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Hi Martin,

I've never seen or heard of this before; do you have any more details or a bug on launchpad I can read?

XenServer is used under openstack for hundreds of thousands of VM instances, so some configurations are definitely stable and don't suffer from the issue you saw.

Were you - by chance - using devstack? If a devstack VM reboot occurs then it will intentionally destroy the VMs and may not delete all disks - but since this cannot be a production environment and devstack is intended only for development, we have not pursued a fix.

Thanks,

Bob

-------- Original Message --------
Subject: Re: [Openstack] [Fuel] How to configure Xen + Libvirt using Fuel 8.0
From: Martinx - ジェームズ
To: Bob Ball
CC: Mike Scherbakov ,Ashish Yadav ,Fabrizio Soppelsa ,openstack at lists.openstack.org

>From time to time, randomly, XenServer loses all virtual machine definitions, and you'll end up with many orphan disk images that only God knows where those images belongs to.

I gave up on XenServer because of this, it happened more than once, on very different places.

It is a big pain to restore it.

Open Source Xen looks more reliable and stable.

But theses, I prefer KVM on Ubuntu anyway...

On 1 April 2016 at 13:43, Bob Ball <bob.ball at citrix.com<mailto:bob.ball at citrix.com>> wrote:
XenServer is fully open source - XCP is no longer. You can download XenServer for free from www.XenServer.org<http://www.XenServer.org> without any contact with Citrix.

For libvirt+Xen AFAIK that plugin doesn't exist and you would need to manually configure each compute node after installation.

The XenServer plugin will, of course, work with the version downloaded from above and does not require anything only available direct from Citrix, nor does it require a support contract.

Thanks,

Bob


-------- Original Message --------
Subject: Re: [Openstack] [Fuel] How to configure Xen + Libvirt using Fuel 8.0
From: Mike Scherbakov
To: Ashish Yadav ,Fabrizio Soppelsa
CC: openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>

We used open source Xen Cloud Platform (XCP) around Cactus/Diablo release of OpenStack. At that time, there was no good support via libvirt but via xenapi it worked pretty well. So if you are just looking for an open source working solution, take a careful look - xenapi & XCP used to be fully open source, and no XenServer is needed.

Thanks,

On Tue, Mar 29, 2016 at 11:15 PM Ashish Yadav <gwalashish at gmail.com<mailto:gwalashish at gmail.com>> wrote:
Hi Fabrizio,

On Tue, Mar 29, 2016 at 8:58 PM, Fabrizio Soppelsa <fsoppelsa at mirantis.com<mailto:fsoppelsa at mirantis.com>> wrote:
Hi Ashish,

you may want to check this out: Citrix - XenServer Plugin
https://www.mirantis.com/products/openstack-drivers-and-plugins/fuel-plugins/

Thanks for this but I know about this plugin. I wanted to use Xen + Libvirt not xenserver,
because it was using XenAPI (XAPI) tool-stack not XL.

I search through for Xen + Liibvirt but no luck till now.

--Regards
Ashishkumar S. Yadav
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