Skip to main content

Questions tagged [openstack-nova]

Openstack's Compute is a component that can be used to host and manage systems

Filter by
Sorted by
Tagged with
0 votes
0 answers
31 views

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 ...
Mica Calvas's user avatar
0 votes
1 answer
99 views

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 ...
sajad mazaheri's user avatar
0 votes
0 answers
43 views

Custom role read-only for detail server in OpenStack

I want to create a custom read-only role that can show server details in all other projects "openstack server show" without needing to assign the role to the project. Here I have set the ...
Abdul Wildan's user avatar
0 votes
0 answers
13 views

Cannot create an open stack instance

I configure my environment with 2 controller 3 computer nodes in an OpenStack Wallaby Ubuntu 20.04.5 environment, and eventually I can't create an instance with an error when creating an instance on ...
김태웅's user avatar
1 vote
1 answer
140 views

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, ...
Pybubb's user avatar
  • 13
0 votes
0 answers
66 views

Ceph rbd commands are hanging forever when executed on remote server

I have an openstack compute node connected to ceph cluster with 10G. The compute can ping and reach the all ceph nodes and port 3300 but somehow rbd commands are hanging which is stopping the compute ...
student0909's user avatar
0 votes
0 answers
155 views

openstack after passthrough RTX 3090 GPU - lspci says !!! Unknown header type 7f

First thanks if you read this all, cause its like a long story. We have cloud infrastructure on Ubuntu 20.04 with Linux 5.4.0-155-generic x86_64 kernel and OpenStack as virtualization system with QEMU/...
Mahdi's user avatar
  • 1
0 votes
0 answers
93 views

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. ...
student0909's user avatar
0 votes
0 answers
68 views

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 ...
Philip Scot's user avatar
0 votes
1 answer
127 views

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 ...
Mahdi's user avatar
  • 1
0 votes
0 answers
216 views

Getting the nova compute state to be enabled and up for kolla-openstack

Following this set of instructions: https://kifarunix.com/deploy-all-in-one-openstack-with-kolla-ansible-on-ubuntu-22-04/, I was able to get The Kolla OpenStack All-In-One deployment to pass the ...
Kerry Cox's user avatar
0 votes
0 answers
224 views

Openstack: Can't launch instances when GPU passtrough is enabled

I installed openstack using devstack in a single node configuration on Ubuntu 22.04 (Jammy) LTS. I followed the following tutorial to setup GPU passthrough on my openstack: https://superuser.openinfra....
dmat_pravaig's user avatar
0 votes
0 answers
82 views

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 ...
Alexander Klychevskiy's user avatar
0 votes
1 answer
260 views

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 ...
aclaverie's user avatar
0 votes
1 answer
142 views

Openstack Nova scheduler configure with ComputeCapabilitiesFilter

I am trying to configure Nova scheduler to balancing workload between compute hosts. My OpenStack environment is deployed by kolla-ansible and has 2 compute nodes: compute1 with 8Gb RAM and compute2 ...
Hai Pham's user avatar
0 votes
1 answer
2k views

Error Detatching Cinder Volumes in Openstack

When I try and detach cinder volumes in openstack they do not detach properly. They just get stuck in detaching. The same thing happens if I delete an instance. The instance deletes fine but the ...
dlx8282's user avatar
0 votes
0 answers
410 views

Non Admin openstack user is unable to create compute instances on Horizon Dashboard

Problem Statement: Non Admin user is unable to create instances using Openstack Horizon Dashboard. Errors: Errors seen in sequence on the top right of the page are: Error: Forbidden. Insufficient ...
Abhijit Anand's user avatar
0 votes
0 answers
482 views

Openstack - Failed to Create Instance using Availability Zone parameter

Summary I have fairly small Openstack Cluster with 2 AZ : AZ-GOLD-6248R have 3 compute node and AZ-E5-2630 have 1 compute node (both AZ had different specs) I can create instance to AZ-E5-2630 using ...
Febryandana's user avatar
0 votes
0 answers
299 views

CRITICAL neutron [-] Unhandled error: neutron.privileged.agent.linux.ip_lib.InterfaceOperationNotSupported Openstack

As per OpenStack nice documentation, I configure the neutron minimal setup with the "self-service network" option. when all configurations done i see the verify command "openstack ...
Mehedy Hasan's user avatar
0 votes
1 answer
1k views

How to view the used space of a volume in OpenStack

In OpenStack, is there a way to view the used space of a volume? In another words, what is the equivalent of the virt-df <domain> --human command in OpenStack api?
Bani's user avatar
  • 19
0 votes
1 answer
481 views

Nova setup error (MissingAuthPlugin)

so when i was following Openstack Yoga installation i got error adding nova-conductor and nova-scheduler.enter image description here when i read conductor's log, it said CRITICAL nova [-] Unhandled ...
Huỳnh Nam's user avatar
1 vote
1 answer
141 views

Can I use OpenStack Rocky with a neoverse-n1?

