On Fri, 7 Nov 2025 16:31:55 -0500, Phil Smith III wrote:

>Ah, sorry, I meant to say: it was a physical label on the tape. Kinda an 
>important detail I omitted! So it wasn't "security" per se, more like the Luhn 
>on a credit card, to avoid entry error (in this case, "grab error").
> 
I see; thanks.  Does that leave a hazard that at a busy time an operator
might mount a tape on the wrong drive but enter the matching hash?

-- 
gil

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