Date: Fri, 25 May 2007 09:22:35 -0600 From: Scott Long <scottl@samsco.org> To: Vivek Khera <vivek@khera.org> Cc: stable@freebsd.org Subject: Re: can I change probe order of mpt controllers? Message-ID: <4656FF3B.50507@samsco.org> In-Reply-To: <E873863D-3B35-43C5-9D25-027F668FE8B9@khera.org> References: <E873863D-3B35-43C5-9D25-027F668FE8B9@khera.org>
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Vivek Khera wrote: > I have a shiny new Sun X4100 here and it works pretty well (except that > there is a bug in the ILOM bios that refuses to let the serial port > console run at 115200!!!) > > I attached an external RAID array using an LSI fibre channel card, and > now the boot disk is not found after the kernel boots. Ie, it can't > find the root volume. This is because the fibre channel card is probed > as mpt0 and the on-board disks are connected to mpt2. (Where's mpt1? > no idea.) Once the RAID volume was initialized, the ordering of the > disk device names changed. > > Is there some way to force the boot drive controller to be probed first > and be mpt0? Or is there some way to force the boot drive to be a fixed > device name? > > I'm planning to play with the RAID configuraitons and change partitions > and add logical drives, etc., so this will be painful to reconfigure the > OS every time I reconfigure the RAID. Any advice will be appreciated. > Thanks! > > I'm running 6.2/amd64 from a fresh CD install. > Look in /sys/conf/NOTES for a long discussion on wiring SCSI device order. Scott
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