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Date:      Thu, 16 Oct 2008 13:49:49 +0200
From:      "Svein Skogen (List Mail Account)" <svein-listmail@d80.iso100.no>
To:        freebsd-questions@freebsd.org
Subject:   FreeBSD RELENG_7 scsi and usb, usb disks take precedence
Message-ID:  <48F72A5D.7000708@d80.iso100.no>

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I'm writing this, in hope that someone has a quick-and-dirty trick to
solve a minor problem I have.

My home server, running RELENG_7 is booting off a 10Krpm scsi drive,
connected to an adaptec controller. This device is /dev/da0. However,
should I accidentally reboot the server with ANY usb block device,
FreeBSD assumes that the USB controller is the first scsi chain in the
computer, and assigns the lower da numbers to the usb block devices,
placing the actual scsi disk as the last da device.

Is there any way to tell FreeBSD permanently "I want my adaptec
controller's scsi chain to be the first, no matter what USB devices you
find"?

If this is documented somewhere, feel free to point me to the correct
man page.

Regards,

Svein Skogen
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