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Re: [Xen-users] how to make usb drive work with domU ?

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] how to make usb drive work with domU ?
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Tue, 27 Feb 2007 14:41:29 +0000
Cc: anant <ANigam@xxxxxxxxxxx>
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> Hia..
> If i am not wrong, in past someone told me that USB Drive can be accessed
> in virtual machine by configuring it.
> So could any one just let me know how to get hold of this issue....

In the special case of a USB drive, plug it into dom0 and export the phy: 
device corresponding to it into the guest.  Look up what device your USB 
drive is in dom0 (e.g. look in the dmesg output), then use that as the phy: 
device to export.  In the guest it'll appear as a normal hard drive.  
*however* the guest won't know it's a USB drive, so you need to unmount it 
(or equivalent) to make sure the data is flushed before you remove the USB 
stick (and then you should probably xm block-remove before you unplug the 

The other posters in this thread have been talking about dedicating a host USB 
port to guest control: that can be done in principle, but support seems to be 
buggy at the moment.


Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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