[ale] Dual Adaptec SCSI adapters

[Ron Cordell]

As a follow-up to this post, the problem was that both SCSI adapters had their 
BIOS enabled. Turning off the BIOS for the 2nd adapter solved the problem.

Thanks to all that offered assistance!

-ronc

On Wednesday 07 May 2003 09:16, Mazukna, Thomas wrote:
> After rereading all again.....
>
> looks like you have a conflicting scsi ids/order with your scsi hosts and
> devices? what are your host ids for controller cards ?
> how ordered are your drives ?
> why do you want to have 2 scsi hosts ? put everything on one host.
> 3 HDDs on LVD , DVD+CD on other chanel.
>
> when I insert a bootable cd .... cd boot image gets treated as floppy A:
> and my floppy becomes B: no hdds gets moved. Check you scsi id for all
> devices again.
>
> Tomas
>
>
>
> -----Original Message-----
> From: roncordell at attbi.com [mailto:roncordell at attbi.com]
> Sent: Wednesday, May 07, 2003 7:45 AM
> To: ale at ale.org
> Subject: [ale] Dual Adaptec SCSI adapters
>
>
> Hi all,
>
> I am trying to get a system up and running with dual Adaptec SCSI host
> adapters, but not having any luck. Here's the deal:
>
> Adapter #1 (first in the PCI list) - Adaptec 2940UW, one hard disk on
> LVD/SE port, DVD and CD R/W on other port.
>
> Adapter #2 (second in the PCI list) - Adaptec 2940U2W, two hard disks on
> the LVD/SE port.
>
> Both adapters have the latest BIOS installed.
>
> When I boot the machine with no bootable CD in a drive, the first adapter
> assigns its hard disk as Disk 0, and the second adapter assigns its hard
> disks to 1 and 2. This looks OK.
>
> When I boot the machine with a bootable CD in a drive, the first adapter
> assigns its hard disk as Disk 1, and the second adapter assigns its hard
> disks as 1 and 2. This looks wrong.
>
> Even though the second scenario looks wrong, I can boot the SuSE 8.2 Linux
> installation DVD, and it begins to load its IsoLinux boot image. After the
> image loads, I get a flashing cursor on the screen, and that's it. Nada.
>
> If I disconnect the hard drive from Adapter #1, so all I have are the two
> drives on Adapter #2, and I try to boot the installation DVD, I get the
> same problem.
>
> So, does anyone have experience in setting up two Adaptec adapters and
> getting them to work together? Does Linux support this? The SuSE DVD will
> work if I remove one of the adapters, but I think the issue is how the
> devices are getting assigned, not having two adapters.
>
> Thanks for any insights,
>
> -ronc
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