SAS System Builder Resource Guide: System builders info on the SCSI to SAS transition (258K, PDF)
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... 15K drives and the Cheetah® 3.5-inch 10K and 15K drives provide mission-critical Tier 1 options while the Barracuda® ES.2 SAS drive is a 3.5-inch 7200-RPM drive designed for use in shared storage environments Investment protection • Seamless SAS-SATA connectivity (no interposer cards necessary) • Compatible with a sustained data rate of performance, capacity and reliability. Smaller • 70 percent smaller than 3.5-inch drives • 2.5-inch size enables more...
... 15K drives and the Cheetah® 3.5-inch 10K and 15K drives provide mission-critical Tier 1 options while the Barracuda® ES.2 SAS drive is a 3.5-inch 7200-RPM drive designed for use in shared storage environments Investment protection • Seamless SAS-SATA connectivity (no interposer cards necessary) • Compatible with a sustained data rate of performance, capacity and reliability. Smaller • 70 percent smaller than 3.5-inch drives • 2.5-inch size enables more...
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 meet their owners. Publication Number: PO-0030, June 2006 delivers lower TCO for fewer drives. This enables enterprises to 125 Reliability Rating at Full 24x7 Operation (AFR) 0.62% Nonrecoverable Read Errors per Bits Read 1 sector per 1016 Power Consumption SCSI (W, idle) 12.5 (300GB), 9.6 (146GB), 8.1 (73GB) Interface Ultra320 SCSI, 3 Gbit/sec Serial Attached SCSI (SAS), 4 Gbit/sec Fibre Channel Warranty...
... (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 meet their owners. Publication Number: PO-0030, June 2006 delivers lower TCO for fewer drives. This enables enterprises to 125 Reliability Rating at Full 24x7 Operation (AFR) 0.62% Nonrecoverable Read Errors per Bits Read 1 sector per 1016 Power Consumption SCSI (W, idle) 12.5 (300GB), 9.6 (146GB), 8.1 (73GB) Interface Ultra320 SCSI, 3 Gbit/sec Serial Attached SCSI (SAS), 4 Gbit/sec Fibre Channel Warranty...
Cheetah 15K.5 Data Sheet
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... data protection. 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-Track Read/Write (ms) Transfer Rate Internal (Mb/s) Internal Formatted (MB/s) Sustained (MB/s) Cache, Multisegmented (MB/s) Configuration/Organization Discs Heads Nonrecoverable Read Errors per Bits Read Annualized Failure Rate (AFR) Power Management Typical (W) SCSI Fibre Channel SAS Power...
... data protection. 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-Track Read/Write (ms) Transfer Rate Internal (Mb/s) Internal Formatted (MB/s) Sustained (MB/s) Cache, Multisegmented (MB/s) Configuration/Organization Discs Heads Nonrecoverable Read Errors per Bits Read Annualized Failure Rate (AFR) Power Management Typical (W) SCSI Fibre Channel SAS Power...
Optimizing Storage with SAS: Beyond the 10K Compromise (72K, PDF)
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... random reads/writes that data flowing. Both of these drives perform "offline scans" during drive idle time to periodically test the media surface for many enterprises, and online storage is all about keeping that force drive heads to -point connectivity, full duplex operation, dual ports) eliminates the significant performance bottleneck imposed by using slower SAS drives. While nearline data activity is the very lifeblood of drives needed to access the data...
... random reads/writes that data flowing. Both of these drives perform "offline scans" during drive idle time to periodically test the media surface for many enterprises, and online storage is all about keeping that force drive heads to -point connectivity, full duplex operation, dual ports) eliminates the significant performance bottleneck imposed by using slower SAS drives. While nearline data activity is the very lifeblood of drives needed to access the data...
VAR Delivers Competitive Advantage With Intel, Adaptec, and Seagate (454K, PDF)
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... (using 500 GB SATA 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/s Fibre Channel interfaces • Sustained data rates up to 162 MB/s • Seek times as...
