[libvirt] Problem connecting to hypervisor.

[Jim Fehlig]

Vikas Kokare wrote:
> I am trying to establish a connection (using virsh command) to a
> couple of hypervisor hosts, both on SLES 11.3 environments. The host
> from where i am making both the connections is a SLES 10.4 instance.

Hi Vikas,

FYI, this list is for discussing upstream libvirt development, not a
forum for distro support.  Since you are using SLES, it would be best to
enter a support ticket with SUSE.

>
> /kvmh911351246:~ # virsh -c qemu+ssh://9.113.51.247:22/system
> <http://9.113.51.247:22/system>
> libvir: XML-RPC error : *authentication required*
> error: failed to connect to the hypervisor/
> /
> /
> The SSH authentication to hypervisor host 9.113.51.247 has already
> been established.
>
> /kvmh911351246:~ # *ssh root at 9.113.51.247 <mailto:root at 9.113.51.247>*
> Last login: Tue Jun  3 11:31:56 2014 from scm-kvmh2-rhel6
> SLES11-51-247:~ #/
> /
> /
> Hence the cause of the authentication failure is not clear.
>
> The second connection to another SLES 11.3 host looks like
> /
> virsh # connect qemu+ssh://9.121.58.19:22/system
> <http://9.121.58.19:22/system>
> *bash: socat: command not found
> libvir: Remote error : socket closed unexpectedly
> *error: Failed to connect to the hypervisor/

You could try installing socat on the SLES11 SP3 systems.

>
> where the cause of the error is entirely different.
>
> The libvirt packages available on these environments are
>
> *9.113.51.247 (SLES 11.3)*
> /libvirt-cim-0.5.12-0.7.16
> libvirt-1.0.5.1-0.7.10
> libvirt-python-1.0.5.1-0.7.10
> libvirt-client-32bit-1.0.5.1-0.7.10
> libvirt-lock-sanlock-1.0.5.1-0.7.10
> libvirt-client-1.0.5.1-0.7.10/
>
> *9.121.58.19 (SLES 11.3)*
> /libvirt-cim-0.5.12-0.7.16
> libvirt-client-1.0.5.1-0.7.10
> libvirt-python-1.0.5.1-0.7.10
> libvirt-1.0.5.1-0.7.10/

The libvirt packages on your SLES11 SP3 machines are quite old and need
updated.

Regards,
Jim