Situation: For now, I'm stuck on OpenStack Rocky on Ubuntu 18.04.6 and I have some beefy Neoverse-n1 hardware (aarch64, 64-core, 1TB memory) to integrate. Can I accomplish this with on my current OS ...
jimbob's user avatar
  • 26
1 vote
1 answer
3k views

Nova Compute State "down"

I am doing a live migration test in an OpenStack cluster. (Mitaka). I have 3 VMs deployed on 2 compute hosts. The nova-compute state is UP when I start the cluster. But after sometime the although the ...
Anvay's user avatar
  • 13
0 votes
1 answer
162 views

Openstack nova cold migration failing on rocky 9 due to sftp subsystem error

I have deployed a multinode deployment of OpenStack using kolla ansible (deployed following the openstack deployment guide) on 2 rocky linux 9.1 machines. When attempting to migrate one instance ...
N. Komodo's user avatar
-1 votes
1 answer
153 views

Different between of the role of Nova-Conductor and Nova-Compute

Assert: I don't understand about OPS/Redhat explaination. Because all of information said nova-conductor will help database-accessing for nova-compute, every chart/image showed, too. From OPS ...
Huy võ lê's user avatar
0 votes
0 answers
911 views

openstack compute node not registering

I am trying to manually install Openstack Yoga in virtual environment (Rocky Linux 9). I am struggling to bring my compute node in the * Openstack hypervisor list*. Following this guide to install ...
heavyguidence's user avatar
0 votes
0 answers
658 views

openstack oslo messaging exception in nova-conductor

I have set up opensatck yoga in ubuntu 22.04. I have gone through each verify step after install which all worked fine. I have 1x controller and 1x compute. In my controller i keep noticing this ...
shorif2000's user avatar
0 votes
1 answer
227 views

openstack selfservice network error Invalid input for operation: Segmentation ID should be lower or equal to 4095

I am running ubuntu 22.04 lts with openstack yoga. when i run the following command openstack network create selfservice --debug i get error POST call to network for http://controller1:9696/v2.0/...
shorif2000's user avatar
0 votes
1 answer
753 views

nova-compute for compute node in openstack not working No DB access allowed in nova-compute

I have followed this guide https://docs.openstack.org/neutron/yoga/install/compute-install-ubuntu.html the configuration i have is $ sudo egrep -v '^#|^$' /etc/nova/nova.conf [DEFAULT] log_dir = /var/...
shorif2000's user avatar
0 votes
1 answer
864 views

OpenStack Queens: Horizon Fails after rebooting the controller node

The controller node was rebooted and some VMs were running. After that, when logging to Horizon, I keep receiving the following error: Error: Unable to retrieve instances. And I can no longer see the ...
Ramy Fouad's user avatar
1 vote
0 answers
172 views

Start instances from specific subnet

we have a network with two subnets (subnet1, subnet2). However when instances are launched they receive IP only one from subnet1 (probably until it has no more IPs to offer) Do you know the rule on ...
donkihott's user avatar
0 votes
1 answer
503 views

Openstack instance is unreachable

I am facing the following issue with my new Openstack installation. The installation is a little bit weird and to elaborate more, I have a controller and a compute node running as VMs in XenServer. ...
geo_pap's user avatar
0 votes
0 answers
1k views

How to debug timeout error during instance creation?

I've created a small OpenStack cloud consisting of 3 nodes that all contain the same services, using kolla ansible. I can start instances using the Cirros toy image no problem, and also an offical ...
Evgeniy Berezovsky's user avatar
0 votes
1 answer
239 views

resizing windows instance in openstack - disk wont resize

Openstack resize flavor in windows image show no error. CPU and Memory will increase but the disk won't. no error log. in the instance description it shows the new flavor but the disk won't resize. I ...
Aref's user avatar
  • 1
1 vote
0 answers
94 views

openstack nova have a long startup after the fast created volume

i have reinstalled OpenStack with the newest version (Yoga) and all base modules. The system is running fine but the time between the creation of the volume and the startup ist very long with ~10 ...
emil0815's user avatar
0 votes
1 answer
406 views

Openstack nova terminating guest vms with oom_kill

I am running an openstack Victoria with Kolla ansible deployment , all components are containerised . The compute node is (oom_kill) killing guest when the memory is max out , is there a way to avoid ...
user956952's user avatar
0 votes
2 answers
479 views

How to have node affinity in openstack?

