2002-07-02 00:27:22

by David T Roth

[permalink] [raw]
Subject: DELL array controller access.

I have a DELL PowerEdge XE 51. It has a DELL array controller running
on EISA buss. The controller is uses a AHA-154x emulation. I am using
RedHat 7.0 and it does not see the board. Where can I get a EISA buss
AHA-154x driver to access the array controller?

David T. Roth
(615) 269-9323
Nashville, Tenn. 37212 | Internet: [email protected]


2002-07-08 18:14:37

by Matt Domsch

[permalink] [raw]
Subject: RE: DELL array controller access.

> I have a DELL PowerEdge XE 51. It has a DELL array
> controller running
> on EISA buss. The controller is uses a AHA-154x emulation.
> I am using
> RedHat 7.0 and it does not see the board. Where can I get a
> EISA buss AHA-154x driver to access the array controller?

David, Dell never produced a Linux device driver for the Dell SCSI Array
card. I had forgotten about the AHA-154x emulation feature, but since it
doesn't seem to work, it's unlikely that it ever will. Everyone who worked
on that project 9 years ago has left for other opportunities. The on-board
NCR SCSI controller should still work, and you can use software RAID quite
easily to accomplish similar functionality.

Thanks,
Matt

--
Matt Domsch
Sr. Software Engineer, Lead Engineer, Architect
Dell Linux Solutions http://www.dell.com/linux
Linux on Dell mailing lists @ http://lists.us.dell.com
#1 US Linux Server provider for 2001 and Q1/2002! (IDC May 2002)

2002-07-08 18:17:55

by Alan

[permalink] [raw]
Subject: Re: DELL array controller access.

> > RedHat 7.0 and it does not see the board. Where can I get a
> > EISA buss AHA-154x driver to access the array controller?
>
> David, Dell never produced a Linux device driver for the Dell SCSI Array
> card. I had forgotten about the AHA-154x emulation feature, but since it
> doesn't seem to work, it's unlikely that it ever will. Everyone who worked
> on that project 9 years ago has left for other opportunities. The on-board
> NCR SCSI controller should still work, and you can use software RAID quite
> easily to accomplish similar functionality.

The EISA bus AHA154x equivalent is the AHA174x which we do support. I don't
know what the Dell arrays used however

2002-07-08 22:11:03

by Austin Gonyou

[permalink] [raw]
Subject: Re: DELL array controller access.

I know at a minimum...those cards can be put into a 154x mode, so it
will work. I remember that NetWare needed this feature.


On Mon, 2002-07-08 at 13:43, Alan Cox wrote:
> > > RedHat 7.0 and it does not see the board. Where can I get a
> > > EISA buss AHA-154x driver to access the array controller?
> >
> > David, Dell never produced a Linux device driver for the Dell SCSI Array
> > card. I had forgotten about the AHA-154x emulation feature, but since it
> > doesn't seem to work, it's unlikely that it ever will. Everyone who worked
> > on that project 9 years ago has left for other opportunities. The on-board
> > NCR SCSI controller should still work, and you can use software RAID quite
> > easily to accomplish similar functionality.
>
> The EISA bus AHA154x equivalent is the AHA174x which we do support. I don't
> know what the Dell arrays used however
> -
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2002-07-09 10:18:22

by Alan

[permalink] [raw]
Subject: Re: DELL array controller access.

> I know at a minimum...those cards can be put into a 154x mode, so it
> will work. I remember that NetWare needed this feature.

If they are AHA147x based then the 154x mode has emulation errors and Linux
specifically avoids using 154x drivers on them.

2002-07-09 15:53:55

by Austin Gonyou

[permalink] [raw]
Subject: Re: DELL array controller access.

I believe this is the case on these particular controllers. They are in
fact 147x controllers, with a 154x emulation mode. I used to support
lots of legacy equipment at Dell, and I believe that's the case, but if
Matt wants to chime in to confirm that or not, would be helpful. There's
lots of info on this as I believe there are still plenty of customers
actually still using 4100's and the like.

On Tue, 2002-07-09 at 05:10, Alan Cox wrote:
> > I know at a minimum...those cards can be put into a 154x mode, so it
> > will work. I remember that NetWare needed this feature.
>
> If they are AHA147x based then the 154x mode has emulation errors and Linux
> specifically avoids using 154x drivers on them.
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
--
Austin Gonyou <[email protected]>