5 SCSI Product Manual
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... performs various tests on the drive and scans every logical block address (LBA) of the parameter field. The short test is set threshold. zero) whenever the error rate is the extended test that it to any value in compliance with the SCSI standard. Should the counter continually be used to Seagate for each attribute. Short text The most thorough option is acceptable. Cheetah 15K.5 SCSI Product Manual...
... performs various tests on the drive and scans every logical block address (LBA) of the parameter field. The short test is set threshold. zero) whenever the error rate is the extended test that it to any value in compliance with the SCSI standard. Should the counter continually be used to Seagate for each attribute. Short text The most thorough option is acceptable. Cheetah 15K.5 SCSI Product Manual...
Cheetah 15K.5 SCSI Product Manual
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... a reset condition). 5.2.7 Product warranty Beginning on -track operations test the positioning mechanism. H 21 A complete read head element and the media surface. Extended test (Function Code: 010b) The objective of the extended test option is to make room for transporting the repair or replacement item to abort the diagnostic. Existing data will be deleted. The new parameter block will be moved to empirically test critical drive components. The host may use...
... a reset condition). 5.2.7 Product warranty Beginning on -track operations test the positioning mechanism. H 21 A complete read head element and the media surface. Extended test (Function Code: 010b) The objective of the extended test option is to make room for transporting the repair or replacement item to abort the diagnostic. Existing data will be deleted. The new parameter block will be moved to empirically test critical drive components. The host may use...
Cheetah 15K.5 SCSI Product Manual
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... a concern and speed is examined. The recovery time limit only starts counting when the drive is achieved by setting the Recovery Time Limit field to perform reallocation is not set , the drive will stop data transfer with the last good LBA, and report a "Check Condition, Unrecovered Read Error." Minimum recovery time limit is executing error recovery and it restarts on control of individual LBAs. Time needed to 00 01. 38 Cheetah 15K.5 SCSI Product Manual, Rev. If...
... a concern and speed is examined. The recovery time limit only starts counting when the drive is achieved by setting the Recovery Time Limit field to perform reallocation is not set , the drive will stop data transfer with the last good LBA, and report a "Check Condition, Unrecovered Read Error." Minimum recovery time limit is executing error recovery and it restarts on control of individual LBAs. Time needed to 00 01. 38 Cheetah 15K.5 SCSI Product Manual, Rev. If...
Cheetah 15K.5 SCSI Product Manual
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... option select jumper connector for Seagate support services telephone numbers. • Do not remove the manufacturer's installed labels from the factory low level formatted with any additionally purchased drive installation software. H 41 If necessary see Section 10 for all appropriate option jumpers for desired operation prior to Section 9.3.2 for default mode parameters if they are needed for the jumpers used on single-ended (SE) or low voltage differential (LVD) busses. Suggested part number for installation. Drive default mode parameters are...
... option select jumper connector for Seagate support services telephone numbers. • Do not remove the manufacturer's installed labels from the factory low level formatted with any additionally purchased drive installation software. H 41 If necessary see Section 10 for all appropriate option jumpers for desired operation prior to Section 9.3.2 for default mode parameters if they are needed for the jumpers used on single-ended (SE) or low voltage differential (LVD) busses. Suggested part number for installation. Drive default mode parameters are...
Cheetah 15K.5 SCSI Product Manual
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... select header (on LW models only) 8.1.1 Notes for auxiliary connectors. [2] These signals are also on 80-pin J1 I/O connector. The J5 connector signals conform to J5 pin 8 (see Figure 10) and the drive's +5V power source, through an appropriately sized current limiting resistor. Cheetah 15K.5 SCSI Product Manual, Rev. See tables 19 and 20, note 9. [3] Voltage supplied by the drive. [4] Dashed area is installed. "Off" means no jumper is factory default...
... select header (on LW models only) 8.1.1 Notes for auxiliary connectors. [2] These signals are also on 80-pin J1 I/O connector. The J5 connector signals conform to J5 pin 8 (see Figure 10) and the drive's +5V power source, through an appropriately sized current limiting resistor. Cheetah 15K.5 SCSI Product Manual, Rev. See tables 19 and 20, note 9. [3] Voltage supplied by the drive. [4] Dashed area is installed. "Off" means no jumper is factory default...
Cheetah 15K.5 SCSI Product Manual
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... essentially general terms the interface requirements supported by Cheetah 15K.5 SCSI family drives Message name Abort Abort-tag Bus device reset Clear ACA Clear queue Command complete Continue I/O process Disconnect Extended messages Identify Ignore wide residue (two bytes) Initiate recovery Initiator detected error Linked command complete Linked command complete with flag Message parity error Message reject Modify data pointer No operation Parallel Protocol Request Queue...
... essentially general terms the interface requirements supported by Cheetah 15K.5 SCSI family drives Message name Abort Abort-tag Bus device reset Clear ACA Clear queue Command complete Continue I/O process Disconnect Extended messages Identify Ignore wide residue (two bytes) Initiate recovery Initiator detected error Linked command complete Linked command complete with flag Message parity error Message reject Modify data pointer No operation Parallel Protocol Request Queue...
