Manual do usuário Seagate CHEETAH 15K.6 FC ST3450856FC

Manual para o dispositivo Seagate CHEETAH 15K.6 FC ST3450856FC

Dispositivo: Seagate CHEETAH 15K.6 FC ST3450856FC
Categoria: Unidade de disco
Fabricante: Seagate
Tamanho: 1.83 MB
Data de adição: 3/27/2013
Número de páginas: 94
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Resumos do conteúdo
Resumo do conteúdo contido na página número 1

Product Manual
Cheetah 15K.6 FC
ST3450856FC ST3450056FC (FDE)
ST3300656FC ST3300056FC (FDE)
ST3146356FC ST3146756FC (FDE)


100465943
Rev. D
August 2008

Resumo do conteúdo contido na página número 2

©2007, 2008, Seagate Technology LLC All rights reserved. Publication number: 100465943, Rev. D August 2008 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Cheetah, SeaTools and SeaTDD are either trademarks or reg- istered trademarks of Seagate Technology LLC or one of its affiliated companies in the United States and/ or other countries. All other trademarks or registered trademarks are the propert

Resumo do conteúdo contido na página número 3

Contents 1.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2.0 Applicable standards and reference documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1 Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2.1.1 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . .

Resumo do conteúdo contido na página número 4

6.0 Physical/electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6.1 AC power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6.2 DC power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 6.2.1 Conducted noise immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Resumo do conteúdo contido na página número 5

9.5.4 Pin descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 9.5.5 FC-AL transmitters and receivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 9.5.6 Power. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 9.5.7 Fault LED Out . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 9.5.8 Active

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iv Cheetah 15K.6 FC Product Manual, Rev. D

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1.0 Scope ® ® This manual describes Seagate Technology LLC, Cheetah 15K.6 FC (Fibre Channel) disc drives. Cheetah 15K.6 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifi- cations to the extent described in this manual. The Fibre Channel Interface Manual (part number 100293070) describes the general Fibre Channel Arbitrated Loop characteristics of this and other Seagate Fibre Channel drives. The Full Disc Encryption (FDE) Reference Manual, part number 1

Resumo do conteúdo contido na página número 8

2 Cheetah 15K.6 FC Product Manual, Rev. D

Resumo do conteúdo contido na página número 9

2.0 Applicable standards and reference documentation The drive has been developed as a system peripheral to the highest standards of design and construction. The drive depends upon its host equipment to provide adequate power and environment in order to achieve opti- mum performance and compliance with applicable industry and governmental regulations. Special attention must be given in the areas of safety, power distribution, shielding, audible noise control, and temperature regu- lation. In p

Resumo do conteúdo contido na página número 10

2.1.2 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for CE Marking and C-Tick Marking. The drive was tested in a representative system for typical applications. The selected sys- tem represents the most popular characteristics for test platforms. The system configurations include: � Typical current use microprocessor � Keyboard � Monitor/display � Printer � Mouse Although the test system with this Seagate model complies wit

Resumo do conteúdo contido na página número 11

tory analytical validation testing, and an internal auditing process to ensure that all standard operating procedures are complied with. 2.3 Reference documents ANSI Fibre Channel Documents X3.230-1994 FC Physical and Signaling Interface (FC-PH) X3.297.1997 FC-PH-2 Fibre Channel Physical and Signaling Interface-2 X3.303.1998 FC-PH-3 Fibre Channel Physical and Signaling Interface-3 X3.272-1996 FC Arbitrated Loop (FC-AL) X3.269-1996 Fibre Channel Protocol for SCSI (FCP) NCITS TR-19 Private

Resumo do conteúdo contido na página número 12

6 Cheetah 15K.6 FC Product Manual, Rev. D

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3.0 General description Cheetah 15K.6 FC drives provide high performance, high capacity data storage for a variety of systems includ- ing engineering workstations, network servers, mainframes, and supercomputers. Cheetah 15K.6 FC drives support 4-Gbit Fibre Channel. Cheetah 15K.6 FC drives support the Fibre Channel Arbitrated Loop (FC-AL) and SCSI Fibre Channel Proto- col as described in the ANSI specifications, this document, and the Fibre Channel Interface Manual which describes the general

Resumo do conteúdo contido na página número 14

3.1 Standard features Cheetah 15K.6 FC drives have the following standard features: � 4-Gbit Fibre Channel interface � Integrated dual port FC-AL controller � Concurrent dual port transfers � Support for FC arbitrated loop, private and public attachment � Differential copper FC drivers and receivers � Downloadable firmware using the FC-AL interface � Supports SCSI enclosure services via interface connector � 128-deep task set (queue) � Supports up to 32 initiators � Drive selection ID and config

Resumo do conteúdo contido na página número 15

3.2 Media description The media used on the drive has an aluminum substrate coated with a thin film magnetic material, overcoated with a proprietary protective layer for improved durability and environmental protection. 3.3 Performance � Programmable multi-segmentable cache buffer � 400 Mbytes/sec maximum instantaneous data transfers per port � 15k RPM spindle; average latency = 2.0 msec � Command queuing of up to 128 commands � Background processing of queue � Supports start and stop commands

Resumo do conteúdo contido na página número 16

3.6 Factory-installed options You may order the following items which are incorporated at the manufacturing facility during production or packaged before shipping. Some of the options available are (not an exhaustive list of possible options): � Other capacities can be ordered depending on sparing scheme and sector size requested. � Single-unit shipping pack. The drive is normally shipped in bulk packaging to provide maximum protection against transit damage. Units shipped individually require

Resumo do conteúdo contido na página número 17

4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 15K.6 FC drives. 4.1 Internal drive characteristics ST3450856FC ST3300656FC ST3146356FC ST3450056FC ST3300056FC ST3146756FC Drive capacity* 450 300 146 Gbytes (formatted, rounded off value) Read/write data heads 8 6 3 Tracks per inch 150,000 150,000 150,000 TPI Peak bits per inch 1,100k 1,100k 1,100k BPI 2 Areal density 165 165 165 Gbits/inch Inte

Resumo do conteúdo contido na página número 18

4.2.2 Format command execution time (minutes) When changing sector sizes, the format times shown below may need to be increased by 30 minutes. ST3450856FC ST3300656FC ST3146356FC ST3450056FC ST3300056FC ST3146756FC 176 144 100 Maximum (with verify) 88 72 50 Maximum (without verify) Note. There is no significant difference in the format time between FDE and non-FDE models of the same capacity. 4.2.3 General performance characteristics Sustainable disc transfer rate*: Minimum 112 Mbytes/sec

Resumo do conteúdo contido na página número 19

4.4 Prefetch/multi-segmented cache control The drive provides a prefetch (read look-ahead) and multi-segmented cache control algorithms that in many cases can enhance system performance. Cache refers to the drive buffer storage space when it is used in cache operations. To select this feature, the host sends the Mode Select command with the proper values in the applicable bytes in page 08h. Prefetch and cache operations are independent features from the standpoint that each is enabled and di

Resumo do conteúdo contido na página número 20

are to be written are already stored in the cache from a previous read or write command. If there are, the respective cache segments are cleared. The new data is cached for subsequent Read commands. If the number of write data logical blocks exceed the size of the segment being written into, when the end of the segment is reached, the data is written into the beginning of the same cache segment, overwriting the data that was written there at the beginning of the operation; however, the drive


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