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Questions tagged [openstack]

OpenStack (http://openstack.org) 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.

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Create an instance on a particular volume type in OpenStack

I'm not able to figure out, how to easily boot new instance while creating new Cinder volume from Glance image on particular volume type. I know I can create cinder volume with specific volume type ...
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Change OpenStack controller public name

Currently all my OpenStack services know the controller as controller (its hostname actually). But I wanna expose my OpenStack deployment to the public so I have to replace it with controller's valid ...
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Magnum cluster with bare-metal flavour for nodes and VM-flavour for master

According to https://docs.openstack.org/magnum/pike/user/#infrastructure The servers host the containers in the cluster and these servers can be VM or bare metal. When creating a cluster with ...
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Providing IP to VMs in Openstack

This could be a silly question, but I didnt get an accurate answer. So, my question is how to assign public IP address to a VM in Openstack? I need to know end to end process for the same. Let's say I ...
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Allow virtual instances on openstack behind an pfsense firewall

I have OpenStack Queens deployed using Packstack on CentOS 7. My network has a pfSense firewall. I launched an instance and associated a floating IP to i. But when i try to ping it, it shows "...
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nova conductor and scheduler not starting

Another question which I think is related to my previous question: When I do: nova service-list nova-conductor and scheduler seems to be enabled, but status is down. How can I start these services.?...
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Openstack Error: No valid host was found. There are not enough hosts available

As a purpose of testing, I am trying to spin up instances of large size, I mean of 8 vCPU's and greater than 20 GB memory, with 50 GB storage. Physical host has 48 GB RAM and 16 CPU. But everytime ...
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Using a Windows Authentication protocol on a remote site without local domain services

The scenario is domain-A is a Windows domain with hybrid AD services, including on prem AD, ADFS and Azure AD with the possibility of adding Azure AD domain services. Domain-B has no Windows domain ...
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611 views

OpenStack Hyper-V vSwitch not being selected

I'm updating this, as the original did not get much support. And, I'm not seeing that error anymore since restarting with a fresh install using packstack. To help try to "help you, help me." I am ...
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Routing Destination to Null0 in Openstack Environment

I runnning openstack, and recently found that some of my VMs are attacking to some external IP addresses(3 IP Addresses which belongs to China). i have blocked the destination on my router, and ...
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1answer
30 views

No traffic arrives via openstack floating IP and pacemaker/corosync

I am following the steps from https://fuga.cloud/academy/tutorials/ha-vip-with-corosync-on-openstack/. I am missing a reason why traffic going into the external floating IP is not arriving correctly ...
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Not able to connect provider (physical) network

Background: I have an OpenStack installation (rocky release). The configurations made are: One controller node One compute node Self service (networking option-2) Problem: When I create a private ...
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1answer
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Kolla OpenStack deployment fails with “haproxy : Waiting for virtual IP to appear”

I'm trying to deploy OpenStack Queens with kolla-ansible (7.0.0) on Ubuntu hosts, following the official guide. After successful bootstrap-servers and precheck the deploy command fails: RUNNING ...
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1answer
33 views

How to configure iptables to pass data from net interface to bridge?

I am building an openstack all-in-one environment in a CentOS7.4 machine. For some reason I have only one network interface(eth0) and one ip address, so I created a linux bridge(br0), and forwarded ...
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536 views

Exhausted all hosts available for retrying build failures for instance

Trying to make a proof of concept cloud by following this guide https://www.rdoproject.org/install/packstack/ I managed to get OpenStack installed and I'm able to access the dashboard. When I go to ...
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Trying to Packstack. Don't have Extras

So I want to Pack-stack. Proof of concept cloud. Following this guide https://www.rdoproject.org/install/packstack/ Build for Centos 7. I have this. [root@tbgn ~]# cat /etc/redhat-release CentOS ...
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How are disk operations performed/cached on OpenStack compute VM that uses blockstorage as a disk?

