Hot/Warm swap for laptop devices

[Brian Puccio]

On Wed, 2004-11-24 at 19:53 -0500, Noah Dain wrote:
> On Thu, 25 Nov 2004 07:39:45 +1000, Senectus . <senectus at gmail.com> wrote:
> > are you unmounting it first?
> > 
> take a look in /usr/share/doc/hdparm/contrib , paritcularly the idectl script.
> 
> On my R40, I've had success with using idectl to prep the hotswap bay
> and then yank out the cdrom and replace it with a battery.  I have
> then been able to put the cdrom back in ( no need to prep the bay for
> battery ejection ) and run idectl to re-activate the bay's ide-atapi
> interface to bring the cdrom back online.
> 
> one caveate is that I have been unable to boot the machine with an
> empty bay ( or with a battery ) and then get the cdrom working.
> 
> All this may also require tpctl and the thinkpad-modules compiled and
> modprobed in.  I can't remember with 100% certaintly, but I do have
> both installed here.

Sounds like a little more work than I was willing to do to be able to
pull out an optical drive.  But since I don't really have anything to
put in there, I'm not going to investigate this any more.  If I do get
another piece of hardware to put in here, I'll refer back to this
message.