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Questions tagged [openstack]

Only programming related questions!! OpenStack is a collection of open source projects that enables an open, scalable cloud infrastructure. The core of OpenStack is meant to provide consistent APIs and interfaces to a variety of potential back-ends.

OpenStack is a collection of open-source projects that enables an open, scalable cloud infrastructure. The core of OpenStack is meant to provide consistent APIs and interfaces to a variety of potential back-ends.

OpenStack supports , ,, , and hypervisors; , gluster, , and sheepdog for block storage as of the Essex (spring 2012) release. OpenStack is the API as well as a reference implementation, and is being actively packaged for multiple distributions. Nothing is proscribing OpenStack from also working on Windows, and there is an ongoing effort to bring the Microsoft supervisor into the list of supported hypervisors. OpenStack also supports an Amazon like object storage service called swift.

Tutorials

You may also want to use more specialized tags like , , , , , .

Keep in mind that StackOverflow usage is limited to programming subjects and if you have operational or usage questions, you should use sister site serverfault.com

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Openstack cinder volume resize does not reflect without a vm reboot

When I extend a cinder volume which is "in-use" state, the volume gets extended but when I see inside the vm it does not show the extension it still shows the same size. Only after a reboot the change shows inside the vm - windows disk…
Shrey Chauhan
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Openstack nova-compute service is not recognized as compute service in controller node (probably rabbitmq connection problem)

I was following the tutorials on Openstack docs website for a minimal deployment of the Stein release (I am installing it on Ubuntu 18.04 instances). I installed the nova services and made the required configuration. Then I reached this stage and…
Amirhossein Roudgar
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Openstack setup error (failed to create symbolic link '/var/run/ovn/openvswitch': File exists)

im working on a school project building an Openstack Cloud Computing and im following a guide video. The installation was smooth and then this error pops up: ln: failed to create symbolic link '/var/run/ovn/openvswitch': File…
Huỳnh Nam
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one node of rabbitmq cluster will consume large memory(until OOM) occasionally

Environment: Openstack Train, deploy by kolla-ansible RabbitMQ 3.7.10 on Erlang 20.2.2 three control nodes(also run other components) Problem: node-34 rabbitmq consume large memory(30G) during 04-20 16:31 to 04-20 16:46(restart the rabbitmq…
Victor Lee
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I can't connect watcher to openstack

I have the following scenario: server: Ubuntu 20.04.3 LTS openstack installed with devstack watcher 2.2.0 Every services seem to be working and i can see the watcher dashboard on localhost. But I think I have an auth problem between watcher and…
charles_GI
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Openstack Heat Template get_file reference to multiple files

Hi I am currently trying to get the Heat Template to reference to multiple files containing a configuration to be entered during the stack creation. The requirement came about as the main file was too huge for the system to process thus it was…
Specs
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Nova service fails after rebooting

Devstack installed on Virtualbox VM with Ubuntu 20.04 Succesfully created Cirros tiny VM. But after rebooting this 3 services are failed with similar errors: devstack@n-cond-cell1.service, devstack@n-sch.service,…
chart41
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how can I solve lxc container journal mount problem

I have lxc contariner with the line at its own config lxc.mount.entry = /var/log/journal/56abd83f52ed4b53b6bd4c41f3564179 var/log/journal/56abd83f52ed4b53b6bd4c41f3564179 none bind,create=dir 0 0 but they are not synced. the directory in hosts is…
Aref
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LDAP Parent Entry does not exist : Openstack OIDC

I am newbie to openstack and OIDC and creating a dummy OIDC Issuer for my instances, however during a task of Ensuring ou for users (I am following an official guide) I am getting an exception. My yml file is - name: Ensure ou for users …
aneela
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openstack cinder VolumeSizeExceedsAvailableQuota tips mismatch volume type

Create a volume will show the same error tips, no matter what --type option with. # openstack volume create --size 500 test_vol VolumeSizeExceedsAvailableQuota: Requested volume or snapshot exceeds allowed gigabytes quota. Requested 500G, quota is…
Victor Lee
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Private Cloud Stack without hardware virtualization

I want to set up a private Cloud for testing purposes, the problem is, I don't have the newest Hardware for this plan. Especially the most of my machines don't have hardware virtualization support. I tried the Ubuntu Enterprise Cloud, but the…
Daniel Spangenberg
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KYPO Deployment failure openstack retuning no valid host found

I have deployed devstack for my OpenStack using the default configuration and trying to deploy kypo. I am running ./create-base.sh and getting the following error [kypo-proxy-jump-stack]: CREATE_FAILED Resource CREATE failed: ResourceInError:…
Srivignesh Nagarajan
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Install-config.yaml - how to choose different machine type for master and worker nodes openshift cluster installation?

I am deploying openShift cluster (ocp) on openstack environment with 3 master and 3 worker node.For that I have generated the install-config.yaml file using "openshift-install" command. I want to use different flavour for master (m1.xlarge) and…
user3115222
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Openstack keystone token issue. Failed to discover available identity versions

Im attempting to setup keystone identity service on virtualized Ubuntu 20.4 via Windows Hyper-V on Windows 10. I followed the instructions on: https://docs.openstack.org/keystone/pike/install/index-ubuntu.html very carefully & attempted this 4 times…
cyber101
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Kolla Ansilble: Openstack Instances Unable to access Internet or eachother

I am a newbie to openstack (deployed using kolla-ansible) and have created two instances both are ubuntu 20.04 VMs. I am able to ping and ssh them from the host machine (192.168.211.133) and vice versa. However instances are unable to access…
aneela
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