Re: [EXTERNAL] [Xen-devel] XEN Qdisk Ceph rbd support broken?

[Brian Marcotte <marcotte@xxxxxxxxx>]

> Your issue stems from the auto-creation code in xen-block:
> 
> The "aio:rbd:rbd/machine.disk0" string is generated by libxl and does
> look a little odd and will fool the parser there, but the error you see
> after modifying the string appears to be because QEMU's QMP block
> device instantiation code is objecting to a missing parameter. Older
> QEMUs circumvented that code which is almost certainly why you don't
> see the issue with versions 2 or 3.

Xen 4.13 and 4.14 includes QEMU 4 and 5. They don't work with Ceph/RBD.

Are you saying that xl/libxl is doing the right thing and the problem
needs to be fixed in QEMU?

--
- Brian