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Questions tagged [opennebula]

OpenNebula is an open-source cloud computing toolkit for managing heterogeneous distributed data center infrastructures.

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VM Logical Volume shown on Host

Some context, I've builded an Opennebula cloud (https://opennebula.io/). I've been using it for more than 2 years now without any issue on that side. Recently i've noticed a strange behavior. On my ...
Boat's user avatar
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0 votes
1 answer
388 views

How can a create a connection between two KVM private network? [closed]

I have two KVM node. In both sever there is a bridge connection for the interface prv1 with network 192.168.15.0/28 and in other KVM node there is a bridge connection for the interface prv1 with ...
Niba Tandukar's user avatar
2 votes
2 answers
3k views

Lost connection to main interface after brctl addif

I was setting up a server recently, and I was supposed to assign one of the public IP available for the server to a KVM guest. The server have the following setup: eno1 - main internet connection of ...
Dominick Navarro's user avatar
3 votes
1 answer
3k views

Assign External/Public IPs to VMs in OpenNebula (Open vSwitch)

I've read multiple posts asking the same question, on KVM and open nebula forums and in general virtualization ones but have only found partial or bogus answers. Some Info: Objective: Be able to ...
John's user avatar
  • 51
0 votes
1 answer
206 views

OpenNebula: instantiate a service template with Curl providing a service name

In OpenNebula 5.4, I am able to instantiate a Service from a Service Template using Curl, but I don't know how to provide a service name. The website example works as expected: curl http://127.0.0.1:...
xCovelus's user avatar
  • 250
1 vote
0 answers
202 views

How to achieve HA in open nebula?

I have just setup an open nebula environment for testing purpose and once everything will work well, will implement in production environment. But I have a doubt and not able to understand the HA ...
RjV's user avatar
  • 161
2 votes
0 answers
96 views

Hardware Planning for Open Nebula

How do you plan Hardware allocation in terms of Physical servers to achieve a 100% or close HA. A 1 to 1 Pairing of Server Hardware using Heart Beat Corosync looks expensive. Is there a better way?
ramdaz's user avatar
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7 votes
4 answers
12k views

custom dnsmasq (or custom options) with libvrt?

Currently only two options related to network boot are available in libvirt via bootp options: server and file So for config like this: <bootp file='test.ipx' server='10.10.10.2'/> this code ...
gerasalus's user avatar
  • 251
1 vote
0 answers
995 views

Nat or Bridge or both?? Using for opennebula (KVM)

All, I am trying to setup a network connection that opennebula can put VMs on (so I think I needs a bridge). This connection would be managed by opennebula and all VM would be given a 192.168.172.X ...
Greg Brown's user avatar
1 vote
0 answers
183 views

Create "virtual switch" between servers with single network interface?

Is there a way to link two servers via internet as they would have been connected via simple network switch? I have : Server A which only has single network interface eth0 with public IP AAA.AAA.AAA....
gerasalus's user avatar
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1 vote
0 answers
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Cloud Computing Lab Specifications [duplicate]

I am a system administrator and i have been asked to setup a Cloud Lab where following will be covered. What I would like to know is what is the minimum number of hardware for servers, storage and ...
user2707239's user avatar
1 vote
0 answers
2k views

Opennebula Vm creation failed

I am trying to set up opennebula cloud for experiment purpose on vms created on the top of another opennebula cloud so that base cloud remain undisturb. When I am trying to created vms it is showing ...
user1316883's user avatar
0 votes
1 answer
2k views

Can't start VM OpenNebula

I have 3 nodes with CephRBD + OpenNebula + Corosync + Pacemaker + Galera + crmsh. Software: OpenNebula 4.14.2, CentOS 7.1 All works, but when I instantiate VM, a get an error and VM in PENDING ...
Roman Bogachev's user avatar
0 votes
1 answer
604 views

opennebula how to find out a snapshot size?

All I can see with the onvvm show $vmid command is: SNAPSHOTS ID TIME NAME HYPERVISOR_ID 0 03/16 06:47 VBE1 ...
Ricky Levi's user avatar
1 vote
1 answer
1k views

Opennebula shows wrong datastore capacity

I have installed OpenNebula following the quickstart guide OpenNebula on CentOS 6 and KVM. I am using all local hard disks. I have one huge software RAID10 array composed of 4 partitions, no LVM ...
Pavel Tankov's user avatar
4 votes
2 answers
2k views

What is the difference between OpenNebula images and templates?

