Open Stack

Hi Girija,

I can’t help with converting XenServer VMs to KVM but can I ask why running XenServer under your OpenStack cloud isn’t considered an option?

Clearly there are some differences with VM setup (e.g. the VM may be set up to use a specific disk name which won’t be present if you move to use the virtio interface) that might make it difficult to move an existing VM between any two hypervisors.  As such it may well be easier to use XenServer in your OpenStack infrastructure?

You could also have a mixed-hypervisor environment if that would meet your requirements.

Thanks,

Bob

From: Girija Sharan [mailto:girijasharansingh at gmail.com]
Sent: 21 May 2015 06:26
To: openstack at lists.openstack.org
Subject: [Openstack] Running Xen VMs on Openstack

HI All,
It's urgent and a interesting one too.
I have to run VMs from Xen Server on Openstack (with KVM).
In detail it is like this :
1. I have a Xen Server and couple of large VMs (with GBs of data) are running on that.
2. I have a Openstack multi-node setup with Nova configured to use KVM-Qemu as a hypervisor.
3. Now I have to run those Xen VMs (as it is, without loosing any data) on this Openstack setup.
4. I don't want to change Openstack configuration to let Nova use Xen hypervisor instead of KVM.
5. I tried launching VMs on Openstack using images of VMs running on Xen Server, but that is failing.
What is the way to run Xen server's VMs on KVM machine (basically on Openstack) ?
What all I have to do to acheive this?
Any quick help or guidance or pointers will be really appreciated.
Thanks in advance. Waiting for early replies.

Thanks and Regards,
Girija Sharan Singh
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