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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How to configure netflow on linux bridges(“docker0” Bridge)

I have Openstack setup which one of the compute node has docker and if I want to monitor the traffic, how to configure netflow on "docker0" bridge/Linux Bridge. I can see the bridge name and ID with ...
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8 views

OpenStack Swift: PID files don't correspond to running processes' PIDs; can't restart services - port already bound

I am running a Docker container with Swift ("Swift all-in-one") on a CentOS 7 host. I noticed that the PIDs in /var/run/swift/*.pid files differ from the actual PIDs running in the system: ...
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37 views

Internal Server Error (HTTP 500) when issuing an authentication token for OpenStack's demo user

Trying to install OpenStack on a VM (host Win10, guest UbuntuServer14.04.3) I'm following the installation guide (docs.openstack.org/liberty/install-guide-ubuntu). When trying to issue the ...
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28 views

Openstack on Ubuntu Server on Xenserver 6.5

I'm trying to install OpenStack on Ubuntu Server 14.04. Ubuntu server is a virtual machine on XenServer 6.5. When I try to install OpenStack: $ sudo openstack-install I get the following error ...
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Difference between cloud computing , grid computing and parallel computing [closed]

There are many definitions out there on the internet , but I am asking here , just because someone may answer it briefly from his/her practical experience with these technologies. How does cloud ...
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1answer
33 views

Duplicate host records in Foreman when VM is created by Foreman in OpenStack

I managed to connect Foreman and OpenStack, so that I can create VMs in OpenStack using Foreman web interface. I am using cloud-init, or how Foreman calls it, user data provisioning template in order ...
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23 views

Access service on subdomain in Kubernetes

I have following setup: Private OpenStack Cloud - o̲n̲l̲y̲ Web UI (Horizon) is accessible (API is restricted but maybe I could get access) I have used CoreOS with a setup of ...
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9 views

Error create VM in Glance in centos-7

I'm facing an issue while installing a VM in Glance-Openstack. Here it is [root@parkst ~(keystone)]# virt-install \ --name centos7 \ --ram 2048 \ --disk path=/var/kvm/images/centos7.img,format=qcow2 ...
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26 views

Authentication error in openStack's Horizon dashboard

I'm trying to setup an openStack controller from a VirtualBox VM. My VirtualBox host is Windows 10 and the guest is Ubuntu Server 14. The guest should (someday) function as an openStack controller, ...
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19 views

Connect Open vSwitch to interface in a VM OpenStack

I have single VM in OpenStack, with a single interface eth0. I want that all the traffic that goes in and out is passed trough a Open vSwitch (where I will have some flow rules). I did the following: ...
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46 views

Soft Lockup - CPU Stuck qemu-system-x86

I have a system running: * openstack icehouse * Linux 3.13.0-48-generic #80-Ubuntu SMP Thu Mar 12 11:16:15 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux(Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16) Suddenly ...
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1answer
51 views

OpenStack: Create multiple instances using Horizon?

I have been reading up on deploying an OpenStack cluster in order to create a large number of instances. I haven't been able to find a script/blog/template guide on how to spin up 100+ instances at ...
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1answer
39 views

Can't install openstack kilo, stuck on keystone installation

I'm following this guide to install a testing instance of OpenStack Kilo with a very basic environment in a VirtualBox machine running Ubuntu server 14.04 x64. I've managed to get to the point where ...
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108 views

(centOS) cloud-init not pulling ssh

Trying to build CentOS 6 qcow2 image with OpenStack guide[http://docs.openstack.org/image-guide/content/centos-image.html]. I'm using "cloud-init" instead of the "/etc/rc.d/rc.local" script but I ...
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2answers
42 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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11 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
97 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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74 views

In OpenStack dashboard, I cannot create new images

I cannot create an image using the dashboard, but I can delete images using the dashboard. I can create new images using Glance from the command line. But in Horizon, as soon as I click the "Create ...
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1answer
27 views

Trouble accessing VM console OpenStack Juno

I have set up a Juno deployment of OpenStack. I can launch my cirros image: [root@ost-mgmt-el7-001 ~]# nova list +-----------+----------+--------+------------+-------------+------------------------+ ...
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89 views

Openstack - neutron l3 agent - RNETLINK: network is unrecheable

I have Openstack deployed on a single dedicat server. When I try to lunch neutron l3 agent, it will fails with the following message: 2015-09-28 09:58:40.780 29841 ERROR neutron.agent.l3.agent [-] ...
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81 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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2answers
314 views

What is reasonable storage failover time that most OS (VM) can tolerate?

