Ian Brown wrote:
> Hello,
>
> Thanks, Anthony.
>
> I tried both #2 and #3.
>
> It does not say any error, but still I cannot access the USB disk on key.
> Maybe I miss something ?
> Here are few more details.
>
> When I ran:
> /usr/local/kvm/bin/qemu-system-x86_64 -usbdevice disk:/dev/sdb
> /work/kvm/win2003/vdisk.img -m 384

Try:

/usr/local/kvm/bin/qemu-system-x86_64 -usb -usbdevice disk:/dev/sdb 
/work/kvm/win2003/vdisk.img -m 384

Regards,

Anthony Liguori

> OR
> /usr/local/kvm/bin/qemu-system-x86_64  -hdb /dev/sdb
> /work/kvm/win2003/vdisk.img -m 384
>
> windows started ok (it did not emit errors, as I said).
>
> But I expected that clicking on "my computer" (or right clicking and
> opening file explorer) will show me the USB storage disk,
> and it did not. (I can see there only the hard disk and the CD).
>
> Any ideas ?
> Am I missing here something ?
>
> Regards,
> Ian
>
>
>
>
>
>
> On 7/16/07, Anthony Liguori <[EMAIL PROTECTED]> wrote:
>> Avi Kivity wrote:
>> > Ian Brown wrote:
>> >
>> >> Hello,
>> >> Is there a way to access a USB disk-on-key from windows which runs on
>> >> Linux under KVM?
>> >>
>> >>
>> >>
>> >
>> > You can add it as a regular disk (-hdb /dev/sdb or whatever it's 
>> called;
>> > make sure it isn't mounted in the host) or maybe via the -usbdevice
>> > option (don't know if/how that works at all).
>> >
>>
>> You have three options:
>>
>> 1) Expose it as -hdb /dev/sdb
>> 2) Expose it as an emulated USB disk -usbdevice disk:/dev/sdb
>> 3) Pass it through directly to the guest by disabling Linux from using
>> the device and then passing it through with -usbdevice host:x.y
>>
>> #1 will perform the best
>> #2 will give you the give you the most flexibility (you can remove the
>> disk and insert at run time)
>> #3 would allow you to support exotic disks that go beyond the standard
>> mass storage specification.
>>
>> I'd recommend using #2.
>>
>> Regards,
>>
>> Anthony Liguori
>>
>>
>


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