rescan causes offlined tape to reload

[Matthew Jacob]

> However it does seem to continually (every two seconds) send a TUR
> to the tape drive. That doesn't cause an operational problem, but
> might not be what you intended.
This is fixable.

> Popping up a level, about optical (cd/dvd) drives: should those
> behave differently? It's not an operational issue for me, but
> should optical drives load on a rescan either?
>
>

Policy is not clear here.