For Example, I have 3 Compute servers and I want to have 1 Specific Instance on each of them and I want to have Node Affinity on them. instance_1 --> compute_node_1 (Always on this node) ...
Milad Jahandideh's user avatar
0 votes
2 answers
838 views

kolla ansible deployment stuck at Nova API bootstrap container

I am deploying openstack (for kypo cyber range) using kolla-ansible. I have followed all the steps on official guide. However I am stuck on Nova API bootstrap container for almost half a day. I have ...
aneela's user avatar
  • 99
0 votes
1 answer
772 views

Incorrect ressource allocation on OpenStack

In our cluster, we have 4 computes running and we have an issue with the number 4. We can't create VMs on it, we can't migrate VMs to or from that node. VMs are still perfectly working though. After a ...
Hexomédia's user avatar
0 votes
0 answers
277 views

Openstack ( using libvirt image type as LVM )- Very low IOPS

As part of the base line testing, able to see qcow is providing much higher iops compare to the LVM. Ideally it should be the reverse ( as per my knowledge gathering ) Kindly please advise me on how ...
keerthivasan's user avatar
3 votes
0 answers
774 views

Openstack Nova and Ceph Volume Attachment Issue

I am trying out the volume attachment function at Openstack (version:wallaby) to the server as additional device but failed. The volume backend is ceph which all of the osds are up and healthy. ceph-...
ony4869's user avatar
  • 33
0 votes
1 answer
780 views

Is there a way to access my OpenStack instance without floating IP?

It seems theoretically possible for me to ssh to my instance in OpenStack through credentials and instance id/network IP(Not floating IP) etc. Is it possible, am I missing something? Is it simply a ...
Vishwa Mithra Tatta's user avatar
1 vote
1 answer
364 views

How to use hosts with no storage disks and virtual machine instances with no local drive in Openstack

In Openstack, is it possible to create compute nodes with no hard drives and use PXE in order to boot the host's system and therefore launch instances with no local drive which is needed to boot the ...
Rafik's user avatar
  • 35
1 vote
1 answer
3k views

MySQL ERROR 1045 Access denied for 'nova'@'controller'

Description I installed Openstack Wallaby using OpenStack Installation Guide, all command and configuration is on my Github. This LAB is running on VirtualBox and I have another LAB with the same ...
Hojat Gazestani's user avatar
0 votes
1 answer
237 views

Can openstack compute be deployed as nested kvm VM for testing purpose?

Just for testing and learning purpose, can openstack compute nodes be deployed as VM with nested-kvm? I tried to do so with Train version of openstack, but I got this errors : 2021-08-17 14:48:51.039 ...
Wodel's user avatar
  • 71
0 votes
1 answer
250 views

How do I add floating IPs to my ansible Openstack deployment?

So, I successfully deployed openstack with two interfaces. One having an external IP (Which I use to connect to my openstack deployment) and another dummy interface with only an internal network IP (...
Vishwa Mithra's user avatar
0 votes
1 answer
670 views

How do you log in to an OpenStack VM during rescue operation?

I have a CentOS 8 VM with a corrupt filesystem and I want to recover data by rescuing it. I ran openstack server rescue --password somestring myserver. However, when I tried to log in to the VM by ...
shprogram's user avatar
1 vote
1 answer
576 views

Openstack only building one VM per machine in cluster, then runs out of resources

I am building an openstack cluster and am having some issues with what I think may be a quota problem. I can successfully build vms on every host, but only one vm per host. I deployed the system using ...
Jeff_M's user avatar
  • 13
0 votes
1 answer
1k views

Rebuild of volume-backed server

I create a volume then I use it to create server. I would like to rebuild this server such that its image is changed. When I call nova rebuild api with a new image, it is said: Image c1d9.... is ...
Bani's user avatar
  • 19
1 vote
0 answers
209 views

(Solved) How to setup aodh and heat to auto scale in openstack victoria based on cpu usage?

As the metric cpu_util is now deprecated, how can someone use heat to auto scale up and down using cpu usage of the instance? Any insight is appreciated. Edited: We used to have transformers that did ...
swogat pradhan's user avatar