Thanks for the response Stuart. -----Original Message----- From: Stuart Powell [mailto:stuart@yorkshirepudding.com] Sent: Monday, August 26, 2002 10:31 PM To: suse-linux-e@suse.com Subject: RE: [SLE] SCSI scanning issue with SuSE distributions? Hello, Heather. I am not going to offer up any help, but a me too, although my circumstances aren't exactly the same as yours. I have recently acquired an IBM PC Server 704 (8650-6MM) with a pair of ServeRAID controllers, an Adaptec 2940, and a pair of on-board 7880 controllers. The on-board controllers are empty, and the Adaptec card has a CD-ROM drive on it. The older ServeRAID card has 5x9GB drives on channel0, and 6x9GB drives each on channels1 and 2. The newer ServeRAID3 card has 6x9GB drives attached. SuSE8 Pro sees my logical drives that are set up on the RAID controllers during installation and everything seems to go alright. However, upon first booting after the installation, the AIC7xxx driver seems to scan for every possible device ID on every possible channel, and it takes about 1.5-2hrs for the system to finally give up and hang. How can the installation work flawlessly, and then the self same drivers screw up at boot time. And a quick message to everyone reading this, please don't try to answer my question instead of Heather's; we have enough thread hijacking as it is. I will be posting my problem later in the week when I can gather some of the errors into a coherent fashion that might help. I am simply offering this example up to show that Heather is not the only one having SCSI issues. I have RedHat 7.2 sitting here on the shelf. It never occurred to me to try it instead of SuSE. But I'd much rather my SuSE install worked. Bye for now, Stuart. -----Original Message----- From: conway, heather [mailto:conway_heather@emc.com] Sent: Monday, August 26, 2002 20:52 To: 'suse-linux-e@suse.com'; 'linux-scsi@vger.kernel.org' Subject: [SLE] SCSI scanning issue with SuSE distributions?

Hi Folks, I'm hoping you can help. I'm working with SuSE attached to a CLARiiON array and the SuSE SCSI stack is incorrectly reporting CLARiiON devices. SuSE SLES 7, v7.3, and v8.0 all experience the same problem. The problem is as follows: When a SuSE host is attached to the CLARiiON, it is inaccurately reporting that there are 254 devices per HBA. For clarity's sake, I do not think that problem is that Linux doesn't support more than 128 devices....that isn't the problem here. For instance, if a system has two HBAs with only 8 CLARiiON devices allocated to each HBA for a total of 16 actual devices, the SuSE distributions will report 254 devices per HBA. The system should see only a total of 16 CLARiiON devices, but instead, it reports that it sees 508. This happens with the qla2x00.o and qla2200/qla2300.o drivers that are incorporated into the SuSE distributions as well as the 'EMC-approved' v4.47.16 qLogic driver and v4.20L Emulex driver. RedHat doesn't have this problem when attached to CLARiiON arrays, but their SCSI scanning is definitely different. I have put together a couple of patches, but so far haven't come up with the right combination to correct the problem. Has anyone seen this previously? If so, do you have a patch to resolve the problem ? Thanks in advance for the assistance. Heather

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