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.
372
questions with no upvoted or accepted answers
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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
205
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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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4
votes
1
answer
422
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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
1
answer
622
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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 ...
4
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0
answers
397
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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
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460
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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
1k
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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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3
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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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3
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0
answers
955
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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
844
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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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answers
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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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222
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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
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0
answers
994
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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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3
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685
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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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59
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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 ...
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2
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answers
116
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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 ...
2
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876
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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
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answers
51
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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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2
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answers
465
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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 ...
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2
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1
answer
1k
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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
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0
answers
2k
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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
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0
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441
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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
5k
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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 ...
Uwe
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0
answers
8k
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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
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333
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
2
votes
1
answer
367
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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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1k
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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 ...
2
votes
0
answers
3k
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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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188
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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
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0
answers
1k
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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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2
votes
1
answer
692
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
190
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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
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0
answers
222
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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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520
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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
39
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 ...
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1
vote
1
answer
43
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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 ...
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1
vote
1
answer
679
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 ...
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1
vote
0
answers
213
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 ...
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1
vote
0
answers
240
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 ...
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1
vote
1
answer
894
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': ...
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1
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0
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356
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 ...
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1
vote
0
answers
103
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 ...
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1
vote
0
answers
78
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 ...
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1
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115
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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 ...
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1
vote
0
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234
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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 ...
1
vote
1
answer
284
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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
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1
answer
544
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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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2
answers
2k
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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
295
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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
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3k
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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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