trouble with multiple scsi adaptors and kickstart

[Brian Long]

We have the same exact problem.  When a bugzilla was opened, it was
immediately closed with the explanation that it was the "desired
behavior".  We ended up building the boot images with all qla drivers
removed.

/Brian/

On Sat, 2004-10-16 at 21:19, Alan Horn wrote:
> Hardware :
> 
> HP DL380
> Qlogic qla2300 type HBAs (two of them)
> 'cciss' driver internal raid
> 
> I'm kickstarting an install to the internal raid 0 drives. The qla2300 
> HBAs are both pathed into a SAN that will present disks, but which 
> shouldn't be touched at all during install (data disks).
> 
> I find two symptoms :
> 
> 1) install probes the various scsi luns presented by the HBAs off the SAN,
>    and pops up dialogs complaining when it can't access them as it expects
>    This interrputs the unattanded kickstart
> 
> 2) The MBR does not get written out correctly to /dev/cciss/c0d0 at the 
>    end of the install.
> 
> My working theory so far is that the order of detection of the 
> scsi_hostadaptors (qla2300 then cciss) is messing things up.
> 
> I confirmed by looking at /etc/modules.conf on a system built when there 
> were no LUNS presented by the SAN :
> 
> alias scsi_hostadapter qla2300
> alias scsi_hostadapter1 cciss
> alias scsi_hostadapter2 cciss_2445
> 
> So my guess is that it's attempting to write the boot record to /dev/sda 
> (first lun off qla2300 device).. this would be pretty damn bad if there 
> were actual live data that we cared about there :)
> 
> So I need qla2300 to be below all of the others, and I need it at boot 
> time of the install kernel, in order for this to run smoothly, unattended, 
> and not mess with the san disks regardless of what LUNs are presented.
> 
> All help greatly appreciated.
> 
> Cheers,
> 
> Al
> 
> 
> 
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       Brian Long                      |         |           |
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