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From Rafael Weingartner <rafaelweingart...@gmail.com>
Subject Re: CloudStack with XenServer on single host
Date Sun, 02 Nov 2014 15:47:46 GMT
Pure Xen deployment is not yet supported (Am I wrong?).
When I said Xen in my mail I meant (Xenserver or Xen + XCP).

BTW: I use Xen hypervisor with XCP packages or a debian distro in my
physical hosts.

On Sun, Nov 2, 2014 at 1:44 PM, "Matthias Müller" <matthiasmueller07@web.de>
wrote:

> Thanks for all replies.
>
> As Geoff said I am new to the complete topic CloudStack. I worked only
> with XenServer in the past and now evaluate CloudStack which I think seems
> to be the better option for XenServer as OpenStack.
>
> Of course it should be more easier to create a VM for the management
> server as I also have different XenServer and therfore the question. When I
> read the answers I think the only useful way is to install CloudStack on a
> dedicated server or VM of a host which is not also a node for CloudStack.
>
> For the evaluation I will now install a CentOS host with KVM on a single
> dedicated server.
>
> One small question:
> I read that also Xen is an option. I can not find any information
> regarding Xen in the documentation, is it official supported by CloudStack?
>
>
> Thanks
>
> Gesendet: Sonntag, 02. November 2014 um 14:32 Uhr
> Von: "Rafael Weingartner" <rafaelweingartner@gmail.com>
> An: "users@cloudstack.apache.org" <users@cloudstack.apache.org>
> Betreff: Re: CloudStack with XenServer on single host
> You are right,
>
> I am just using this deployment, because I have an environment with more
> than 1 server. We actually have 3 clusters, and we spread the system vms
> (router and etc) and CS vms (database, CS1, CS2 and apache) into different
> clusters.
>
> So, if I for some odd reason I need to restart a physical server, I can
> still migrate VMs before the restart.
>
> I just presented our work around to show that it is indeed possible. But,
> as a said, it can be tricky, especially if you have an environment with
> just one server.
>
> BTW: out of curiosity, if you use CS in an environment with just one
> physical server, would you call it a Cloud?
>
> On Sun, Nov 2, 2014 at 11:14 AM, Geoff Higginbottom <
> geoff.higginbottom@shapeblue.com> wrote:
>
> > Hi Rafael.
> >
> > That's certainly a clever way of getting it to work, however if you were
> > to put the Host into maintenance mode, or reboot it, all the VMS would
> stop
> > and you would have no way of restarting them.
> >
> > The original poster is new to CloudStack and needs to learn how it works.
> > I don't think we should encourage the use of complex 'hacked' deployments
> > which could give them problems in the event the Host is restarted etc.
> >
> > Regards
> >
> > Geoff Higginbottom
> > CTO / Cloud Architect
> >
> > D: +44 20 3603 0542<tel:+442036030542> | S: +44 20 3603 0540<tel:
> > +442036030540> | M: +447968161581<tel:+447968161581>
> >
> > geoff.higginbottom@shapeblue.com<mailto:geoff.higginbottom@shapeblue.com
> >
> > | www.shapeblue.com[http://www.shapeblue.com]<htp://www.shapeblue.com/>
> | Twitter:@cloudstackguru<
> >
> https://twitter.com/#!/cloudstackguru[https://twitter.com/#!/cloudstackguru]
> >
> >
> > ShapeBlue Ltd, 53 Chandos Place, Covent Garden, London, WC2N
> > 4HS<x-apple-data-detectors://5>
> >
> >
> > On 2 Nov 2014, at 12:28, Rafael Weingartner <rafaelweingartner@gmail.com
> > <mailto:rafaelweingartner@gmail.com>> wrote:
> >
> > Actually, you can have CS running on a Xen server host that it is
> running;
> > however it is a little bit tricky, because when you add a xen server, the
> > CS does not load any VM configuration that it already has running.
> >
> > I did that myself in the Cloud that we have in our networking and
> > management lab.
> >
> > I first installed CS in a temp machine and added the hosts I wanted to
> > manage to CS.
> >
> > Then, I created 4 instances (you most certainly do not need that much)