I have a GlusterFS 2 node 2 replica setup. I am planning to use it as OpenStack instance store, in which the VM disk image is stored. From my tests, if the GlusterFS node which the hypervisor ...
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0answers
53 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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58 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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68 views

Connecting tenants of two OpenStack servers using Openvpn is not working

I have two openstack servers in the same network: OpenStack server 1 having the IP: 192.168.25.9 OpenStack server 2 having the IP: 192.168.25.13 I have a tenant in each OpenStack server and I am ...
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107 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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58 views

openstack installation on vmware

I've successfully installed OpenStack on a virtual machine Ubuntu 14 desktop on vmware workstation and there are 2 different installation methods; cloning the repository or using sudo apt-get ...
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33 views

floating IPs NAT OpenStack

I can assign a floating IP to to an Instance and ping it from the external network. However, the instance can not ping any thing but the gateway and the compute node. Am i missing a NAT ? ...
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53 views

Error deploying VMware Integrated Openstack OVF on vCenter 6

I'm trying to deploy an OVF from VMware Integrated Openstack at my vCenter 6, but now it was showing an "Operation time out" message. Before, it was showing the message "the operation is not allowed ...
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1answer
325 views

Error while installing openstack via openstack-packstack

I have followed https://www.rdoproject.org/Quickstart to install openstack in a CentOS virtualbox. I got the following error output while running sudo yum install -y openstack-packstack Loaded ...
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97 views

Understanding OpenStack Neutron's OpenFlow utilization using OpenVSwitch and ML2

I have successfully set up a OpenStack environment using the OpenStack Installation Guide[1]. I'm now trying to wrap my head around whether and how this standard OpenStack installation using Neutron, ...
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51 views

Openstack - Restrict user access to Regions Or Zones

We are going to upgrade our OpenStack by adding a bunch of new compute nodes. These nodes sole purpose is to host 'tiny' instances for users to run some small-scale experiments or to test stuff. Those ...
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73 views

What is the best way to connect SAN to OpenStack servers?

There is a OpenStack setup with controller, network and two computing nodes (it will be expanded in future). We plan to deploy Ubuntu on all servers. Also we need a storage subsystem for archiving ...
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43 views

Maximum Network throughput for SWIFT storage

I have a SWIFT cluster deployed as part of Openstack which is currently giving me a max throughput of 95 MBS(Megabytes per second). There are 6 proxy servers and 6 storage nodes with replication ...
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1answer
373 views

OpenStack Keystone port 5000 used by Python

I'm following official OpenStack documentation to build my first environment and got stuck in configuring Keystone (last step from ...
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81 views

keystone error — token-list works but not user-list , tenant-list

I am following the link on docs.openstack.org to install openstack step by step - so started with keystone - followed the steps but seems like only token-get is working when I specify ...
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77 views

luanch cloud-init with local cloud-config

I need configure cloud-init like that it can read cloud-config from file system plus per-once for instance. Also it must works after init-stage, because user-data sensitive to hostname. As suppose i ...
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59 views

s3ql mount seems disconnected

I'm trying to mount a runabove object storage, witch is based on openstack-swift, into my file system, thanks to S3QL. I'm using Ubuntu server 14.04 LTS. So I've mounted my object storage with: $ ...
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37 views

Can I install openstack shared services on a compute node?

I am currently evaluating Openstack as an alternative to VMWare for our company. I would like to install Openstack on a Dell FX2 chassis with three physical servers in it. I was wondering if it was ...
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1answer
89 views

Best practices for scaling and capacity planning : VM only ? VM+Container ? Container only ? Cluster ? Something else?

(I can't find a similar question which has been already answered but maybe I do not use the good words as I'm a french student ;)) The closest answer to what I'm looking for is : Scalable Web ...
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244 views

Can not ssh to openstack instance using floating Ip address?

I've setup openstack using http://docs.openstack.org/developer/devstack/guides/single-machine.html machine has single Ethernet Port Eth0 With ip address 192.168.1.22 and i've created instance which ...
0
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1answer
98 views

install openstack in rhel 7 without subscribe to RHN [duplicate]

my question is is it possible to install openstack on rhel7 without subscribing to the Redhat network? I'm receiving an error of a missing dependency on phython-greenlet and so far the only solution ...
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1answer
516 views

VMware ESXi 6.0 and Openstack

I have a private cloud of Openstack running KVM compute. I'm looking to add other hypervisors into the Openstack private cloud as well. Namely, vmware and hyper-V. I know VMware has been researching ...
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0answers
50 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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56 views

Openstack Icehouse - Hypervisor (KVM) cpu_mode config

I have installed Openstack Icehouse, using the guide located here, and I am trying to find out what 'cpu' is exposed through the hypervisor to a VM. I have found this guide in order to configure the ...
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1answer
48 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 ( ...
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1answer
78 views

Snapshot failing in a fresh Kilo install

I have a fresh OpenStack Kilo installation. When I try to create a snapshot from the dashboard or from the nova cli, the snapshot isn't being created. The local snapshot ends with success, but nova ...
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1answer
30 views

Where the openstack machine images are stored?

In Openstack cloud whether the machine images are stored inside the database as a blob object or in filesystems? And if images are getting stored in filesystem then which service take care of it, is ...
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1answer
100 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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42 views

Does it make sense to define a VNC server in an OpenStack controller node?

I have some doubts about the vncserver_listen and the vncserver_proxyclient_address options in the nova.conf config file. In the OpenStack install guide, the session Chapter 5. Add the Compute ...