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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Openstack Quantum cannot talk to RabbitMQ: Connection refused but log says unreachable?

I've got single-node Openstack Folsom deployment on a Debian 7.1 server. I've followed the Folsom guide so far and have got everything set up, but when I try to log in through the dashboard, I get the ...
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2answers
188 views

Deploying Openstack without internet access

I have about a dozen rather beefy machines on a separate network. This network is not (will not be, cannot be) connected to the internet. I'd like to deploy Openstack on them so that they can be used ...
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2answers
125 views

MySQL server on openstack

I want to set up a MySQL database that is easy to scale. Traditional, off-cloud scaling means (1) upgrading the hardware, (2) sharding, or (3) replicating. Option 1 is easy but is limited. Option 2 ...
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2answers
627 views

Issue with creating an Windows 2008 Virtualized image with qEmu

I'm trying to create a qemu image of a 64bit Windows 2008 Server install. It will be used on Openstack as an instance. The Virtualization environment [of qemu] is being run from a VMware virtual ...
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2answers
408 views

Packets only get forwarded when tcpdump running on bridge

I ran into the oddest thing when trying to debug a networking issue with OpenStack. I was doing a ping test between virtual machines. The ICMP request packets only made it to the destination host if I ...
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33 views

Sniffing one tunnel in an other tunnel

In OpenStack with Quantum you can create virtual networks via Open vSwitch and the GRE protocol. My question is: If i create two GRE based network in Quantum will I somehow be able to sniff network ...
2
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1answer
415 views

OpenStack, Windows 2012, DHCP and DNS

I'm trying to set up a Windows domain in virtual machines (VMs) instead inside of an OpenStack deployment. I've configured one of the VMs to be the domain controller (including DNS server), running ...
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133 views

How to make a small image from a running instance?

I would like to create a glance image from a running nova instance, and am able to do so with nova image-create instance-id new-image-name However, the created image is huge. It appears to be the ...
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2answers
197 views

How does OpenStack determine “Available Instances”, “Available vCPUs”, and “Available RAM”?

I have a new OpenStack installation on a Server with 8 cores and 16GB of RAM. How does OpenStack determine that I have 10 "Available Instances", 20 "Available vCPUs", and 51,200 MB of "Available ...
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181 views

OpenStack Server Instances have internet access, but they are unable to access the internal network

I'm running an OpenStack Grizzly release with a Nova-Network configuration. [No Quantium]. My network is setup as follows: OpenStack Box (10.10.13.xx network)->OpenStack Internal Network ...
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1answer
81 views

Add OpenStack Compute to existing Xen based server

I have an existing server running Cenos 6.x with Xen 4.x and a dozen or so virtual machines. I'm building out an OpenStack environment and was wondering if is possible to install OpenStack compute on ...
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1answer
491 views

SSH Keys Won't allow for me to log into a Ubuntu OpenStack image

I have an instance of the ubuntu image: precise-server-cloudimg-amd64-disk1.img. I can boot/launch the image from Nova. [Below is the image details] However, I am not able to log into the box with the ...
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3answers
930 views

Turn off strict checking of ssh keys

each user creates and destroys 15+ plus vm's per day. The vm's are created in the company's internal openstack cloud. Every time a new vm is assigned an ip address which has previously been handed ...
2
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1answer
468 views

Static IP Addresses and OpenStack

I'm working within an environment where static IP addresses are the prescribed method. I have a set of IP addresses [about 10] and I'm trying to get that to be the pool of IPs that OpenStack can use. ...
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1answer
206 views

Do I really need to use openstack? [closed]

There is a lot of hype on the Ubuntu website at the moment about openstack and I am planning to setup a few virtualised servers on Ubuntu anyway. My question is that I'm not sure if openstack would ...
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1answer
317 views

How does OpenStack's object storage (swift) know where to find objects?

