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Questions tagged [openstack-nova]

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

106 questions
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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 VMs that was running. The following is the output…
Ramy Fouad
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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. The compute node has nested virtualization enabled…
geo_pap
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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 debian cloud image, however starting a Windows 10…
Evgeniy Berezovsky
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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 check the disk with mini tool partition wizard…
Aref
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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 it like in other hypervisors it works fine…
user956952
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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) instance_2 --> compute_node_2 (Always on this…
Milad Jahandideh
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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 looked into mariadb.log file and it…
aneela
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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 first diagnosis, it appears that there's a…
Hexomédia
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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 can i get the better iops while using…
keerthivasan
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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 feature not yet supported?
Vishwa Mithra Tatta
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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 10 WARNING nova.scheduler.client.report…
Wodel
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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 (No connection to the net). I have bought more IPs…
Vishwa Mithra
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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 providing the somestring password, I can't log in…
shprogram
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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 unacceptable: Unable to rebuild with a different…
Bani
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OpenStack Slowness on Centos Stream

I just deployed a new cluster of Openstack Victoria using PackStack on Centos Stream, same hardware but for some reason this new cluster runs terribly slow, from the dashboard to the actual instances (VM's) processing. Are there any possible causes…
schap
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