my problem is that i have just purchased two hot-swap cages. One puts 2 laptop drives in a 3.5" bay that will be used to back up daily work on a roster of 5 disks, the other is consists of 3 regular hard drives in the space of 2x5.25" bays and currently houses the system hd, the projects hd and a spare.

The hd configuration WILL change between re-boots and the fstab will be wrong most of the time as the boot drive comes after the SATA card. I can set the boot drive at start up from the BIOS but fstab stops the system from booting. If there's a way of abstracting out the hard device references in fstab I'm happy.

regards

On Sep 11, 2008, at 13:10, Peter Kay - Syllopsium wrote:

From: "Joseph A Borg" <[EMAIL PROTECTED]>
Subject: forcing system disk to wd0
I just added a 4 port promise sata card and cannot figure a way of forcing the sata ports on the motherboard to take precedence over the sata pci card.

Any pointers to useful info would be greatly appreciated. I guess i'll have to mess with the BIOS and IRQs but these are, till now out of my radar.
You can't force a computer to do something the BIOS doesn't want it to do. The booting process uses only the devices the BIOS, and addon cards' BIOS control, in varying orders.

In other words, you're going to have to put a bootstrap on a device that's in the booting sequence, even if it's not the final location of /. It could be another hard disk, a flash drive - even a suitably configured cdrom or floppy should work. A boot manager would probably be easier and more flexible than configuring OpenBSD to bootstrap off one device, and finish booting off another.

PK

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