On Fri, 20 Jul 2007 12:35:53 +0200 (CEST) Markus Hennecke <[EMAIL PROTECTED]> wrote:
> > # bioctl ciss0 > > bioctl: Can't locate ciss0 device via /dev/bio > > The cause is that the ciss_inquiry struct returned by the firmware > has the member buswidth set to 0 (zero). So the physical drives do > not get probed by the driver. If you set this to some other value > (the original value in the last firmware versions was 16) the > "Identify Drive" commands will fail. If you change the addressing > mode from the "Big Bit" method to the old scheme the drives can be > queried. I hacked up a small patch that made it "work" for the > servers used in our project (DL 380 G5). I attach it here, but beware > that it has some problems: > > 1. Drives that are identified by the scsi id 0:0.0 do not display the > right status. We do not have a drive there, so I did not look into > that for longer (no time for "beauty work"). > > 2. I had to check the drive present bit and would add only those > drives that were present on driver initialisation. Else the bioctl > would show all drives as "Invalid" (with exception to the one that > would get the id 0:0.0). > > Overall it is only a quick and dirty hack to make it work. I try to > look into that because I will have the servers here available a > little bit longer, but I can't promise that. The other parts of the > overall project are eating up all my time... > > So this is the hack, I checked the functionality by removing one of > the drives and reinserting it. All seems to work ok with the > exceptions mentioned above. You can even mark a drive via bioctl. The > patch is against 4.1-stable, dmesg and bioctl output follows below. > There is a similar system with 5 HDs in a RAID 5 that works too. Use > this at your own risk: This is good news, thanks a lot. I will test it next week. However, if there is a developer interested in getting this quick fix more beautiful, I could enable remote login on one of our machines for testing and developing. Please contact me off list. Thanks, -- Stephan A. Rickauer ----------------------------------------------------------- Institute of Neuroinformatics Tel +41 44 635 30 50 University / ETH Zurich Sec +41 44 635 30 52 Winterthurerstrasse 190 Fax +41 44 635 30 53 CH-8057 Zurich Web www.ini.unizh.ch RSA public key: https://www.ini.uzh.ch/~stephan/pubkey.asc -----------------------------------------------------------