OpenNebula uses the notions of "Images" and "Templates". From what I've been able to understand so far, an image is first downloaded from the marketplace, then a template is created from it, and ...
Pavel Tankov's user avatar
1 vote
1 answer
157 views

opennebula how to list HOST column with its last octet

Does anyone know why when running onevm list OR onevm list --list HOST The last octet is hidden ? I can only see xxx.xxx.xxx.???
Ricky Levi's user avatar
4 votes
3 answers
5k views

Configure OpenNebula to use DHCP

I'm trying to configure OpenNebula to use the DHCP server that already exists on my network. Yes, I already know that OpenNebula manages virtual mac addresses rather than IP addresses, but that doesn'...
cat pants's user avatar
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0 votes
1 answer
2k views

OpenNebula can't start vm after reboot

I installed a fresh install of Debian-7-opennebula-4.4.0-1.tar.gz on a fresh Debian and got a VM to start via sunstone. The output of libvirt was: 2013-12-26 12:48:12.919+0000: starting up LC_ALL=C ...
Kaffee's user avatar
  • 111
1 vote
2 answers
5k views

kvm guest can not connect to outside of host, vice versa

I have a vmware vm running ubuntu 12.04 server(name=vmhost), with network bridged and full access to the internet. This vmhost is using the kvm hypervisor and is running a vm(centOS 6.4),network ...
user2378421's user avatar
2 votes
1 answer
14k views

Opennebula Sunston user oneadmin password

Opennebula 4.2.0 I accidentally deleted the file /var/lib/one/.one/one_auth, so I lost the the oneadmin user password. How can I get it back or init the oneadmin password? Thanks!
Lei  Wu's user avatar
  • 23
0 votes
2 answers
239 views

Which Open Source Cloud Management Platform supports Amazon-RDS? [closed]

I have been trying to use Amazon Web services, specially EC2 and RDS. Nowadays most CMP (Cloud Management Platform) like Eucalyptus, OpenNebula, OpenStack, Nimbus and CloudStack all support Ec2 to a ...
Flame_Phoenix's user avatar
4 votes
1 answer
12k views

error: unknown OS type hvm - help deploying VM - OpenNebula [closed]

I have the following errors when I try to create a VM: Log: Tue Mar 12 16:57:23 2013 [DiM][I]: New VM state is ACTIVE. Tue Mar 12 16:57:23 2013 [LCM][I]: New VM state is PROLOG. Tue Mar 12 16:57:23 ...
Michaela's user avatar
1 vote
2 answers
2k views

OpenNebula: Can't create a host - Could not resolve hostname

I'm having trouble launching a host in Open nebula. Is is because I can't merge the front end with hosts i.e start off with one server and build from there. Do I have to start with 3 or 4 servers? ...
Michaela's user avatar
0 votes
1 answer
3k views

libvirt upgrade caused vms to not see drives (boot media not found)

I upgraded to Ubuntu 12.04.1 and now libvirt (via open nebula) successfully runs vms but they aren't finding the 2 drives (specifically, the boot drive). One is "hd" the other is "cdrom". The machine ...
bias's user avatar
  • 225
0 votes
2 answers
3k views

OpenNebula fails to monitor host: Could not resolve hostname

hope can get some advise n help.... currently I am installing opennebula 3.4 in debian squeeze everything have being successful where I am able to access the opennebula sunstone webpage localhost:9869 ...
Jin Splif's user avatar
0 votes
1 answer
675 views

Multiple IP address in a machine [closed]

I am running an opennebula instance with opensuse as a guest machine. There is only one network interface eth0 with ipaddress 192.168.122.155 . However I can ping the machine 2 IP address 192.168.122....
bonzi's user avatar
  • 151
3 votes
0 answers
994 views

How to configure opennebula for allowing a cluster private network to host images with public IPs

I am installing open nebula 3.4.1 for running virtual machines a (kvm based) cluster made of 5 computers: a front-end machine having 2 network interfaces and 4 slaves machines with a single network ...
user1456486's user avatar
1 vote
1 answer
3k views

Libvirtd start error

I had to remove libvirt manually using kill. Now when I'm trying to start libvirtd it says error: Unable to initialize network sockets. Check /var/log/messages or run without --daemon for more info. ...
bonzi's user avatar
  • 151
0 votes
2 answers
9k views

OpenNebula: [HostPoolInfo] User couldn't be authenticated, aborting call

I installed OpenNebula 3.2.1 following the guide found under http://opennebula.org/documentation:rel3.2:ignc on a Debian 6.0.4 machine. Everything seemed fine until trying to execute the command ...
Ulf's user avatar
  • 387
2 votes
1 answer
909 views

OpenNebula-managed libvirt not allowing access to /dev/kvm

I have a fresh Open Nebula 3.2.1 installation which I'm trying to get working and manage some freshly-installed debian squeeze kvm hosts. My problem is that when Open Nebula deploys VMs the KVM ...
MikeyB's user avatar
  • 39.7k
1 vote
1 answer
567 views

Opennebula KVM onevnet

I am experimenting with Open Nebula and KVM and so far I have a frontend and a few hosts (all hosts have two NICs for redundancy). I know that KVM makes on the hosts a virtual interface virbr0. Now,...
EZi's user avatar
  • 11
0 votes
1 answer
301 views

Using Opennebula as an IaaS: Running benchmark accross all nodes, possibe?

Our current situation: We have one Opennebula cloud infrastructure consisting of a cluster controller and 6 cluster nodes configured and working. All Nodes run debian instances on top of a kvm ...
user101012's user avatar
1 vote
2 answers
7k views

Bridging Virtual Networking into Real LAN on a OpenNebula Cluster

I'm running Open Nebula with 1 Cluster Controller and 3 Nodes. I registered the nodes at the front-end controller and I can start an Ubuntu virtual machine on one of the nodes. However from my ...
user101012's user avatar