On Sat, 20 Nov 1999, J Wunsch wrote:
> Matthew Jacob <[EMAIL PROTECTED]> wrote:
>
> > Too many people have objected. I didn't make my case clearly enough,
> > but because enough people of have raised issues, the default won't
> > be changed.
>
> Too bad. I think your idea was absoultely right, and i'm rather tired
> myself to have to `fix' it for every new tape drive we encounter. All
> the current tape drives do support a form of physical EOD marks, where
> you can't read on once you've hit EOD.
>
> The driver could easily have faked the double-filemark at EOT, so the
> API wouldn't have changed at all. (Just as you see the EOD from the
> tape, finish the current transfer and return a "short read", and being
> asked a second time, return a null read. Upon further attempts,
> return an error.)
Sigh. Every time I've suggested this in both FreeBSD and NetBSD I've been
shot down with that too.
>
> Btw., Matt, couldn't modepage 0x10, field "EOD defined" be used in
> order to decide whether a tape drive supports a physical EOD notation,
> and thus doesn't require two filemarks at EOD? If i read the standard
> correctly, those fields should be set to 3 for a tape drive that
> doesn't support physical EOD. (I can't verify, i don't have any such
> drive.)
Yes, I've though about this. I should indeed check. But I suspect that
there is breakage with a number of drives here.
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