Re: [Xen-users] Backend driver for I/O access

[Roger Pau Monné <roger.pau@xxxxxxxxxx>]

On 21/02/14 16:22, DJOMGWE TEABE Boris wrote:
> Any help on this would be greatly appreciated.  
> 
> I am using xen 4.2 and my dom0 OS is Ubuntu server 12.04. I  working on
> I/O acces on guests OS. I am trying to modify my backend driver
> (blkback) for I/O access but it seems as my Guest OS is not using it.
> Can you please tell me how to start my Virtual Machine or my dom0 so
> that the backend dirver (blkback) is used.
> This is a copy of my VM configuration file (sorry in my first message I
> put the wrong configuration file):
> 
> name = "vm.pv"
> kernel = "/boot/vmlinuz-3.2.54"
> ramdisk = "/boot/initrd.img-3.2.54"
> extra = "root=/dev/xvda1 ro debug"
> memory = 512
> vcpus = 1
> vif = [ 'bridge=xenbr0' ]
> disk = ['phy:/usr/src/disk.raw,xvda1,rw']

If you are using a raw disk, the PV block backend will be handled by
Qemu (Qdisk). If you want to use blkback you must use a physical disk (a
disk partition, a LVM volume,...).

Roger.


_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxx
http://lists.xen.org/xen-users