I've been reading the architectural docs for swift (http://docs.openstack.org/developer/swift/overview_architecture.html). I half understand what 'rings' are for but I think I'm missing some details. ...
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0answers
419 views

Ghost “vlan 0” tags added to ethernet frames in CentOS guest under OpenStack

I'm trying to debug an issue involving a KVM virtual machine instance where the instance doesn't respond to network requests when the source is on another physical machine, which is on the same subnet ...
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1answer
431 views

OpenStack over NGINX+uWSGI

Following this not so popular question: OpenStack & NGINX+uWSGI I've start to build my dashboard node using well... NGINX and uWSGI of course, but I'm now facing a path problem. Indeed, uWSGI is ...
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1answer
2k views

Configuring trunk interface in Cisco 3750 switch to allow multiple Vlans connected with Ubuntu servers having a single NIC (sub-interfaced)

I have 3 Ubuntu servers (each having only 1 NIC) for my openstack cluster configuration following the guide of http://docwiki.cisco.com/wiki/Cisco_OpenStack_Edition:_Folsom_Manual_Install I also have ...
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1answer
1k views

OpenStack Dashboard (Horizon) Fails to Allow Log In

I cannot log in to the OpenStack Dashboard; attempting to do so results in a re-direct back to the log-in page. Entering the wrong details will throw an "incorrect user/pass" error; the correct ...
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1answer
985 views

Cannot connect to Openstack Instance via horizon, but SSH works?

I've got an OpenStack deployment running inside a VM for testing purposes. My setup is as follows: Host Ubuntu x64 with Virtualbox -> Guest Ubuntu x64 with OpenStack -> Ubuntu X64 Server Test ...
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0answers
303 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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1answer
66 views

How to apt-get install a package for Ubuntu Quantal from Ubuntu Precise 12.04

On Ubuntu Precise 12.04, the package osm2pgsql is currently at 0.70.5+r25090-2ubuntu2. However I need to install a newer version 0.80 but apt-get update does not provide the newer version. Question: ...
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1answer
2k views

DHCP reply packets do not make it into KVM instance in OpenStack

I'm running a KVM instance inside of OpenStack, and it isn't getting an IP address from the DHCP server. Using tcpdump, I can see the request and reply packets on vnet0 of the compute host: # ...
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1answer
460 views

Ping responses to floating IPs do not reach the router (iptables/nat)

I'm running OpenStack, and I'm having trouble accessing my instances from floating IPs, from anywhere except the network controller node. I've got a Folsom deployment with FlatDHCP, not running ...
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1answer
415 views

Can't connect to instance via floating IPs, not natting/forwarding properly

I'm having trouble getting floating IPs to work properly on my OpenStack setup. It looks like the controller node (running nova-network) isn't forwarding the traffic to the instances. I've got a ...
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0answers
527 views

arp reply is not processed

My eth0 interface does not process a legitimate arp reply. When I try to ping a host, I see arp request and reply with tcpdump from the host I try to ping from, but ip neigh says that there is a ...
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1answer
80 views

Mounting ISO9660 File System in Windows 2008

I am booting Windows 2008 instances in an OpenStack environment. OpenStack can use a "config drive" to pass metadata information to the instances. This drive is formatted as a ISO9660 (or optionally ...
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2answers
2k views

Openstack keystone issue

i am having an issue with keystone,keystone is configured with users nova,glance and admin user and their endpoints are also defined. when performing keystone token-get it is showing token,but ...
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2answers
219 views

Running ScaleMP on top of OpenStack [closed]

Looking for a feedback if anyone has already played with running ScaleMP linux appliances in OpenStack (KVM)? A short description of the setup (w/ or w/o InfiniBand, total amount of RAM, etc) and its ...
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1answer
314 views

Openstack Essex: how can I add custom iptables rules

I've got an openstack instance (all in one node) and want to redirect incoming traffic on some port from the host to one of the instance. Openstack Nova set up a whole bunch of iptables rules. How ...
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1answer
1k views

Why does host swap out VMs when there are 16GB of buffer cache and swappiness = 0? [duplicate]

I have a desktop running Ubuntu Quantal using OpenStack Folsom on an Intel i5 with 32 GB RAM and 2 GB swap. I'm running 7 VMs each sized like a EC2 m1.small, so 1.7 GB RAM each. I'm using KVM. As I ...
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1answer
3k views

OpenStack Quantum Log shows AMQP server on <server>:5672 is unreachable: Socket closed

In an OpenStack Folsom installation, my quantum server logs at /var/log/quantum/server.log shows: 2013-02-06 11:51:38 INFO [quantum.openstack.common.rpc.common] Reconnecting to AMQP server on ...
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1answer
97 views

Open Stack Installation - single server

I have managed to set up openstack on a single machine, everything appears to work with exception to being able to ssh. I can ssh to the instance from the host box, which has a public ip. However as ...
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3answers
1k views

Does nova support pxe boot?

