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Questions tagged [openstack-nova]

Openstack's Compute is a component that can be used to host and manage systems

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177 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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1answer
31 views

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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0answers
29 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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1answer
121 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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60 views

Openstack Mitaka: Unable to Boot VM Instance - OSUtils Error

I installed Openstack Mitaka on a fresh Ubuntu 14.04 Trusty system. Trying to get an all-in-one cluster up and running. Everything seems to be up and running from the outside. I tried booting a ...
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2answers
867 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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1answer
30 views

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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27 views

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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1answer
77 views

Good approach for installing Openstack on Xen

I'm new to Openstack and I've one physical server with Xen installed on it .. My idea is : I want to use openstack in order to create compute instances on my server (Xen) but actually i'm not sure ...
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1answer
41 views

kolla-build Error installing fluent-plugin-rewrite-tag-filter serverengine requires Ruby version >= 2.1.0

I am using kolla/kolla-ansible 5.0.0 and I just built all the container images and pushed them to my local docker registry. There is one image that kolla fails to build which is the fluentd image. ...
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957 views

Why does “Watchdog: BUG: Soft lockup CPU” errors occur when running openstack containers in docker

I just deployed openstack using kolla and kolla-ansible stable/pike version. I deployed on one control node and one compute node. Both nodes are Dell PowerEdge 2950 servers that are running Centos 7. ...
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2answers
2k views

Cloud-init not finding metadata server (Openstack)

I am trying to understand why my server is failing to connect to the metadata server (and thus not able to log in with the SSH key). Similar problems online seem to be caused by Security Group ...
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1answer
288 views

How to connect to OpenStack instance (Ubuntu LXD Single Machine setup with conjure-up)

I installed Openstack on a single machine on Ubuntu 16.04 following the instructions from https://www.ubuntu.com/download/cloud/try-openstack. I found the LXD IP for Horizon and I'm able to create ...
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1answer
92 views

Does Open-stack supports heterogeneous servers as infrastructure

My company uses Apache cloud stack, but we are planing on upgrading our on premise cluster, and change our IAAS from Cloud-Stack to Open-stack my question is, can we use different servers generations, ...
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0answers
50 views

Bootstraping Openstack instances using sql injection?

I have been tasked with migrating multiple VMware virtual machines to Openstack without rebooting them. We currently use the VMwareVCDriver to allow Openstack to manage the virtual machines. The ...
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1answer
43 views

openstack: where does nova keep guest devices information in database?

This is openstack specific question. I am using openstack of Juno version. I have kvm/qemu hypervisors with libvirt. I want to know where nova stores information related to my virtual instance's ...
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93 views

Openstack nova-api - HTTP exception thrown: Hypervisor with ID '1' could not be found for removed compute/hypervisor

Hypervisor with ID 1 was removed but getting exceptions nova-api.log: 2017-01-09 19:27:21.067 43051 INFO nova.api.openstack.wsgi [req-27e511e0-cb85-4794-8f11-c00cec17717c ...
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1answer
2k views

instance fails with glance connection error

I am setting up the example architecture from http://docs.openstack.org/newton/install-guide-rdo/ I am at chapter Launch instance When I launch the the instance I get following error message ...
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428 views

Why on network node not create tap* interface when created instance?

OS RHEL 7.2, openstack release - kilo. I have 4 node: controller, network, compute and block storage. I have some problem. When I create instance on Horizon, he get IP, but in network node not create ...
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1answer
1k views

openstack: can't launch instance, multiple errors

I'm working with Openstack Mitaka, at the point to try launch an instance. When creating the instance it hangs in ERROR-state , just after built. I collected the errors from the logs, but so far I ...
1
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1answer
54 views

Controlling access to VMware vCloud and OpenStack Nova Compute VMs using LDAP

We are thinking of using LDAP based Identity and Access Management setup with VMware vCloud and OpenStack Nova Compute VMs. VMware vCloud and OpenStack Nova Compute VMs are self-serve in that the end-...
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35 views

Visibility of VM in DevStack

I just configured my DevStack environment on a VM with IP 192.168.249.1. I would like that instance to generate VMs that are reachable within my private company network. Thus, I configured DevStack to ...
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1answer
30 views

Where to find list of deprecated settings for nova? Juno

Here is the scheduler_default_filters setting I am using my /etc/nova/nova.conf. I think some of these settings are obsolete/deprecated in Juno ... scheduler_default_filters = ...
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1answer
458 views

OpenStack Juno Live-Migration never completes for instances with high load and size >64GB

I have run into situations where live migrations never seem to complete or error out. Here is how I have been able to reproduce the problem. Here is the instance I am migrating: [root@osc1-mgmt-001 ...
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555 views

OpenStack Mitaka - Instances have no net connectivity

I've followed the Mitaka setup guide for my first OpenStack cloud. This all went ok (2nd time around!), however i'm now having issues with networking. The instance launches ok, and it's assigned an ...
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1answer
8k views

Openstack: What the difference between nova migrate and nova evacuate?

