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Questions tagged [openstack]

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.

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Syncing / backup from S3 buckets to openstack swift containers

I need to backup/sync few hundred GB of files in S3 buckets to openstack swift containers. I have thousands of files in several S3 buckets I want to copy/sync over openstack swift containers but I ...
ict4ngo's user avatar
  • 51
4 votes
0 answers
222 views

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 ...
J. Chorin's user avatar
4 votes
1 answer
438 views

Windows port forwarding, local machine to server

I'm working on Windows 8. I'm trying to connect to an OpenStack cloud which is hosted on a remote server but has a public IP to the API. However, making API calls require calls to additional services ...
little.toblerone's user avatar
4 votes
1 answer
625 views

Automating Configuration of VMware's vSwitch (OpenStack/libvirt/Nova)

There's a lot of talk now about VMware integrating with OpenStack now. I've noticed that Nova network service is working with VMware's standard and vDS. Deploying a full OpenStack instance is not ...
cheesesticksricepuck's user avatar
4 votes
0 answers
399 views

Mounting whole-disk filesystems in Windows 2008?

I am booting a Windows instance in an OpenStack environment. OpenStack can use a "configuration drive" to pass information into the instance. This drive is formatted as a whole-disk MS-DOS ...
larsks's user avatar
  • 45.3k
3 votes
0 answers
755 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
3 votes
0 answers
1k views

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 ...
serverstackqns's user avatar
3 votes
0 answers
7k 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 ...
sfxworks's user avatar
  • 157
3 votes
0 answers
1k views

OpenVSwitch with Libvirt

Here's my situation: I'm running CentOS 7 with Openvswitch and Libvirt/Qemu. My domains are configured to use the virtualport type openvswitch, so when I start a VM it creates a port in the ovs bridge....
user165222's user avatar
3 votes
0 answers
916 views

How to restore a guest Windows 2012 R2 VM installation/backup from VMWare to OpenStack?

I have a VMWare VM with Windows 2012 R2 installed in DC#1. The machine has terminal services set up with user accounts and permissions, lots of software installed and bunch of things configured that ...
Mihail Russu's user avatar
3 votes
0 answers
260 views

Creating an Openstack user with only reboot permissions

What is the best approach for setting up an Openstack user that is limited to only rebooting servers using the Web API. The user needs to be able to access servers under different tenants, by using ...
eandersson's user avatar
3 votes
0 answers
1k views

Openstack seems to not map internal IPs to local network properly

I have a very confusing issue which I can't seem to resolve. I followed a guide by Loic Dachary on installing Openstack Folsom on Wheezy, and deployed it on two hosts: a cluster node, and my ...
user991710's user avatar
3 votes
0 answers
713 views

NGINX and OpenStack Horizon?

I recently update our web infrastructure to use NGINX instead of our Apache servers. Now, I'm also operating an OpenStack Infrastructure and I was wondering if there is a state of the art way to ...
Dr I's user avatar
  • 975
2 votes
0 answers
82 views

Which OpenStack version numbers correspond with which version names?

If I run the following command: openstack --version On a controller node and get back a numeric version number, how do I determine from here: https://releases.openstack.org/ which release the version ...
cat pants's user avatar
  • 2,303
2 votes
0 answers
165 views

CEPH/ RGW encryption with mutliple tenants

I'm currently planning a small OpenStack deployment and I want to use Ceph for object storage (via Rados Gateway) and block storage. Ceph supports multitenancy. It also supports encryption using key ...
Frederic Schönberger's user avatar
2 votes
0 answers
1k views

Openstack: VM disk I/O Tunning

In OpenStack, I am facing I/O performance issues. I am using virtio-scsi driver support in the quest. Currently, I am getting below mentioned performance. WRITE: bw=37.2MiB/s (39.1MB/s), 37.2MiB/s-37....
gautam's user avatar
  • 21
2 votes
0 answers
63 views

Openstack SelfService network with IPV6 subnet from provider network

I am installing an openstack infrastructure but i have an issue with the selfservice networks and the ipv6 On my provider network i have the fddd:3138:5d15:18::/64 subnet which is my local server ...
makz's user avatar
  • 21
2 votes
0 answers
553 views

How to provision a baremetal kubernetes cluster using a magnum with only one vlan?

