sdc suddently sdd?

[Bob Chiodini]

Tom Horsley wrote:
> I just realized that sometime fairly recently my usb2
> drive I use for backups has stopped showing up as
> /dev/sdc and instead shows up as /dev/sdd (with no
> device named /dev/sdc anywhere).
>
> Wah happened?
>
> How can I reliably mount my backup drive on /backup
> if the device name changes at random?
>
> Hopefully my fixed disks will at least stay sda
> and sdb?
>
>   
Tom,

Does the drive have some kind of power saving feature which might turn 
it off after some period?  I've noticed (FC5) that unmounting, 
unplugging and plugging back in (quickly) a USB stick "sometimes" 
changes the device.  I thought I was going nuts.

Bob...