On liberty, I've been searching for a way to "empty" a hypervisor from all its VMs. At the nova client docs, I've found the following commands related to this: nova evacuate : Evacuate server from ...
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2answers
370 views

OpenStack Juno: Is it possible to keep instance on same compute host after resizing?

I have OpenStack Juno setup with 1 controller and 3 compute nodes. I have enabled password less authentication between compute nodes for re-sizing to work. Instance re-sizing is working fine up till ...
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2answers
116 views

Alternative ways to detect hung OpenStack/Linux services?

I have noticed on some of my linux servers that a linux service will be hung. The only way I know that it is hung is operations that rely on the service fails and when I restart the service it fails ...
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1answer
1k views

Nova network DHCP not releasing ip with force_dhcp_release=True

The problem I am seeing is that when nova-network calls dhcprelease upon instance termination (due to forcedhcp_release=True) the address is not always released(syslog are not showing DHCPRELEASE ...
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0answers
262 views

Doubts about OpenStack nova and swap files

I have some doubts about the qcow2 swap files created by nova when launching instances. I've launched two instances with respectively 1G and 8G of swap memory. So, I verified that four disks where ...
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1answer
155 views

Openstack Nova Compute cluster [duplicate]

how to glue multiple CPUs together, I mean How openstack achieves it. What do they really mean when they say create CPU cluster using Openstack Nova. Openstack is written in Python, Any example ( ...
4
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1answer
165 views

Is it possible to monitor how OpenStack is allocating virtual infrastructure on a physical one?

I've been wondering whether there's a tool for monitoring how OpenStack is using physical resources (cluster [cpus, ram], network [interfaces, switches]) for its virtual infrastructures? The virtual ...
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2answers
590 views

Virtualization limits for Ubuntu Server 14.04 LTS with KVM?

Essentially I'm after something like this: Virtualization limits for Red Hat Enterprise Linux with KVM but for Ubuntu Server 14.04 LTS. I'm trying to create some KVM guests with very large 1TB+ RAM ...
2
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3answers
12k views

Error on nova-compute strart - libvirt: Failed to connect socket to '/var/run/libvirt/libvirt-sock': No such file or directory

Any attempt to start nova compute services fails with the error HypervisorUnavailable: Connection to the hypervisor is broken on host: The trace log is the following (taken from /var/log/nova/nova-...
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1answer
141 views

nova volume-detach fails silently, compute log shows libvirtError: invalid argument: no target device vdb

Using Openstack Havana, I'm trying to detach a cinder volume from a nova instance. Nova volume-list shows it as in-use: | 34b0ea26-f85c-4b62-8ebd-884b0e63e2d5 | in-use | filestore | 256 | None| ...
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1answer
35 views

Nova CLI yields zero output on stderr and stdout

following problem. I got this shell script: #!/bin/sh # Provide log for debugging if [ ! -f /home/some-user/port-control.log ]; then touch /home/some-user/port-control.log chown some-user /home/...
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0answers
145 views

Is it possible to manage group of vms in openstack as a single instance?

I am reviewing openstack technology as a possible solution for creating sandboxes. What I am going to do is to create instances that contains several vms connected within virtual network. There will ...
2
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2answers
5k views

Default SSH credentials for CoreOS?

I am trying to play around with CoreOS, and I just went to their ISO download site and downloaded the latest stable ISO. I then created a new VM instance with that ISO, and it looks like the instance ...
2
votes
1answer
3k views

Cloud-init unable to retrieve metadata

I set up OpenStack with Puppet, and it's working great for the most part, but I've come across a rather pernicious issue: my Ubuntu guests (and likely others) are unable to retrieve metadata during ...
1
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0answers
2k views

How to source admin credentials to gain access to admin-only CLI commands in Openstack's Nova?

According to this documentation the admin credentials need to be sourced as follows: [vagrant@localhost ~]$ source admin-openrc.sh -bash: admin-openrc.sh: No such file or directory The suspicion is ...
4
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3answers
4k views

Openstack: Is it possible to migrate an instance from a dead compute server to a live one?

I've got a cluster with 84 Openstack Essex compute nodes, one of which decided to pine for the fjords about 2 hours ago, with 8 running instances on it. The instances are all running off qcow2 disks ...