Fw: nova compute rbd backend error

Nazan CENGİZ nazancengiz at havelsan.com.tr
Mon Jun 15 15:00:34 UTC 2020


 I've wanted to use ceph storage as a backend for nova, glance and cinder. I've succeded to use ceph for cinder and glance but I couldn't at nova.

I have saw this bug for "Stein" version --->  https://bugs.launchpad.net/nova/stein/+bug/1860990
After that, I've entered the nova-compute pod and I've run below commands;
apt install python-rbd
apt install python3-rbd
But it didn't work. I've gotten same error.
A solution must be on the K8s side. Do you have any of ideas about that?

error;
2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager   File "/var/lib/openstack/lib/python3.6/site-packages/nova/virt/libvirt/driver.py", line 1216, in _get_rbd_driver
2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager     rbd_user=CONF.libvirt.rbd_user)
2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager   File "/var/lib/openstack/lib/python3.6/site-packages/nova/virt/libvirt/storage/rbd_utils.py", line 128, in __init__
2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager     raise RuntimeError(_('rbd python libraries not found'))
2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager RuntimeError: rbd python libraries not found



Nova compute image;

[cid:e78156d8-4edf-4abd-8585-7e346fb1f879]


Best Regards,

Nazan


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Nazan CENGİZ
AR-GE MÜHENDİSİ
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