Compaq ProLiant Storage System U1 Guide de l'utilisateur télécharger pdf (Page 20)

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1-9 Introduction to the ProLiant Storage System /U

Compaq ProLiant Storage System /U User Guide

SCSI Controllers

ProLiant Storage System /U may be connected to any Fast-Wide SCSI-2 or

Wide-Ultra SCSI controller with appropriate external wide SCSI cables.

Supported Compaq SCSI controllers include:

■ 32-Bit Fast-Wide SCSI-2 Controller

■ Wide-Ultra SCSI-3 Controller

■ SMART-2 Array Controller Family

SCSI ID Assignments

Each device on a SCSI bus must have a unique identification number in the

range of 0 to 6. The SCSI ID determines the device priority when attempting to

use the SCSI bus. The highest priority, SCSI ID 7, is reserved for the

controller.

SCSI IDs are automatically assigned in the storage system according to the

drive bay used for each drive. The SCSI ID for each bay is indicated on the

front panel for both single and dual bus systems.

CAUTION:

Server lockups could occur if a hard drive is installed in a drive

bay set with a SCSI ID that is already used by another device in the server if

both devices are on the same SCSI bus.

IMPORTANT:

All SCSI hard drives on the same SCSI bus must be either internal

(within the server) or in an external storage system, but not both. A configuration

with both internal and external SCSI hard drives requires more than one SCSI bus.

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Compaq ProLiant Storage System U1 Guide de l'utilisateur Page 20