Re: can I change probe order of mpt controllers?
- From: Scott Long <scottl@xxxxxxxxxx>
- Date: Fri, 25 May 2007 09:22:35 -0600
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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