Messages in this thread | | | Date | Wed, 30 Oct 1996 17:09:15 -0800 (PST) | From | Michael Neuffer <> | Subject | Re: Problem with 2.0.24 SCSI change |
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On Wed, 30 Oct 1996, Chris Adams wrote: > Leonard N. Zubkoff <lnz@dandelion.com> wrote: > > From: Chris Adams <cadams@sh1.ro.com> > > > 2) Is there not a better way to get the order of multiple host adapters? > > > >Not at the present time. There's no consistency to the order in which a > >motherboard's BIOS will install the BIOS extensions from the SCSI controllers. > >I think we will eventually need to allow for explicitly specifying the probe > >order. > > How hard would it be to add a kernel command line option? Something > like "scsi-order=aic7xxx,eata-dma"? I understand that if you reorder > some of the probes bad things will happen, but that could be checked > for. That way it doesn't matter which way the kernel default is, I > could put a line like the above in my lilo.conf and it would be > automatic.
Yes, that can be implemted.
> I went through great pains trying to figure out how my Tomcat II > motherboard decided which SCSI adapter to boot from. It tries to boot > the same adapter it booted last time. I has installed the DPT first (to > set up the RAID), and then installed the Adaptec. The only way I could > figure out to make the system boot from the Adaptec was to remove the > DPT, boot up once, and reinstall the DPT. Is there any way to tell > which SCSI adapter booted the system?
What you can do is to check with controller has his address at a lower address. That controller usually booted the machine. Maybe we can add a field where the driver can put in the address and then decide on that the order which contoller's devices get detected first.
Mike
Michael Neuffer i-Connect.Net, a Division of iConnect Corp. mike@i-Connect.Net 14355 SW Allen Blvd., Suite 140 503.677.2900 Beaverton, OR 97008
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