> This happens when NW works with a 'rewind' but not a 'no-rewind' 
> tape drive. You select this via the device name, but for Linux/UNIX 
only.

We're a Windows-only shop.

> 
> I don't know whether you changed your configuration at all but i 

Didn't change anything. (well, we had service on our library, replaced a 
drive. And I've found, for my situation, it's just easier to delete the 
library and re-add it, when the hardware changes. So I did that. But the 
only changes I made were to the number of available slots, and to not use 
the barcode reader. Nothing else. And that's how the library was 
configured before I deleted it)

> would look at 
>   - the tape driver
>   - the device name (if it is attached to a Linux/UNIX storage node).
> 
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