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Alle Oberthemen / Informatics / Linux

LPIC 101.1 (75 Karten)

Sag Danke
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Logically, how is a SCSI bus mapped? Explain.
One-dimensionally. Basically, every device in the bus falls upon a straight line.

Each end of the SCSI bus must be terminated - and the bus must not fork or branch in any way. The word terminated refers to a special resistor pack that prevents signals from bouncing back and forth along the SCSI chain. The manual should contain information on how to terminate such a fork or branch.

Tags: branch, bus types, fork, hard drives, resistor, SCSI, termination
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When terminating, what parts of the chain must be terminated? What parts should not?
Devices mid-chain must not be terminated. Both ends of the SCSI chain must be terminated however. A SCSI host adapter qualifies as a device, so if it is at the end of the chain, it can be terminated.

Modern SCSI devices usually include a jumper or other setting to enable or disable termination.
Tags: 101.1, bus types, hard drives, host adapter, linux, SCSI, SCSI chain, termination
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Kartensatzinfo:
Autor: Ryan Robson
Oberthema: Informatics
Thema: Linux
Ort: Houston
Veröffentlicht: 08.02.2011
Tags: LPIC-1, Exam, Training, LPIC, Linux, , BASH, Regular Expression, Certification
 
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