I'm working on an OpenStack-based project. Now we need a virtual machine to boot from PXE. I cannot find any document about that. Does nova support PXE boot? If yes, how do I create a KVM image that ...
0
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1answer
210 views

openstack: how to run multiple glance instances?

I'm new to openstack. And I have followed the installation guide to set an openstack on a single host server. Now I got a question. On the single node, I registered a glance service and relative ...
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1answer
205 views

MAAS and openstack [closed]

I am confused how MAAS (Metal as a service) is different from Cloud? What is the difference or similarities between MAAS and openstack, are they both same or different
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4answers
533 views

Single Computer Openstack Deployment - Essex vs Folsom

The OpenStack Install and Deploy Manual for Essex seems to imply that the whole stack can be deployed on one machine without the need for VMs. In fact, DevStack does exactly this. However, the ...
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2answers
435 views

how to upgrade libvirt?

I'm trying to install openstack on RHEL 6.2. Following installation guide from openstack.org, I'm using the command: yum install openstack-nova openstack-glance After resolved many dependencies, I ...
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1answer
97 views

Stopping Devstack from running every time

I installed DevStack on my Ubuntu 12.04 laptop. But now, every time I start my laptop, the Apache HTTP servers and MySQL daemon are running at startup. Is there anyway to stop that from happening?
3
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2answers
2k views

Why can't Openstack VM reach itself via it's Floating IP?

I set up an OpenStack Folsom (2012.2) multi-node, single-network infrastructure. Everything runs fine, instances are running good on any compute node, private network works like a charm and all ...
2
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0answers
140 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 ...
1
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1answer
137 views

Openstack-Swift Disk usage for Containers

Currently i am testing a openstack-swift cluster made of 1 proxy node and 6 storage nodes. Each host has ubuntu 12.04. I put 5000 containers each having a text 4.6 KB. Each storage node has a 100 GB ...
2
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1answer
717 views

Object storage: when to choose OpenStack (Swift) vs. Ceph

Swift (OpenStack) and Ceph are both open source projects that implement object storage. What are the factors to consider when trying to decide which one to deploy? Under what scenarios would you ...
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1answer
213 views

Openstack: how object storage to be used by apps running on VM?

I'm new to openstack, now reading some documentation. I have question about the object storage. Could the swift object storage be used by apps running on virtual machine? I guess the answer should be ...
2
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1answer
68 views

Hosting websites in our Workplace custom-built datacentre

I'm faced with unique learning opportunity at work at the moment. Due to the slowdown (amongst other reasons), the powers that be at my office have decided to abandon our shared hosting providers ...
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0answers
449 views

Got Bus error (core dumped) when run the nova-compute from nova user

I got error when I try to restart the nova-compute service on my compute node. [root@mycompute ~]# service nova-compute restart Stopping OpenStack Nova Compute Worker: [ OK ] ...
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1answer
618 views

How exactly are Distributed File Systems used in cloud environment? [closed]

How exactly are Distributed File Systems used in cloud environment ? More precisely: Are live VMs images (or their filesystem) usually located in the DFS ? Are VMs usually used to run the backbone ...
4
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3answers
399 views

OpenStack - assign security group to existing instance

I want to assign a security group to an existing instance. Is this possible?
3
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1answer
2k views

Instances in OpenStack are not getting DHCP leases

When I start instances in openstack, they don't get DHCP leases. When I go into the instance and manually configure the IP that would have been assigned. Network flows fine. With TCPDump, I can see ...