Ganeti is a management tool for clusters of virtual machines. It takes advantage of open source software like the Xen and KVM hypervisors to provide management capabilities for clusters of virtual machines spread across physical machines.

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converting Ganeti instance to vmdk fails

Hi I have exported an instance from ganeti using this command : gnt-backup export -n I get this result: /srv/ganeti/export/win2k8.itlao.local# ls ...
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22 views

How can I run the same command on all Ganeti nodes?

When administering a Ganeti cluster, it is important to maintain one of the main assumptions Ganeti does: all nodes (at least inside the same group) are equal. How can I run the same command on the ...
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1answer
102 views

How do I enable a disk template in Ganeti?

I want to create a virtual machine with an RBD volume for storage. However, when I run the relevant gnt-instance add -t rbd ... incantation, I get: Failure: prerequisites not met for this operation: ...
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83 views

Two Xen hosts with a crossover between and failover public IP between them both. configuration?

I have two servers with Ganeti installed (Xen) I want to be able to migrate the instance between the two servers so the instance's network configuration needs to be host agnostic. The datacenter that ...
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2answers
1k views

Ganeti : Installing Centos/RHEL Instance

I have installed Ganeti on Centos 6.3 with DRBD and have added couple of nodes. However, now I am facing next challenge of installing a Centos Guest/Instance on top of it. I tried using ...
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1answer
448 views

Ganeti and automatic failover

I'm building a simple 2-node cluster with Ganeti+DRBD... What is the recommended way to setup automatic failover? I'm used to Heartbeat, but they say it should be avoided with my setup.
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2answers
503 views

How Ganeti deals with Fencing

I found out that proxmox doc says a lot abou Fencing. I haven't found anything about it in Ganeti doc. Also I screeched Ganeti Google Group Archive and I found similar question but answer was that ...
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4answers
3k views

Ganeti vs Proxmox [closed]

I'm system administrator in small software house. I'm going to virtualise our servers. The main reason for doing this is providing highest possible uptime, but probably it will also increase resources ...
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2answers
459 views

Ganeti KVM settings

When I have played with KVM using libvirtd/virsh, I disabled section in libvirt's xml configs for VMs an this gives me CPU usage from 7-8% in idle mode per VM to 1-2% for windows guests. This was a ...
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1answer
367 views

Ganeti master IP and cluster name

I'm trying to set up a ganeti cluster. My problem is that I don't understand the role of the "cluster name" and the associated "master IP". The installation requirement is that every node and future ...
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1answer
516 views

Linux-KVM and Ganeti - help me understand / deploy

Looking to build a small (but future proof) Linux-KVM cluster with Ganeti I'm starting my setup with 2 HVM machines, each with 2x 500GB SATA disk. I've studied the documentation and I have a fair ...
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2answers
551 views

Ganeti 'template' based OS, possible?

Just discovering ganeti and playing around; from what I saw it's only possible to create instances by 'de-bootstrapping' a flavour of OS. I'm wondering if it's possible to have 'ready to go' ...
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950 views

ganeti fails to install debootstrap instances on squeeze

ganeti 2.4-rc3 setup on my squeeze server went fine and I can successfully create instances: $ gnt-instance add -t plain -s 5G -o debootstrap+default -n obi-wan vm01 Wed Mar 2 17:12:51 2011 * disk ...
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1answer
637 views

Debian Squeeze Ganeti - lvm.conf filter problem

I've been integrating the ganeti project and it has a problem with the ":" character at the PV ( physical volume ), name. By adding the line filter = [ "r|:|", "a|.*|"] in /etc/lvm.conf, when creating ...
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1answer
150 views

How do I remove an interface from a virtual host on ganeti?

I added a second interface to a virtual host by mistake, and now I want to remove it. I couldn't find a command to do it, though. How do I accomplish that?