[sclug] Enforcing SCSI detection order

[Tom Chance]

On Friday 04 Mar 2005 19:55, David Given wrote:
> I have a whole bunch of USB and Firewire devices, which of course, on Linux
> show up as SCSI devices.
>
> Unfortunately, which device nodes they get mapped to depends on the order
> in which the Linux kernel sees them, which depends on which ones are
> plugged in/switched on.
>
> Is there any way to enforce a particular device, such as my USB floppy
> drive, to get mapped to one particular node, say /dev/sda, so that I know
> that /dev/sda will *always* be the floppy drive or nonexistent if it's not
> plugged in? I haven't reformatted my media drive (/dev/sdb) by accident
> yet, and would rather make sure I don't.
>
> I can't seem to find any information on doing this kind of thing
> anywhere...

If you're using udev to populate the /dev filesystem, read this:
http://www.reactivated.net/udevrules.php

I'm not sure about other /dev technologies.

Regards,
Tom