NBD shouldn't be needed for xen. You probably need to set
--nouse_cow_images
which will stop nova from trying to use qcow2 as the image format.
Vish
On Aug 16, 2011, at 11:06 AM, Joshua Harlow wrote:
> ctoteam@buildingbuild:~$ sudo modprobe nbd
> ctoteam@buildingbuild:~$
>
> Is there supposed to be devices there??
>
> On 8/15/11 10:23 PM, "Yuriy Taraday" <yorik....@gmail.com> wrote:
>
> You probably should try to do "modprobe nbd" before running nova. This will
> create list of nbd devices that nova uses to inject keys and get images ready
> to start VM from them.
>
> Kind regards, Yuriy.
>
>
>
> On Tue, Aug 16, 2011 at 06:18, Joshua Harlow <harlo...@yahoo-inc.com> wrote:
> Hi all,
>
> Another error that others may have seen:
> Is it supposed to continue even if this fails?
> This is for running xen btw (this is running on nova-compute in a xen dom0
> instance).
>
> ting data into image 3 (Unexpected error while running command.
> Command: sudo qemu-nbd -c /dev/nbd14
> /home/ctoteam/nova/nova/..//instances/instance-0000000a/disk
> Exit code: 1
> Stdout: ''
> Stderr: "qemu-nbd: Could not access '/dev/nbd14': No such file or
> directory\n")
> libvir: Xen Daemon error : XML error: failed to parse domain description
> 2011-08-15 19:16:29,374 ERROR nova.exception [-] Uncaught exception
> (nova.exception): TRACE: Traceback (most recent call last):
> (nova.exception): TRACE: File "/home/ctoteam/nova/nova/exception.py", line
> 97, in wrapped
> (nova.exception): TRACE: return f(*args, **kw)
> (nova.exception): TRACE: File
> "/home/ctoteam/nova/nova/virt/libvirt/connection.py", line 603, in spawn
> (nova.exception): TRACE: domain = self._create_new_domain(xml)
> (nova.exception): TRACE: File
> "/home/ctoteam/nova/nova/virt/libvirt/connection.py", line 1078, in
> _create_new_domain
> (nova.exception): TRACE: domain = self._conn.defineXML(xml)
> (nova.exception): TRACE: File
> "/usr/lib/python2.6/dist-packages/libvirt.py", line 1869, in defineXML
> (nova.exception): TRACE: if ret is None:raise
> libvirtError('virDomainDefineXML() failed', conn=self)
> (nova.exception): TRACE: libvirtError: XML error: failed to parse domain
> description
> (nova.exception): TRACE:
> 2011-08-15 19:16:29,375 ERROR nova.compute.manager [-] Instance '10' failed
> to spawn. Is virtualization enabled in the BIOS? Details: XML error: failed
> to parse domain description
> (nova.compute.manager): TRACE: Traceback (most recent call last):
> (nova.compute.manager): TRACE: File
> "/home/ctoteam/nova/nova/compute/manager.py", line 329, in _run_instance
> (nova.compute.manager): TRACE: self.driver.spawn(instance, network_info,
> bd_mapping)
> (nova.compute.manager): TRACE: File "/home/ctoteam/nova/nova/exception.py",
> line 124, in wrapped
> (nova.compute.manager): TRACE: raise Error(str(e))
> (nova.compute.manager): TRACE: Error: XML error: failed to parse domain
> description
> (nova.compute.manager): TRACE:
> libvir: Xen error : Domain not found: xenUnifiedDomainLookupByName
> 2011-08-15 19:16:51,893 INFO nova.compute.manager [-] Found instance
> 'instance-00000005' in DB but no VM. State=5
>
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