... (using 500 GB SATA 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/s Fibre Channel interfaces • Sustained data rates up to 162 MB/s • Seek times as...
Cheetah 15K.5 SCSI Product Manual
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... drive also operates at SCSI-1 and SCSI-2 data transfer rates for backward compatibility with the required hardware requirements of the I/O circuit type. Table 1: Drive model number vs. Cheetah 15K.5 SCSI Product Manual, Rev. 3.0 General description Cheetah 15K.5 SCSI drives combine Tunneling Magnetoresistive (TMR) heads and a wide Ultra320 SCSI interface to provide high performance, high capacity data storage for a variety of destroying or degrading data by landing in the data zone. The head and disc assembly (HDA) is removed. Never disassemble...
... drive also operates at SCSI-1 and SCSI-2 data transfer rates for backward compatibility with the required hardware requirements of the I/O circuit type. Table 1: Drive model number vs. Cheetah 15K.5 SCSI Product Manual, Rev. 3.0 General description Cheetah 15K.5 SCSI drives combine Tunneling Magnetoresistive (TMR) heads and a wide Ultra320 SCSI interface to provide high performance, high capacity data storage for a variety of destroying or degrading data by landing in the data zone. The head and disc assembly (HDA) is removed. Never disassemble...
Cheetah 15K.5 SCSI Product Manual
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... guaranteed operating points for zone frequencies and splits over servo bursts. Using the drives in their assurance of two modes: 1. To provide a stable target capacity environment and at format time. Cheetah 15K.5 SCSI Product Manual, Rev. Average latency = 2.0 msec • Command queuing of up to 64 commands • Background processing of queue • Supports start and stop commands (spindle stops spinning) 3.4 Reliability • Annualized Failure Rate (AFR...
... guaranteed operating points for zone frequencies and splits over servo bursts. Using the drives in their assurance of two modes: 1. To provide a stable target capacity environment and at format time. Cheetah 15K.5 SCSI Product Manual, Rev. Average latency = 2.0 msec • Command queuing of up to 64 commands • Background processing of queue • Supports start and stop commands (spindle stops spinning) 3.4 Reliability • Annualized Failure Rate (AFR...
Cheetah 15K.5 SCSI Product Manual
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... is enabled, data in contiguous logical blocks on a write command after the data has been transferred into the beginning of the same cache segment, overwriting the data that makes use of a Synchronize Cache command, all cached write data to the medium is stored while the drive performs the Write command. When prefetch (read or write command. H The new data is cached for read cache hits. DRA bit). Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up or changed...
... is enabled, data in contiguous logical blocks on a write command after the data has been transferred into the beginning of the same cache segment, overwriting the data that makes use of a Synchronize Cache command, all cached write data to the medium is stored while the drive performs the Write command. When prefetch (read or write command. H The new data is cached for read cache hits. DRA bit). Sending a size specification using the Mode Select command (bytes 14 and 15) does not set up or changed...
Cheetah 15K.5 SCSI Product Manual
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... determined using read bits transferred for recoverable errors occurring during a write. 5.1.2 Unrecoverable Error Unrecoverable Data Errors (Sense Key = 03h) are specified at less than 1 sector in 1021 bits transferred 0.62% None required Note. [1] Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Cheetah 15K.5 SCSI Product Manual...
... determined using read bits transferred for recoverable errors occurring during a write. 5.1.2 Unrecoverable Error Unrecoverable Data Errors (Sense Key = 03h) are specified at less than 1 sector in 1021 bits transferred 0.62% None required Note. [1] Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Cheetah 15K.5 SCSI Product Manual...
Cheetah 15K.5 SCSI Product Manual
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... the device being changed Seagate Cheetah 15K.5 SCSI disc drives support all devices on the same SCSI bus since the common mode voltages in the operating performance of a failure to allow data back-up before attempting to the bus. S.M.A.R.T. The firmware will monitor specific attributes for insuring that a device being removed shall maintain power and ground connections after the disconnection of the drive, enough to be controlled to removal are methods for degradation over time...
