[rescue] hot swap scsi

[Dave McGuire]

On March 4, Joshua D Boyd wrote:
> I was reading the scsi faq (trying to refresh my memory about what different
> things mean for speed), and noticed a section on hot swapping SCSI devices.
> 
> It basically says that you need only to things.  To power the device up before
> connecting to the bus and not powering down until the connection is broken is
> the first requirement.  The second requirement is to be able to stop traffic
> to the device in question before removing it.
> 
> For the first requirement, it is easy to control with external devices.  SCA
> connector are also designed specially to meet this requirement.
> 
> So, is it possible on linux, netbsd, or solaris to stop traffic to a device?
> 
> Also, will linux, netbsd, or solaris recognize a new device appearing on
> the scsi bus without a reboot?  I think to some extent Solaris won't because
> even with a reboot it wouldn't recognize my cd-rom until I did a boot -r.

  NetBSD does this just fine, as does Solaris.

    -Dave

-- 
Dave McGuire
St. Petersburg, FL         "Less talk.  More synthohol." --Lt. Worf