There does not seem to be a guide that follows through on how to deploy a baremetal Kubernetes cluster using magnum. I got to the point of having the baremetal servers turn on and initiate the pxe ...
John Karasev's user avatar
2 votes
1 answer
2k views

Login to Openstack Horizon Failed

I setup Openstack Horizon using the official Guide https://docs.openstack.org/horizon/ussuri/install/install-ubuntu.html But now I can not login. I checked the credentials with the CLI client and they ...
loewexy's user avatar
  • 33
2 votes
0 answers
2k 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 ...
John C's user avatar
  • 99
2 votes
0 answers
480 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....
The_Lost_Avatar's user avatar
2 votes
3 answers
5k views

OpenStack Horizon behind reverse proxy (nginx preferred)

Current situation: I have a Triple-O OpenStack installation (Liberty) where even the "public" network is in a private environment (10.24.7.0/24 network). The only way to get access to that network is ...
user avatar
2 votes
0 answers
9k views

How to resolve UDP packets being dropped given netstat reporting SndbufErrors

I have a server instance on an OpenStack that at a pretty high load starts loosing UDP packets. I captured all outgoing packets using tcpdump and some of them are missing, even though application logs ...
eddyP23's user avatar
  • 243
2 votes
0 answers
392 views

noVNC console on Openstack Dashboard is rendering garbled UI on RHEL7

I am running nova-compute on RHEL7. Openstack dashboard's noVNC console is rendering garbled UI for any instance having a UI console. Can somebody please help out? This is working just fine on RHEL65
Abhishek Srivastava's user avatar
2 votes
1 answer
413 views

How can i set up Dynamic DNS updates for servers running on openstack with floating IPs?

I have an openstack deployment running in the company LAN. It's segregated internally into projects for the various departments with internal LANs for each project, and floating IP allocation is ...
V. Romanov's user avatar
  • 1,169
2 votes
0 answers
1k views

Multiple networks per interface in OpenStack in Hetzner

I'm trying to run a small OpenStack setup over a few servers hosted in hetzner.de, I'm currently deploying a basic setup to two servers. All servers are running Ubuntu, they are connected to each ...
Piotr Zduniak's user avatar
2 votes
0 answers
3k views

iscsi not working after host reboot

I have a host that is acting as both an iscsi initiator and target. It's an OpenStack box that acts as both the storage node (cinder) and also as a compute node. There is also another compute nodes on ...
Anonymouslemming's user avatar
2 votes
0 answers
188 views

Openstack Auto-Pilot - No Hardware Zones / Physical Zones Listed in Landsacape

Following the instructions available here I am at the final step of the landscape / autopilot install. The pre-configure checklist shows everything is good, but when I click configure there is no ...
Nicholas Curtis's user avatar
2 votes
0 answers
1k views

Are /dev/disk/by-id symlinks unreliable?

I am provisioning a Nova server and Cinder volumes using a Heat template. In order to identify the Cinder volumes attached to my OpenStack server I would like to use the /dev/disk/by-id/... symlinks ...
larsks's user avatar
  • 45.3k
2 votes
1 answer
730 views

Is the ethx mac address of a VM the same as the mac address of the corresponding tap interface?

I have a single node openstack install on an ubuntu machine. For some reason that I cannot figure out, the linuxbridge is dropping packets from this VM. My iptables seem to be fine (atleast as far as ...
NetCubist's user avatar
2 votes
1 answer
193 views

Openstack Single Physical Network

I am trying to deploy openstack grizzly on a 12 node cluster. I want to use the xen hypervisor. I currently have xenserver installed, and I have 3 virtual machines running Ubuntu 12.04 to use for the ...
user2730940's user avatar
2 votes
0 answers
226 views

Openstack with no fixed range

I test-drove various Openstack installations (devstack, offical guides and so on) on VM's and me&my devs love it, so we acquired the HW to set a small production cluster (3 IBM x3650, 4 ethernets ...
Alessandro Vozza's user avatar
2 votes
0 answers
524 views

How to create and import image into openstack?

