Re: Problem with a RAW Disk and Xen
On 8/27/20 2:47 PM, Christoph wrote:
>
> Using blkback works for me, e.g. <driver name='phy'...>.
>
what is the diff to 'qemu'?
It's just a different block backend. Xen supports both qemu as a block backend
and blkback. blkback only supports raw IIRC. And apparently, when used with Xen,
the qemu backend only support rw.
> What xl config did you use? It doesn't work for me if I
specify qdisk
> and readonly. E.g. the following does not work
>
> "backendtype=qdisk,format=raw,vdev=xvdz,access=ro,target=..."
>
"phy:/dev/mapper/keys,xvdz,r"
As expected you are using blkback.
Regards,
Jim