> Forgive my novice question, but is this implying that with a SCSI
> arrangement, failure of one drive will not lock/affect the SCSI bus?
Failure of a **DRIVE** should not effect the SCSI bus at all.
Failure of the *controller* (real failures are very rare, normally it is power
loss) can cause problems on the SCSI bus, but the most common symptom (if any)
is a glitch on the bus as it actually fails.
The problem with IDE is the "I" ...
> Can this be guaranteed
It should be for any disk failure.
> or is it just an instance of it occurring most of the time?
"glitches" are fairly common on controller failure, but long term problems
should be very rare.