EMC Qlogic QLA23xx Guía de instalación descargar pdf (Pagina 27)

Booting from the external storage array

Installation and Configuration

◆ In some instances, internal boot can be disabled via entering the

onboard SCSI/RAID controller's BIOS utility. For example, an

Adaptec based controller can be configured by pressing CTRL-A,

when the Adaptec banner is displayed during Power-On Self Test

(POST).

◆ Some servers will require entering the system BIOS utility to

either disable boot from an internal drive, or to change the

controller boot order, so the boot HBA is enumerated before the

internal disk controller, allowing the array-attached LUN to be

the first disk visible to the server. Refer to your server

documentation for details.

◆ In some server instances, boot from an internal drive cannot be

explicitly disabled. In this case, the internal drive(s) must be

physically disconnected or removed from the server. Refer to

your server documentation for details.

Important In some cases, reinserting an internal drive (after having previously

removed it and configured a HBA for boot) may result in the internal

drive being re-enumerated as the first drive, and possibly modifying

the boot order, such that the server will attempt to boot from the

internal drive, rather than the intended array-based LUN. Ensure

that appropriate precautions are taken to make sure the server will

properly boot from an array-based LUN before reinserting an internal

system drive.

Legacy (x86 and most EM64T-based servers) boot BIOS configuration

During POST, the QLogic banner will be displayed.

1. Press Ctrl+Q to enter the Configuration utility:

Figure 6 QLogic banner

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EMC Qlogic QLA23xx Guía de instalación Pagina 27