[rdo-users] Issue while creating an instance in nova and error log while restarting Nova compute service

Mon Dec 2 14:13:27 UTC 2019

----- Original Message -----

> Dear users,

> I am getting problem while creating an instance . It not able to determine
> valid host.

> I have noticed when i restart nova compute service , it restarted
> successfully BUT It logs error on nova-compute.log

> 2019-11-30 06:29:30.324 145061 ERROR nova.compute.resource_tracker
> [req-6a4d7b4f-9ab1-4669-8c7e-99e3adb5cb18 - - - - -] Skipping removal of
> allocations for deleted instances: Failed to retrieve allocations for
> resource provider 27a39914-a509-4261-90f5-8135ad471843: <!DOCTYPE HTML
> PUBLIC "-//IETF//DTD HTML 2.0//EN">

> : ResourceProviderAllocationRetrievalFailed: Failed to retrieve allocations
> for resource provider 27a39914-a509-4261-90f5-8135ad471843: <!DOCTYPE HTML
> PUBLIC "-//IETF//DTD HTML 2.0//EN">
> 2019-11-30 06:29:30.388 145061 ERROR nova.scheduler.client.report
> [req-6a4d7b4f-9ab1-4669-8c7e-99e3adb5cb18 - - - - -] [None] Failed to
> retrieve resource provider tree from placement API for UUID
> 27a39914-a509-4261-90f5-8135ad471843. Got 500: <!DOCTYPE HTML PUBLIC
> "-//IETF//DTD HTML 2.0//EN">

> UUID is correct

> MariaDB [(none)]> select uuid from nova.compute_nodes where host='
> openstack.bipul.com ';
> +--------------------------------------+
> | uuid |
> +--------------------------------------+
> | 27a39914-a509-4261-90f5-8135ad471843 |
> +--------------------------------------+
> 1 row in set (0.000 sec)

> MariaDB [(none)]>

> 1) nova.conf is not changed , It just the same which comes with the
> distribution

> 2) Openstack overall health seems OK, all services are in running state

> 3) Problem : placement url running on port 8778 ( URL : http://<IP address
> >:8778/placement ) is showing internal server error (500) while accessing
> via web browser or curl .

> 4) nova-status upgrade check also showing error InternalServerError: Internal
> Server Error (HTTP 500)

Hi, 

It looks like the Placement service is having some trouble. Can you check the contents of /var/log/httpd/placement*.log? They should give you some pointer to continue troubleshooting. 

Regards, 
Javier 

> 5) followed the standard method of installation described in
> https://www.rdoproject.org/install/packstack/

> 6) Attached o/p of log during a nove compute service restart and nova service
> status

> Appreciate all your help

> Thanks
> Bipul

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