Re: rescan scsi

Rogier Wolff (R.E.Wolff@bitwizard.nl)
Sun, 22 Jun 1997 08:56:09 +0200 (MET DST)


Dave Cinege wrote:
>
> On Sat, 21 Jun 1997 21:29:17 -0400 (EDT), Richard B. Johnson wrote:
>
>
> But that something does not mean a spike, that can cause psychical damage.
> It means the entire bus doesn't know what is going on and takes a massive
> shit. Data that is in transit could be corrupted...that's it.

Really I don't give a damn about the data that can be
corrupted. Whenever I get a chance I rmmod the SCSI driver before
hotswapping stuff.

>
> >Because modern SCSI busses are designed for high-speed, the output
> >drivers are not current limited well enough to always survive. They
> >can usually take a short-circuit to common (ground), but can't sink the
> >current from a bit that's being driven high by another device.
>
> When did we go to pure ground? A digital low and ground are two very
> different things....

Not really.

Roger.