Frequently Asked Questions, Non-RAID device is set to

crystal.bk : cryst-4.fb4 Page 136 Monday, March 23, 1998 4:09 AM

4 Technical Information

Using the ArrayConfig Program

Frequently Asked Questions

Q: Can I boot from an array?

A: Yes, you can boot without any problem from an array.

Q:If you have two UltraWide SCSI drives connected to the RAID controller, does one of them have to be the bootable drive?

A: No, the entire RAID array is bootable rather than the individual drives that make up the array. If there are two drives configured in a RAID 0 array, the array will automatically be bootable.

Q:Can a third UltraWide SCSI hard drive be added to be used as the boot device, as defined in the support boundaries?

A: Yes, you can add a third drive, but the third drive cannot be included in the same RAID array. For example, you could create a RAID 1 array with two drives plus a third drive configured as a spare. Or, you could configure two arrays: one with two drives and one with one drive.

Q:Can we connect a third SCSI drive to the Narrow SCSI controller.

A: You can connect a third drive to the Symbios controller, but both the Symbios BIOS and UltraWide BIOS cannot be loaded at the same time. That means that you cannot boot from both SCSI devices at the same time. If you only need to boot from the Symbios SCSI occasionally, then you can disable (from BIOS setup) the Internal Wide 16-bit SCSI Option ROM Scan and enable the Symbios SCSI Option ROM Scan to boot on the Symbios SCSI. When you’re finished, disable the Symbios SCSI Option ROM Scan and enable the Internal Wide 16-bit SCSI Option ROM Scan.

NOTE	You cannot change the priority of RAID and non-RAID devices through
	the ArrayConfig utility’s Custom Setup routine. RAID devices will
	always have the highest priority even if the SCSI address of the
	non-RAID device is set to 0.

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XU specifications

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Frequently Asked Questions

Q: Can I boot from an array?

A: Yes, you can boot without any problem from an array.

non-RAID device is set to 0.

XU specifications