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Hi All, 

I have found the same problem on my normal setup without using storage node.
All in the same machine
Controller <->compute node. setup

Controller on  Fedora20 host machine and compute node running in VM (Fedora20) on the same machine. 

I found that 
sudo service  nova-compute status
Redirecting to /bin/systemctl status  nova-compute.service
nova-compute.service
   Loaded: not-found (Reason: No such file or directory)
   Active: inactive (dead)

hope I am in the right direction, please correct me If I am wrong. 

regardsSomshekar


 
Regards
Neelu 

     On Monday, 8 December 2014 5:42 AM, Francisco J. Araya <faraya at kionetworks.com> wrote:
   

 Finally the problem was that /var/lib/nova/instances mounted over CephFS had bad permitions on files/directories. With a clean directory the problem doesn't show anymore.

Regards,

2014-12-04 12:39 GMT-06:00 Francisco J. Araya <faraya at kionetworks.com>:

Well, after working with Guillermo we have acknowleged is that it seems to be an issue with the shared storage (CephFS).

We changed /var/lib/nova/instances to local storage on one of the computer nodes and voila! The node it's not going down with XXX anymore!

Now we want to check if it's a file permissions issue on /var/lib/nova/instances or there is a issue with shared fs ceph storage.



2014-12-04 1:15 GMT-06:00 Guillermo Alvarado <guillermoalvarado89 at gmail.com>:

Hi everyone,
I can not found any info about this error: Got semaphore "storage-registry-lock"
All my computes goes :-) but after 40 mins aprox I got XXX
Here the complete log:
2014-12-04 00:43:41.921 32947 DEBUG nova.openstack.common.lockutils [-] Got semaphore "storage-registry-lock" lock /usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py:168
2014-12-04 00:43:41.922 32947 DEBUG nova.openstack.common.lockutils [-] Attempting to grab file lock "storage-registry-lock" lock /usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py:178
2014-12-04 00:43:41.963 32947 DEBUG nova.openstack.common.lockutils [-] Got file lock "storage-registry-lock" at /var/lib/nova/instances/locks/nova-storage-registry-lock lock /usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py:206
2014-12-04 00:43:41.964 32947 DEBUG nova.openstack.common.lockutils [-] Got semaphore / lock "do_get_storage_users" inner /usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py:248
2014-12-04 00:43:41.965 32947 DEBUG nova.openstack.common.lockutils [-] Released file lock "storage-registry-lock" at /var/lib/nova/instances/locks/nova-storage-registry-lock lock /usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py:210
2014-12-04 00:43:41.966 32947 DEBUG nova.openstack.common.lockutils [-] Semaphore / lock released "do_get_storage_users" inner /usr/lib/python2.7/dist-packages/nova/openstack/common/lockutils.py:252

BTW I am using ceph and RBD to cinder 
Any Ideas??



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-- 
Francisco J. Araya Maggiolo
DevOp - Research & Development
KIO Networks
Mexico City
Phone: +52 (55) 8503 2600 ext. 3901
Mobile: +52 (1) (55) 6066 9025
http://www.kionetworks.com





-- 
Francisco J. Araya Maggiolo
DevOp - Research & Development
KIO Networks
Mexico City
Phone: +52 (55) 8503 2600 ext. 3901
Mobile: +52 (1) (55) 6066 9025
http://www.kionetworks.com





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