Re: [Qemu-discuss] qemu-nbd: knowing which nbd device number to connect

[Phil Ehrens]

This may be all you need:

 ls /dev/nbd*

Unless the nbd model supports disconnection and reuse
of an existing device. Sorry, again I'm just guessing.

Please tell me if I'm being a nuisance.

Raphael Bauduin wrote:
> Hi,
> 
> I'm accessing qcow2 images via nbd. This is done with a command as
> qemu-nbd -c /dev/nbd0 /path/to/image.qcow
> 
> When making several images available, I use subsequent numbers for the
> /dev/nbd device to attach to. Is there a way to get the first available nbd
> device number ?
> 
> Thanks
> 
> Raph

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