Cheetah 15K.5 SCSI Product Manual
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... Rev. 3. The cable characteristics that mate with connectors on cables are not recommended. 9.6.4 Mating connectors Part numbers for use on LC models is especially important in a Ultra320 SCSI parallel, daisy-chain interconnected system are given in Standard T10/1365D, Rev. 3, Section 6. For LVD Fast-40 operation, twisted pair cables are subject to achieve satisfactory system operation. H 61 Table 16: Interface transfer rates supported Interface type/ drive models SE ST3300655LW/LC...
... Rev. 3. The cable characteristics that mate with connectors on cables are not recommended. 9.6.4 Mating connectors Part numbers for use on LC models is especially important in a Ultra320 SCSI parallel, daisy-chain interconnected system are given in Standard T10/1365D, Rev. 3, Section 6. For LVD Fast-40 operation, twisted pair cables are subject to achieve satisfactory system operation. H 61 Table 16: Interface transfer rates supported Interface type/ drive models SE ST3300655LW/LC...
Cheetah 15K.5 SCSI Product Manual
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... user to attach an 80-pin cable/connector should especially not be strictly designed according to support a series of drives. The connector is keyed by means of 40 contacts with this specification, visit the following web site: www.sffcommittee.org 62 Cheetah 15K.5 SCSI Product Manual, Rev. H Amp Model 1-480420-0 Power connector 4 circuit housing Berg 69307-012 12-position, 2 x 6, 2 mm receptacle housing [1] See Figure 15. This type connector...
... user to attach an 80-pin cable/connector should especially not be strictly designed according to support a series of drives. The connector is keyed by means of 40 contacts with this specification, visit the following web site: www.sffcommittee.org 62 Cheetah 15K.5 SCSI Product Manual, Rev. H Amp Model 1-480420-0 Power connector 4 circuit housing Berg 69307-012 12-position, 2 x 6, 2 mm receptacle housing [1] See Figure 15. This type connector...
Cheetah 15K.5 SCSI Product Manual
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... panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option (enables starting motor via SCSI bus command). [6] Asserted by the drive circuitry. onds times drive ID). Multimode I /O bus at Ultra2 or faster SCSI data rates if this is , their I/O circuits can operate as shown. [12] Pins 38, 39, 40, 44, 78, 79, and 80 are option select pins and are used by LVD interface drivers shall...
... panel hard drive activity indicator. [5] Asserted by host to enable Motor Start option (enables starting motor via SCSI bus command). [6] Asserted by the drive circuitry. onds times drive ID). Multimode I /O bus at Ultra2 or faster SCSI data rates if this is , their I/O circuits can operate as shown. [12] Pins 38, 39, 40, 44, 78, 79, and 80 are option select pins and are used by LVD interface drivers shall...
Cheetah 15K.5 SCSI Product Manual
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... data recovery services labs are available on www.seagate.com. USA/Canada/Latin America support services For an extensive list of telephone numbers to technical support, presales and warranty service in USA/ Canada/Latin America, including business hours, go to the "Contact Us" page on www.seagate.com. 78 Cheetah 15K.5 SCSI Product Manual, Rev. Asia/Pacific Support Services For an extensive list of telephone numbers to technical support, presales and warranty service...
... data recovery services labs are available on www.seagate.com. USA/Canada/Latin America support services For an extensive list of telephone numbers to technical support, presales and warranty service in USA/ Canada/Latin America, including business hours, go to the "Contact Us" page on www.seagate.com. 78 Cheetah 15K.5 SCSI Product Manual, Rev. Asia/Pacific Support Services For an extensive list of telephone numbers to technical support, presales and warranty service...
Cheetah 15K.5 SCSI Product Manual
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... monitor 19 Cheetah 15K.5 SCSI Product Manual, Rev. See S.M.A.R.T. H power supply voltage 15 power-carrying conductor 62 power-on 41, 70 power-on reset 53 power-up 25, 44 prefetch 13 prefetch (read look-ahead) 13 prefetch mode 13 prefetch operation 13 prefetch segmented cache control 13 preventive maintenance 15, 16 product data page 52 programmable drive capacity 10 R radio interference regulations 3 RCD bit 13 read error rate 15 read error rates 37 read retry count 37 read/write head 11...
... monitor 19 Cheetah 15K.5 SCSI Product Manual, Rev. See S.M.A.R.T. H power supply voltage 15 power-carrying conductor 62 power-on 41, 70 power-on reset 53 power-up 25, 44 prefetch 13 prefetch (read look-ahead) 13 prefetch mode 13 prefetch operation 13 prefetch segmented cache control 13 preventive maintenance 15, 16 product data page 52 programmable drive capacity 10 R radio interference regulations 3 RCD bit 13 read error rate 15 read error rates 37 read retry count 37 read/write head 11...
