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add a existing Xen Project hypervisor to an existing Openstack KVM deployment

asked 2017-03-20 17:04:41 -0500

jamesopst gravatar image

hi,

I have an existing Liberty Openstack environment which was Fuel deployed, with a good number of KVM hypervisors,

I also have 2 XenProject hypervisors I'd like to manage with my Openstack environment.

is there any recommended tutorials for getting this done? I am using this one https://wiki.xenproject.org/wiki/Xen_via_libvirt_for_OpenStack_juno (https://wiki.xenproject.org/wiki/Xen_...)

but I am starting to see I will probably need to manually setup all the networking interfaces that have been setup by Fuel on all my other KVM hypervisors. Am I correct in that?

Also: I know there is a XENServer plug in for Fuel but I have some uncertainly about it. https://www.citrix.com/blogs/2016/07/11/introduction-to-xenserver-fuel-plugin/ (https://www.citrix.com/blogs/2016/07/...) Does anyone know if: if this plug actually does allow a deployment of MIX KVM/XEN hypervisors? this plug-in will work with XenProject since it is for Xenserver? if this plug-in is only for an initial deployment and not for adding Xen hypervisors later?

thank you

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answered 2017-03-23 11:37:39 -0500

Bob Ball gravatar image

Fuel doesn't deploy mixed KVM + Xen libvirt environments unfortunately, nor mixed KVM + XenServer environments. The XenServer plugin allows you to deploy a pure XenServer environment. Equally, Fuel doesn't have a capability to 'adopt' an existing host into the OpenStack environment - Fuel will control full deployment including re-installing the host OS. If you're happy to re-install the host OS then converting a KVM node to a XenProject node "should" be relatively simple, but I have no idea what configuration options set by Fuel that are verified in a libvirt+kvm environment may not work with libvirt+xen

The XenServer Fuel Plugin allows you to install a fresh environment of all XenServer nodes, but this will use XAPI as the toolstack, not libvirt. XenServer does, of course, include many components from XenProject - which includes Xen and XAPI - but most people talking about XenProject may be expecting the libvirt integration.

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thank you! that clarifies a lot! I may decide to deploy a new XEN only openstack environment with my Fuel node, after adding the XenServer Plugin (re-installing the host OS on my current XEN servers)

jamesopst gravatar imagejamesopst ( 2017-03-23 12:33:56 -0500 )edit
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answered 2017-03-22 04:09:07 -0500

Vinoth gravatar image
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Asked: 2017-03-20 17:04:41 -0500

Seen: 22 times

Last updated: Mar 23