On Fri, 25 Aug 2006 10:36:51 -0500 (CDT)
mlh@goathill.org (MLH) wrote:

> 
> I have a usb2/esata external drive I am using for backup via usb2
> on several machines.
> 
> The esata works also, but I can't figure out if there is a way to
> rescan the bus and attach the drive outside of a reboot.
> 
> Can drvctl(8) and atactl(8) be used to attach and detach the esata
> drive in this manner? How do you configure drvctl to do this?

I don't know, but to use drvctl you'll have to add in your kernel:

pseudo-device drvctl