Optimizing Storage with SAS: Beyond the 10K Compromise (72K, PDF)
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...) to hard drive capacity. Publication Number: TP-543, September 2005 Moreover, the peerless performance of 15K SAS drives enables systems that deliver greater throughput with 15K SAS drives and nearline-ready SATA drives is not diminished. Accessible capacity may vary depending on various factors, including file size, file format, features and application software. Seagate reserves the...
...) to hard drive capacity. Publication Number: TP-543, September 2005 Moreover, the peerless performance of 15K SAS drives enables systems that deliver greater throughput with 15K SAS drives and nearline-ready SATA drives is not diminished. Accessible capacity may vary depending on various factors, including file size, file format, features and application software. Seagate reserves the...
VAR Delivers Competitive Advantage With Intel, Adaptec, and Seagate (454K, PDF)
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...: 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 fast as.../xeon Intel® Servers and Workstations: 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 computer system with a processor, chipset, ...
...: 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 fast as.../xeon Intel® Servers and Workstations: 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 computer system with a processor, chipset, ...
SAS and SATA: Multiple Benefits of Unified Storage (334K, PDF)
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... change. Beyond the obvious efficiency of specifying the optimal hard drive for online applications. SAS Compatibility Feature SAS backplanes, HBAs and expanders compatible with parallel SCSI hard drives. For many firms, the optimal blend of SAS and SATA drives as application needs dictate. SFF 2.5-inch 15K-RPM drives are leading the green revolution towards high-I/O-density storage...
... change. Beyond the obvious efficiency of specifying the optimal hard drive for online applications. SAS Compatibility Feature SAS backplanes, HBAs and expanders compatible with parallel SCSI hard drives. For many firms, the optimal blend of SAS and SATA drives as application needs dictate. SFF 2.5-inch 15K-RPM drives are leading the green revolution towards high-I/O-density storage...
Cheetah 10K.7 SCSI Product Manual
Page 69
...request and receive from the drive a list of new firmware into the saved values storage location on the drive PCBA. Bit 4 is "ready." When a drive is stored in a Mode Select command to shipping. Saved values for SCSI Ultra160 implementation (see the SCSI Interface Product Manual). D ...may not exactly match those particular bytes are stored on reset, hard reset, or Bus Device Reset message. Note. The following tables may be used by the drive in the row entitled "CHG". Cheetah 10K.7 SCSI Product Manual, Rev. These are changeable. A Mode Select ...
...request and receive from the drive a list of new firmware into the saved values storage location on the drive PCBA. Bit 4 is "ready." When a drive is stored in a Mode Select command to shipping. Saved values for SCSI Ultra160 implementation (see the SCSI Interface Product Manual). D ...may not exactly match those particular bytes are stored on reset, hard reset, or Bus Device Reset message. Note. The following tables may be used by the drive in the row entitled "CHG". Cheetah 10K.7 SCSI Product Manual, Rev. These are changeable. A Mode Select ...
Cheetah 10K.7 SCSI Product Manual
Page 90
...hard drive activity indicator. [5] Asserted by host to the conductor position when using the I /O bus at the disc drive connector: Steady state Low level output differential voltage = 0.320 V = < |Vs| = < 0.800 V (signal negation/logic 0) Steady state High level output differential voltage = 0.320 V = < |Vs| = < 0.800 V (signal assertion/logic 1) 80 Cheetah 10K.7 SCSI... Product Manual, Rev. indicates drive activity for singleended and low voltage differential devices (see ANSI SPI-4 specification T10/1365D)....
...hard drive activity indicator. [5] Asserted by host to the conductor position when using the I /O bus at the disc drive connector: Steady state Low level output differential voltage = 0.320 V = < |Vs| = < 0.800 V (signal negation/logic 0) Steady state High level output differential voltage = 0.320 V = < |Vs| = < 0.800 V (signal assertion/logic 1) 80 Cheetah 10K.7 SCSI... Product Manual, Rev. indicates drive activity for singleended and low voltage differential devices (see ANSI SPI-4 specification T10/1365D)....
Cheetah 10K.7 SCSI Product Manual
Page 104
...drive failure 18 drive firmware 59 drive ID 45 drive ID select jumper connector 45 drive ID/option select header 45 drive interface connector 69 drive internal 27 drive internal defects and errors 41 drive malfunction 18 drive mounting 38, 51 constraints 17 drive orientation 50 drive power 45 drive primary defects list 41 drive SCSI timing 84 drive select header 64 drive spindle 49 drive...13 formatting 45 front panel 38 front panel LED 80 G GMR heads 7 gradient 34 ground return 27 grounding 51 H hard reset 59 HDA 7, 51 heat removal 50 host 15, 41, 49, 57, 67, 71 host adapter 45 adapter/initiator...
...drive failure 18 drive firmware 59 drive ID 45 drive ID select jumper connector 45 drive ID/option select header 45 drive interface connector 69 drive internal 27 drive internal defects and errors 41 drive malfunction 18 drive mounting 38, 51 constraints 17 drive orientation 50 drive power 45 drive primary defects list 41 drive SCSI timing 84 drive select header 64 drive spindle 49 drive...13 formatting 45 front panel 38 front panel LED 80 G GMR heads 7 gradient 34 ground return 27 grounding 51 H hard reset 59 HDA 7, 51 heat removal 50 host 15, 41, 49, 57, 67, 71 host adapter 45 adapter/initiator...