Re: can I change probe order of mpt controllers?

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.




=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Vivek Khera, Ph.D. Khera Communications, Inc.
Internet: khera@xxxxxxxxxxx Rockville, MD +1-301-869-4449 x806


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I believe you can use the following in your kernel config:

options ROOTDEVNAME=\"ufs:da2s1"

Or whatever the appropriate device/slice for your mpt2 controller.


-Proto
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