Changing the database like this isn't really supported. You'd likely
need to delete the old cell and map the hosts to a new cell using the
nova-manage cell_v2 * commands like create_cell, map_instances and
discover_hosts.
** Tags added: cells
** Changed in: nova
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1785193
Title:
changing a node's cell results in duplicate hypervisors
Status in OpenStack Compute (nova):
Invalid
Bug description:
Description
===========
Changing a node's cell through nova.conf and then restarting nova-compute
will result in duplicate hypervisor records for that node.
Steps to reproduce
==================
1. edit nova.conf on a compute node, to update [database].connection and
[DEFAULT].transport_url to another cell's.
2 restart nova-compute service
3 nova hypervisor-list
Expected result
===============
Not sure what to expect yet.
Actual result
=============
+--------------------------------------+---------------------+-------+---------+
| ID | Hypervisor hostname | State | Status
|
+--------------------------------------+---------------------+-------+---------+
| a40d3d87-21c0-5728-a9ea-c2bdc544a148 | compute | up |
enabled |
| b87f790c-4160-4540-b4a9-2dbcfbe9d019 | compute | up |
enabled |
+--------------------------------------+---------------------+-------+---------+
The following error is also captured in nova-compute.log:
nova.scheduler.client.report [req-ee9c94db-9ea6-7358-97a7-444a31db3a2c
- - - - -] [req-7b4fa3d6-3f17-5895-a3c5-54562d02b10b] Failed to create
resource provider record in placement API for UUID a40d3d87-21c0-5728
-a9ea-c2bdc544a148. Got 409: {"errors": [{"status": 409, "request_id":
"req-7b4fa3d6-3f17-5895-a3c5-54562d02b10b", "detail": "There was a
conflict when trying to complete your request.\n\n Conflicting
resource provider name: compute already exists. ", "title":
"Conflict"}]}.
Environment
===========
openstack-nova-compute-17.0.5-1.el7.noarch (queens release)
Logs & Configs
==============
not related
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