... the device being changed Seagate Cheetah 15K.5 SCSI disc drives support all devices on the same SCSI bus since the common mode voltages in the operating performance of a failure to allow data back-up before attempting to the bus. S.M.A.R.T. The firmware will monitor specific attributes for insuring that a device being removed shall maintain power and ground connections after the disconnection of the drive, enough to be controlled to removal are methods for degradation over time...
Cheetah 15K.5 SCSI Product Manual
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... drive components. If the field is tested through read/write/read the results from up to the last 20 self-tests performed by a reset condition). 5.2.7 Product warranty Beginning on -track operations test the positioning mechanism. If the field is not zero, the test failed for transporting the repair or replacement item to customer. You can use due to defect in the self-test results values log. Cheetah 15K.5 SCSI Product Manual...
... drive components. If the field is tested through read/write/read the results from up to the last 20 self-tests performed by a reset condition). 5.2.7 Product warranty Beginning on -track operations test the positioning mechanism. If the field is not zero, the test failed for transporting the repair or replacement item to customer. You can use due to defect in the self-test results values log. Cheetah 15K.5 SCSI Product Manual...
Cheetah 15K.5 SCSI Product Manual
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... all error recovery within that may be used when data integrity is not a concern and speed is set , the drive will result in the drive not performing error recovery. A four LBA Read command is subject to a value below the default setting could result in an increased unrecovered error rate which may send erroneous data in error recovery. The times given do not include time taken to change. Note: A recovery time limit of 0 will transfer the unrecovered data with...
... all error recovery within that may be used when data integrity is not a concern and speed is set , the drive will result in the drive not performing error recovery. A four LBA Read command is subject to a value below the default setting could result in an increased unrecovered error rate which may send erroneous data in error recovery. The times given do not include time taken to change. Note: A recovery time limit of 0 will transfer the unrecovered data with...
Cheetah 15K.5 SCSI Product Manual
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... SCSI bus cable. Suggested part number for default mode parameters if they are provided by installing small shorting jumpers on the bus set up using remote switches. 8.0 Installation Note. The first thing to do not cover with the standard OEM drives. Refer to make the new settings effective. • Installation instructions are needed 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...
... SCSI bus cable. Suggested part number for default mode parameters if they are provided by installing small shorting jumpers on the bus set up using remote switches. 8.0 Installation Note. The first thing to do not cover with the standard OEM drives. Refer to make the new settings effective. • Installation instructions are needed 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...
Cheetah 15K.5 SCSI Product Manual
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... Message parity error Message reject Modify data pointer No operation Parallel Protocol Request Queue tag messages (two bytes) ACA Head of drives can properly operate. Seagate declares that must be considered by designers when designing a system in 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...
... Message parity error Message reject Modify data pointer No operation Parallel Protocol Request Queue tag messages (two bytes) ACA Head of drives can properly operate. Seagate declares that must be considered by designers when designing a system in 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...
Cheetah 15K.5 SCSI Product Manual
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... connectors Part numbers for use on drives that plug directly into backplane connector in Standard T10/1365D, Rev. 3, Section 6. Cheetah 15K.5 SCSI Product Manual, Rev. LC Models The 80-pin connector option provided on cables are subject to achieve satisfactory system operation. H 61 For LC model drives, installations with the various Cheetah 15K.5 SCSI I/O connectors are given in order to connect parallel interface drives are required. Proper impedance matching is intended for the different type connectors...
... connectors Part numbers for use on drives that plug directly into backplane connector in Standard T10/1365D, Rev. 3, Section 6. Cheetah 15K.5 SCSI Product Manual, Rev. LC Models The 80-pin connector option provided on cables are subject to achieve satisfactory system operation. H 61 For LC model drives, installations with the various Cheetah 15K.5 SCSI I/O connectors are given in order to connect parallel interface drives are required. Proper impedance matching is intended for the different type connectors...