I have a Centos VM running on Openstack compute and it's disk is block storage based. So when the VM reads or writes to disk, I'm guessing those operations are cached locally on the compute node ...
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Problems connecting to OpenStack-horizon

After installing OpenStack with LXD on GoogleCloud (Ubuntu 18.04) using conjure-up, I am unable to access horizon (via website). Per other people’s suggestions, I tried; ‘juju expose openstack-...
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Openstack Octavia LBAAS and Snort

I want to configure openstack Octavia LBAAS images (Amphoras) to spin up Snort instances on demand. Would that be a feasible use case for Octavia? Any pointers on how this could be configured? Thanks,...
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1answer
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openstack nova : How to set disk capacity for compute nodes?

When I go to create an instance with it fails because of disk capacity being insufficient. I see the following in the logs (on the previous successful allocation). u'DISK_GB': {u'used': 10, u'...
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57 views

openstack shared PCI between numa with SR-IOV

I'm building SR-IOV supported compute node on HP 360g8 hardware and i have Qlogic interface card, my compute node has 32 core & 32GB memory. Problem: when i launch vm-1 (with flavor 16 vCPU core)...
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openstack tls can I specify a certificate for each instance?

Openstack supports tls by adding config to vim /etc/libvirt/qemu.conf spice_listen="0.0.0.0" spice_tls=1 spice_tls_x509_cert_dir="/etc/pki/libvirt-spice" But the config is for all the instances. Can ...
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1answer
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Openstack VM (redhat as well) is sending strange DNS queries

I have some strange DNS queries and I cannot find why or which process is asking for something like that. Under strange I mean request for "-P". It seems, system has some kind of ghost "feature" ...
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1answer
94 views

Does VMware centralized supports image repository like OpenStack Glance?

Like OpenStack Glance or AWS AMI, Does VMware Vcenter provides any service for archiving the images.If not what's the recommend method in Vcentre/Esxi based Datacentre
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Erase GPU memory

We have Nvidia GPU cards that can be used by different users in an OpenStack environment. A first user creates a VM with access to a GPU card, then deletes the VM when done. Another user then creates ...
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Checking GPU firmware

In a solution of GPU in Cloud (with OpenStack) where the VMs can access the graphic cards via PCI-passthrough, we want to be sure no malicious person changed the firmware of the GPU from inside a VM. ...
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Which config affects keystone http route?

I manually installed openstack keystone and bootstrap with keystone-manage bootstrap --bootstrap-password 123456 \ --bootstrap-admin-url http://controller:5000/v3/ \ --bootstrap-internal-url http:...
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54 views

Changing boot order while using ipxe with nova

I am using ipxe to boot a VM with openstack Nova. Here is the answer link i have used to setup my boot process Does nova support pxe boot? I am using the answer by larsks to boot the VM using ipxe....
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29 views

openstack instance's image name lost after integration with ceph rbd

after integrated with ceph rbd,my openstack could not show "image name" of my instance, is there any option that controlling this feature?
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Why ceph isn't use all 1Gbit/s bandwith on interface of public network?

We have two networks in Ceph. Public network on 1Gbit/s and Cluster network on 10Gbit/s. But I don't see that clients use whole 1Gbit bandwith interface in OSD node. We use Ceph storage for OpenStack. ...
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282 views

How to get list of openstack Instances with Project name

My openstack setup is Mitaka version. I want to list all the Instances with Project Name. I tried with below command but it shows Tenant ID but not name. nova list --all-tenants
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OVH Public Cloud Storage & Duplicity

thanks for reading me ! I do daily backups of my OVH Public Cloud projects and other on OVH Swift/Openstack Public Cloud storages using Duplicity on Debian 8. Everything works fine except for the ...
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How to Access Openstack on my local mechine from External network?