I downloaded the image precise-server-cloudimg-amd64-disk1.img from http://uec-images.ubuntu.com/releases/precise/release/ , then I tried to import it into openstack using: glance -v add name="...
can.'s user avatar
  • 191
1 vote
0 answers
71 views

Openstack cloud host cannot be accessed on the vxlan network http://169.254.n.n, but external network can

I used OVS network and enabled BR. The specific command is ovs-vsctl add br br ens192 ovs-vsctl add port br ens192 ens192 Two networks were created in the dashboard. One is the vxlan network (...
user24543355's user avatar
1 vote
0 answers
158 views

Openstack Octavia Loadbalancer Security Group Support

We use openstack octavia loadbalancer on OpenStack Zed version. When I create loadbalancer, Octavia create 2 Amphora instance on service project and these amphora instances has two networks(lb ...
Kaptanoglu's user avatar
1 vote
0 answers
198 views

Multi-node OpenStack with iSCSI storage

I’m trying to deploy a multi-node OpenStack environment using Kolla, Ansible, and Ubuntu server. I successfully added a partition to my Cinder storage using iSCSI. But I can't configure OpenStack to ...
Sofien's user avatar
  • 11
1 vote
1 answer
321 views

If a heat stack goes into FAILED status, any solution to resume?

If a heat stack goes into FAILED status(it may be caused by "heat stack create" or "heat stack update"), is there any way to resume(continue from the failure step)? The only ...
兴华颖挚's user avatar
1 vote
1 answer
3k views

Kolla-Ansible deployment fails on Ubuntu 22.04 while "Waiting for nova-compute services to register themselves"

Problem Statement: Kolla Ansible installation fails on "deploy" play with the below errors ('Errors' Section). About the Deployment: Lab Openstack deployment using Kolla Ansible 1 ...
Abhijit Anand's user avatar
1 vote
1 answer
3k views

How to detach volume in server

Sorry my for my bad English! I want to separate the volume from the server. My server currently only has 1 volume, and it is the original volume. I have read the documentation of OpenStack api Block ...
unLimit's user avatar
  • 11
1 vote
1 answer
1k views

systemd-resolved.service not working in Ubuntu 22.04 LTS VM created in DevStack (OpenStack)

Recently I installed DevStack (OpenStack distro) on my servers. I uploaded there Ubuntu server 20.04 LTS cloud image as well as Ubuntu Server 22.04 LTS cloud image. The images came from https://cloud-...
Michal16511's user avatar
1 vote
0 answers
346 views

Can't ping Openstack guest VM from other machines in the provider network - are there FW rules lacking?

Can't ping Openstack guest VM from another machine in the provider network. I have a small setup of Openstack Zed on Ubuntu 22.04. A control host, a compute host and one host "external" in ...
pilog's user avatar
  • 11
1 vote
0 answers
355 views

kolla-ansible SSL certificate expired

My ssl certificate has expired in my openstack deployment and I can't login in and several services do not work well because of it. How can I remediate to this? I tried to find a way to disable the ...
Wodel's user avatar
  • 71
1 vote
1 answer
2k views

Openstack Cinder Unable to update attachment Invalid volume duplicate connectors detected on volume

Sometimes when Compute Server is rebooted suddenly or in another similar situation, we want to evacuate instances to another host we get this error from Cinder. Our Cinder's backed is Ceph {'code': ...
Milad Jahandideh's user avatar
1 vote
0 answers
458 views

Page not found (404) error. "The current path, dashboard/auth/login/, didn’t match any of these."

I'm attempting to get Devstack and Horizon working on Ubuntu 20.04. Devstack seems to install OK. I'm following the steps: All-In-One Single Machine, DevStack Networking, (Horizon) Quickstart, and ...
BurningKrome's user avatar
1 vote
0 answers
169 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
1 vote
0 answers
90 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
1 vote
0 answers
151 views

VPN Between OpenStack and AWS VPC

I have an OpenStack server with Vms. I have a number of instances in AWS. The VMs in both cases need to see each other. I could setup Tinc or OpenVPN on VMs but this seems prone to failure. I've ...
Brian Dunbar's user avatar
1 vote
0 answers
281 views

mariadb is not running after restart Openstack train

I have a OpenStack train deployment with a single controller node. disk went full I deleted the cinder-volumes loop file after reboot nothing is working because all the services are unable to connect ...
Muhammad Tahir Masood's user avatar
1 vote
1 answer
502 views

Limit user scope to a project in openstack

I have an openstack victoria cloud setup. I am using default policy of keystone and have not made any changes to that policy. I have created a test user names testuser in openstack. I assigned it ...
Shalabh Goel's user avatar
1 vote
2 answers
832 views

OpenStack Nova fails to connect to libvirt (not socket issue!)

We're trying to deploy OpenStack on hardened Debian-based Linux distro via Kolla-ansible and we seem to be almost done but facing the issue with the nova_compute container which complaints: 2021-09-12 ...
Alex Vrublevskiy's user avatar

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