Questions tagged [openstack-nova]
Openstack's Compute is a component that can be used to host and manage systems
117 questions
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Openstack: What the difference between nova migrate and nova evacuate?
On liberty, I've been searching for a way to "empty" a hypervisor from all its VMs.
At the nova client docs, I've found the following commands related to this:
nova evacuate : Evacuate ...
CommunityBot
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2
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Problems in Openstack vms after enabling Ceph PWL
We have an Openstack cluster with a Ceph cluster as backend storage . We enabled ceph PWL (Peristent Write Log Cache) in our ceph cluster . After that our virtual machines work fine just until the ...
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openstack - can't manage servers from controller gui
I'm not very expert with openstack.
I have two problems on my openstack environment with two controllers.
When I check the state, more host are down (but they are up and running, and the vm running ...
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openstack backup in a multi-tenant setup
I’m really struggling with backups in our OpenStack setup. We got a bunch of tenants running, and it’s honestly becoming a huge mess trying to manage all the backups and recovery stuff.
Here’s what’s ...
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nova-compute is not running or existing
I'an Newbie with Openstack and I learning it.
I have installed Openstack following official doc on multinode
https://docs.openstack.org/kolla-ansible/latest/user/quickstart.html
1 controller
1 storage
...
- 35
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Has anyone encountered an error like this? "Exhausted all hosts available for retrying build failures for instance"
Maybe someone found a bug like this in your OpenStack, when you created an instance,
error:
Traceback (most recent call last): File "/usr/lib/python3/dist-packages/nova/conductor/manager.py",...
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1
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Openstack: compute node not added (mapped?) in the nova cell (not listed as hypervisor)
I don't know how to troubleshoot this any further. I hope I can find help.
When I delete a compute service with: openstack compute service delete a04910ef-1441-4949-8ffb-6393c22141b2, I can restart ...
- 121
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Openstack Nova: PCI alias is not defined
I'm running Openstack Zed deployed with kolla-ansible 15.4.1. I'm facing a strange behavior:
I have a GPU on one of my compute node, and nova is configured to perform PCI passthrough. When I try to ...
0
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1
answer
255
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Openstack kolla create instance network error
I tried to create an instance and just when the IP from the selected network should be assigned to the instance, it fails. Of course, an IP is given, but it seems that it cannot create the interface ...
1
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1
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363
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Questions on Openstack networking (Neutron) configuration
newbie here who's trying to understand Openstack networking topic.
My setup:
I have 3 physical machines with Openstack installed and running:
- controller (with Keystone, Glance, Placement, Neutron, ...
- 161
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openstack fails to create an instance after integrating with rbd ceph
I have configured openstack kolla to enable ceph for glance, cinder and nova. I must say that cinder and glance are working perfectly fine with ceph. Nova on the other hand refuses to work properly. ...
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openstack nova goes down when ceph pool is set to have more than 1 pgs
I have openstack connected to ceph cluster.
When i increase the pgs of the vms pool to be more than 1 and launch instance in openstack the instance is stuck on spawning state and nova compute ...
- 115
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1
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790
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Openstack instance launch with self signed certificate throwing nova api error
trying to build a test environment with openstack:antelope on three nodes; controller, compute and networking. everything seems to be set up fine except i use a self-signed certificate and when i ...
- 101
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openstack fails in pci clam and cached bad data
I have openstack instance with one controller node and 2 compute nodes, our production works fine until 3 days ago, but now if we want to create instance with RTX-3090-flavor instance creating fails ...
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install openstack compute on VM (yoga release)
I try install openstack compute service on Centos 8 in Virtualbox. I following instruction: https://docs.openstack.org/nova/yoga/install/compute-install-rdo.html
But when I try start services get ...
