Subject: Re: iop0: unable to retrieve HRT
To: Chris Tribo <>
From: Patrick Welche <>
List: current-users
Date: 01/10/2006 17:31:13
On Mon, Jan 09, 2006 at 04:55:00PM -0500, Chris Tribo wrote:
> On Jan 6, 2006, at 12:41 PM, Patrick Welche wrote:
> >On Fri, Jan 06, 2006 at 11:15:44AM -0500, Chris Tribo wrote:
> >>
> >>Is it really an IOP device or is it a PERC/MegaRaid controller that
> >>we don't know about yet? In the later case you can set the PERC/
> >>MegaRaid BIOS to present the disks as I2O instead of MegaRaid, Though
> >>I didn't have any luck with this on a PERC 3/DC in a 2550, it would
> >>show the raw disks on SCSI channel B and not the ld units.
> >>
> >>Can you post a dmesg?
> Since I no longer have hardware to test with, I'd say at least one of  
> the following is possible:
> - The controller is set to Mass Storage mode instead of I2O, and  
> isn't configuring the I2O port
> - The amr driver/pci ids don't have a match for the PERC/CERC card in  
> your system, so I2O is attaching as a fallthrough but fails to work  
> because the controller hasn't actually set up I2O to avoid a double  
> attachment
> - The I2O interface on Dell RAID controllers is non-standard
> - The I2O driver is broken
> - The RAID controller is disabled or the activation key/card is bad/ 
> not seated
> Can you get the pci and vendor IDs from the card and see if we don't  
> have a match in the pci device table and amr driver? Failing that,  
> plugging the service tag into the Dell support web site should tell  
> you what card is in the system from the original configuration link.

Thanks for all the suggestions! It seems it is a PERC 2/DC => should be
picked up by amr. - More anon..