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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 ...
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4 votes
0 answers
178 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 ...
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4 votes
1 answer
377 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 ...
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4 votes
3 answers
14k views

Promiscuous mode in KVM

I have cloud system based on Openstack Icehouse-version. Now I want to test newer version of Openstack (Juno) inside my existing cloud. All hosts and guests use Ubuntu 14.04 as their OS. KVM is ...
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4 votes
1 answer
620 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 ...
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4 votes
0 answers
376 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 ...
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3 votes
0 answers
105 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-...
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3 votes
0 answers
319 views

How to provision baremetal kuberenetes cluster using 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 ...
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3 votes
0 answers
6k 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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  • 157
3 votes
0 answers
846 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....
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3 votes
1 answer
676 views

How cleanup openstack orphan stuff and manage trash?

We start use Openstack some months ago, and realize that delete projects does not delete project content! we periodically create projects for users groups and delete when are not needed anymore, but ...
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3 votes
0 answers
861 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 ...
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3 votes
0 answers
206 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 ...
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3 votes
0 answers
933 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 ...
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2 votes
0 answers
68 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 ...
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2 votes
0 answers
301 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....
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2 votes
0 answers
25 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 ...
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  • 21
2 votes
1 answer
818 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 ...
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2 votes
0 answers
913 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 ...
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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 ...
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2 votes
0 answers
255 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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2 votes
3 answers
4k 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 ...
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2 votes
0 answers
7k 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 ...
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2 votes
0 answers
258 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
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2 votes
1 answer
301 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 ...
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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 ...
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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 ...
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2 votes
0 answers
187 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 ...
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2 votes
0 answers
926 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 ...
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  • 40.3k
2 votes
1 answer
617 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 ...
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2 votes
1 answer
181 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 ...
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2 votes
0 answers
625 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 ...
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2 votes
0 answers
215 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 ...
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2 votes
0 answers
509 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="...
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1 vote
0 answers
97 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 ...
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1 vote
0 answers
56 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 ...
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1 vote
1 answer
147 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 ...
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1 vote
1 answer
367 views

OpenStack node not booting after forced shutdown, ubuntu--vg-ubuntu--lv does not exist

After forcibly rebooting my OpenStack compute & block storage node, it no longer boots; how can I fix this or recover its data? Gave up waiting for root file system device. common problems: -Boot ...
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1 vote
0 answers
93 views

While creating instances, Cloud-init stops before creating the SSH keys

We have OpenStack v2.3.1, Mitaka with KVM installed on our cluster. While creating instances, the VMs are created successfully every time. However, Cloud-init randomly stops before creating SSH keys ...
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1 vote
0 answers
1k views

Volume creation failure

I want to launch an instance from an image which size is 1TB in my openstack pike environment which uses cinder with ceph as storage backend. The volume creation process for that instance fails with ...
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1 vote
0 answers
100 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 ...
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1 vote
0 answers
21 views

Why don't identity providers have separate IDs and Names in Openstack?

I think most of the things have a separate ID and a separate Name in Openstack (Users, Projects, virtual machines, etc). Why don't identity providers have separate IDs and Names? Are there other ...
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1 vote
0 answers
25 views

External loadbalancer for docker swarm in Openstack Magnum

Does anybody know how to configure an external loadbalancer for docker swarm nodes in openstack magnum? Or is it possible?
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1 vote
0 answers
213 views

Cannot create an instance due to failed binding

I'm deploying openstack on 3 nodes (controller, compute and block storage). Each of my nodes have 2 attachements eno1 on the management network and eno2 on a provider network (192.168.3.0/24). I'm ...
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  • 11
1 vote
0 answers
37 views

Openstack Swift fallocate_reserve option not working

I'm using fallocate_reserve = 5368709120 as an option in account, container and object confs, to make sure 5G reserve space remains on the disks and the the disks does not get filled up. However, ...
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1 vote
0 answers
27 views

Openstack VPNaaS tunnel sharing option

I am currently configuring a VPN using the VPNaaS of neutron. We are setting an IPSec tunnel with an external partner. The communication is established, but he ask me what type of tunnel sharing we ...
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1 vote
0 answers
587 views

Openstack instance lost internet access after ataching floating ip

Maybe someone has same problem I have installed Openstack Victoria on two virtualmachines (1 controller node, 1 compute node) running ubuntu 20.04. Each node has two network interfaces, mgmt network ...
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  • 11
1 vote
0 answers
58 views

item not found in create server console

I would like to create server console. It has the below error. {"itemNotFound":{"code":404,"message":"The resource could not be found."} I send request to :...
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  • 19
1 vote
1 answer
183 views

LUKS encryption for mounted disk - how to decrypt cinder volume

I have a question about the possible decryption of LUKS volume. I'm testing currently barbican+cinder, but I'm just wondering if there is a way, to somehow decrypt my LUKS volume with payload ...
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1 vote
0 answers
92 views

How to reserve host cpu for non-uniformal openstack deployment?

I'm using tripleo to deploy openstack 16, which supports NovaReservedHostMemory to reserve memory by role, it's also said that NovaComputeCpuSharedSet and NovaComputeCpuDedicatedSet can be used to set ...
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