On Mon, 8 Dec 2003, Eduard Hasenleithner wrote:

> I have a more fundamental question: Why do we need lun detection? The 
> datafab reader is already presented to the OS as a two lun device 
> (sda/sdb). In this case the user can decide which lun to use. Or is your 
> datafab device different with this regard?
> 
> The other possibility would be to report only a single lun to the OS and 
> let the lun detection select the lun with a CF inserted. So my question 
> is: should I modify datafab to present the two luns indepently to the 
> operating system and send you the patch?

I don't have a card reader and know almost nothing about how they work.

But following this thread has inspired a question: What happens to the lun
mapping when there are two slots in the reader and _both_ slots have a
card inserted?

And a related variant: what if one of the cards is CF and the other is SM,
or what if both cards are the same type?

Alan Stern



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