[Fiware-lab-federation-nodes] libvirt issue: "missing storage backend for network files using rbd protocol"

[PABLO RODRIGUEZ ARCHILLA]

Dear Giorgio, dear all:

This is a known problem that doesn't affect the monitoring. You could just ignore it.

Anyway, we will work in a solution to avoid such confusing message. Sorry for the inconveniences.

Regards.



-----Mensaje original-----
De: fiware-lab-federation-nodes-bounces at lists.fiware.org [mailto:fiware-lab-federation-nodes-bounces at lists.fiware.org] En nombre de Giorgio Robino
Enviado el: miércoles, 28 de septiembre de 2016 15:51
Para: fiware-lab-federation-nodes at lists.fiware.org
Asunto: [Fiware-lab-federation-nodes] libvirt issue: "missing storage backend for network files using rbd protocol"

Dear all,

in Genoa node we installed all servers using OPS-Deploy (Kilo Over
Ubuntu) with Ceph RBD.

In compute nodes we find the error:

root at compute01:/var/log/ceilometer# cat ceilometer-agent-compute.log | grep ERROR | tail -n1 -
2016-09-28 07:04:34.658 5191 ERROR
ceilometer.compute.pollsters.disk[-] Ignoring instance instance-00000647
(ca9689da-37d2-4e65-b782-d7a899318a1a) : internal error: missing storage backend for network files using rbd protocol


Could the problem be related to the following known issue:  
https://bugs.launchpad.net/ceilometer/+bug/1457440,
which suggests to upgrade libvirt to version >= 1.2.21.

In our compute nodes we have this version of libvirt:

root at compute01:~# dpkg -s  libvirt-bin
...
Version: 1.2.9-9~u14.04+mos3

BTW, this libvirt version is the latest available under Ubuntu 14.04.5 release.

Anyone experienced the same issue ?
Any idea regarding how to proceed with a libvirt upgrade even breaking dependency list ?

Thanks a lot
giorgio

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