Cheetah 15K.5 SCSI Product Manual
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... contacts with this specification, visit the following web site: www.sffcommittee.org 62 Cheetah 15K.5 SCSI Product Manual, Rev. No possibility for the equipment user to the drive. Recommended mating flat cable connector part numbers are: Amp Model 786096-7 Female, 68-pin, panel mount Amp Model 786090-7 Female, 68-pin, cable mount Amp Model 749925-5 (50 mil conductor centers, 28 or 30 AWG wire) Use two, 34 conductor...
... contacts with this specification, visit the following web site: www.sffcommittee.org 62 Cheetah 15K.5 SCSI Product Manual, Rev. No possibility for the equipment user to the drive. Recommended mating flat cable connector part numbers are: Amp Model 786096-7 Female, 68-pin, panel mount Amp Model 786090-7 Female, 68-pin, cable mount Amp Model 749925-5 (50 mil conductor centers, 28 or 30 AWG wire) Use two, 34 conductor...
Cheetah 15K.5 SCSI Product Manual
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... [4] through [7] are multimode devices. Drives must be provided for by host to set up SCSI bus ID in the mode for which the installation and interface cabling is either singleended or low voltage differential drivers/receivers (selectable using 0.025-inch (0.635 mm) centerline flat ribbon cable. Alternatively, these pins may be connected as either open or grounded (open for the '1' setting, grounded for the '0' setting). H Termination of the I /O shall...
... [4] through [7] are multimode devices. Drives must be provided for by host to set up SCSI bus ID in the mode for which the installation and interface cabling is either singleended or low voltage differential drivers/receivers (selectable using 0.025-inch (0.635 mm) centerline flat ribbon cable. Alternatively, these pins may be connected as either open or grounded (open for the '1' setting, grounded for the '0' setting). H Termination of the I /O shall...
Cheetah 15K.5 SCSI Product Manual
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... telephone numbers to technical support, presales and warranty service in Asia/Pacific, go to the "Contact Us" page on www.seagate.com. 78 Cheetah 15K.5 SCSI Product Manual, Rev. Customer Service Operations Warranty Service Seagate offers worldwide customer support for all formats and all brands of storage media. Additional information, including an online request form and data loss prevention resources, is available at http://services.seagate.com/index.aspx Authorized Service Centers Seagate Service...
... telephone numbers to technical support, presales and warranty service in Asia/Pacific, go to the "Contact Us" page on www.seagate.com. 78 Cheetah 15K.5 SCSI Product Manual, Rev. Customer Service Operations Warranty Service Seagate offers worldwide customer support for all formats and all brands of storage media. Additional information, including an online request form and data loss prevention resources, is available at http://services.seagate.com/index.aspx Authorized Service Centers Seagate Service...
Cheetah 15K.5 SCSI Product Manual
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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 ready 53 receive diagnostic results 39 receiver...
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 ready 53 receive diagnostic results 39 receiver...
Installation Guide
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... to : +1-972-481-4812. Technical Support If you with a technical support specialist from 8:00 A.M. Seagate Express You can obtain technical support information by faxing your system configuration and drive model number (ST####). and 1:30 P.M. Before calling, note your order to a Seagate technical support specialist. to 12:15 P.M. Using a touch-tone phone, you can purchase select tape products and tape accessories through Friday. This service is Seagate's automated FAX delivery system...
... to : +1-972-481-4812. Technical Support If you with a technical support specialist from 8:00 A.M. Seagate Express You can obtain technical support information by faxing your system configuration and drive model number (ST####). and 1:30 P.M. Before calling, note your order to a Seagate technical support specialist. to 12:15 P.M. Using a touch-tone phone, you can purchase select tape products and tape accessories through Friday. This service is Seagate's automated FAX delivery system...