I deployed a private cloud in openstack with the help of packstack,Everything is working fine,i can create new instances,Launch it,use it to install software from internet and delete it,All the set up ...
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1answer
277 views

Failed to bootstrap model, cannot start Juju bootstrap instance

I am currently following the guide from Openstack.org and have deployed the MAAS and Juju on 2 virtual machines (in VirtualBox). However, at the below step, I get the following error and I'm not sure ...
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107 views

Access RabbitMQ using floating IP associated with the VM

I have a virtual machine (VM) running on OpenStack, on which I installed OpenStack using Packstack. I associated a floating IP with that VM. In OpenStack, I configured the ingress access rules for ...
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100 views

Rename openstack hypervisor

Is there any way to rename a hypervisor? I’ve already created our environment but accidently I’ve used fqdn instead of short host name and our automation app cannot work with fqdn. I’ve read about ...
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199 views

Warnings and errors during successful openstack installation

These messages keep showing, I don't worry too much because I already had a successful installation in spite of them. But to be clear, it does fail once or twice before it succeeds. Command "python ...
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stable/queens branch successful install but iptables were “forgotten” after reboot

I installed openstack with the devstack repo following these steps at this link but I switched to the stable/queens branch before running the ./stack.sh script. Just like the question title states, ...
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OpenStack with esxi as a storage service, Glassfish inside?

I have a 2 esxi 5.5 and vCenter with openstack and many ISCSI servers, the main idea is to store user files. Users are using JEE WebApp or android app to store files, then a Rest WEBAPI to comminucate ...
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Configuration change of topology in OpenDaylight using POST is not working

I am a beginner at OpenDaylight. I have created a network topology and I am able to view it through Opendaylight. Next,I have installed Yangman. Using "GET", I am able to view the configuration of ...
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1answer
379 views

Openshift baremetal install vs cloud (Openstack IaaS) and node count

We are looking at installing Openshift and have the choice of installing on baremetal (64 physical nodes) or Openstack (IaaS consisting of 64 physical nodes). We are trying to work out the advantages ...
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Can't launch instances on new Devstack installation

I just "successfully" installed Devstack on my Ubuntu Server 16.04 LTS. I can connect to the Horizon Dashboard without problems but when i try to launch an instance i get errors. If it try run a ...
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Openstack - All machines are down and all agents are lost

I installed Openstack on a single-node with Ubuntu Server 16.04 and untill yesterday everything worked fine. Today I started my server and noticed i couldn't load the Horizon page on my browser. So I ...
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1answer
956 views

Openstack can't connect to instance via Horizon console

I installed Openstack on a machine with Ubuntu Server 16.04 and almost everything works fine, but when I try to connect to the Horizon console of the instance I get the error: Unable to load console....
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2answers
1k views

Permission denied error when launching instance (“Could not open backing file”)

Working with OpenStack, installed from packages available on Debian testing (buster). When I try to launch an instance, it fails after building with this message in nova-compute.log: Could not open ...
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Terraform openstack provider fixed attribute length?

I have been receiving syntax errors using known working code when trying to use the openstack provider but in an environment that issues a very long Keystone token. >180 characters. With debug enabled ...
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1answer
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Does disk space required in compute node when launch instance from block storage?

Does disk space required in compute node when launch instance from block storage? My setup is like 1 controller, 3 compute(each 50GB disk) and 1 cinder storage.. I'm lunching instance from cinder ...
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Mirantis OpenStack all in one machine

We have a physical machine with excellent hardware spec. especially built for all in one scenarios. Now, I need to install Mirantis OpenStack 9.0 on that single server so all master and slave nodes ...
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Is Mirantis OpenStack free [duplicate]

I have been looking onto Mirantis website and others but could not figure out if Mirantis OpenStack is free to use or not. There are many links of web including this one https://ask.openstack.org/en/...
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Installing VirtualBMC for KVM Hypervisor Host

I'm trying to deploy TripleO OverCloud .. and i'm stuck with this step : http://tripleo.org/install/environments/baremetal.html My idea is : Currently i've one Hypervisor server KVM I created a ...