> one
> > for the CS-database, CS1 and CS2 and an Apache Webserver working as a
> load
> > balancer.
> >
> > After that, I stopped the CS that was in the temp machine, migrated the
> > database for the cs-database VM, configured CS1 and CS2 to use that
> > database that is in the VM. Configured the Apache web server, and that is
> > it. You now have a CS environment that runs on physical machines and VMs
> > that it manages.
> >
> > On Sun, Nov 2, 2014 at 10:06 AM, Geoff Higginbottom <
> > geoff.higginbottom@shapeblue.com<mailto:geoff.higginbottom@shapeblue.com
> >>
> > wrote:
> >
> > Unfortunately you cannot run CloudStack Management Server on a XenServer
> > (or ESXi) Host it is managing.
> >
> > It works for KVM because CloudStack and KVM are running as services on
> > CentOS, CloudStack is not running as a VM on KVM.
> >
> > You do have a couple of options however:
> >
> > Install Virtualbox and then create a VM for CloudStack and a separate VM
> > for XenServer - take a look at this recent presentation I have at the
> > European User Group
> >
> >
> >
> >
> http://www.slideshare.net/ShapeBlue/building-virtualised-cloudstack-test-environments[http://www.slideshare.net/ShapeBlue/building-virtualised-cloudstack-test-environments]
> >
> > This is really aimed at testing on a Laptop, if you have a physical box a
> > better option is to install the free version of ESXi then add a CentOS VM
> > for CloudStack and a XenServer VM as your Hypervisor. If you configure
> > ESXi for nested virtualisation your XenServer will support HVM VMs,
> unlike
> > on Virtualbox which will only support PV VMs
> >
> > Regards
> >
> > Geoff Higginbottom
> > CTO / Cloud Architect
> >
> > D: +44 20 3603 0542<tel:+442036030542> | S: +44 20 3603 0540<tel:
> > +442036030540> | M: +447968161581<tel:+447968161581>
> >
> > geoff.higginbottom@shapeblue.com<mailto:geoff.higginbottom@shapeblue.com
> > ><mailto:geoff.higginbottom@shapeblue.com>
> > | www.shapeblue.com[http://www.shapeblue.com]<http://www.shapeblue.com[
> http://www.shapeblue.com]><htp://www.shapeblue.com/> |
> > Twitter:@cloudstackguru<
> >
> https://twitter.com/#!/cloudstackguru[https://twitter.com/#!/cloudstackguru]
> >
> >
> > ShapeBlue Ltd, 53 Chandos Place, Covent Garden, London, WC2N
> > 4HS<x-apple-data-detectors://5>
> >
> >
> > On 2 Nov 2014, at 04:14, "matthiasmueller07@web.de<mailto:
> > matthiasmueller07@web.de><mailto:
> > matthiasmueller07@web.de<mailto:matthiasmueller07@web.de>>" <
> > matthiasmueller07@web.de<mailto:matthiasmueller07@web.de><mailto:
> > matthiasmueller07@web.de<mailto:matthiasmueller07@web.de>>> wrote:
> >
> > Hello,
> >
> > is there any way to install the CloudStack management server as VM on
> > XenServer 6.2.0 which will also added as host for instances?
> >
> > It is possible to install it on CentOS host with KVM but I do not find
> any
> > information regarding XenServer VM. In the documentation it is stated,
> that
> > there should be no running VM on XenServer but I am not sure, if there is
> > no possibility. I evaluate to create an environment with a single server
> in
> > the first step.
> >
> > Thanks
> > Find out more about ShapeBlue and our range of CloudStack related
> services
> >
> > IaaS Cloud Design & Build<
> >
> http://shapeblue.com/iaas-cloud-design-and-build//[http://shapeblue.com/iaas-cloud-design-and-build//]
> >
> > CSForge - rapid IaaS deployment framework<
> http://shapeblue.com/csforge/[http://shapeblue.com/csforge/]>
> > CloudStack Consulting<
> http://shapeblue.com/cloudstack-consultancy/[http://shapeblue.com/cloudstack-consultancy/]
> >
> > CloudStack Infrastructure Support<
> >
> http://shapeblue.com/cloudstack-infrastructure-support/[http://shapeblue.com/cloudstack-infrastructure-support/]
> >
> > CloudStack Bootcamp Training Courses<
> >
> http://shapeblue.com/cloudstack-training/[http://shapeblue.com/cloudstack-training/]
> >
> >
> > This email and any attachments to it may be confidential and are intended
> > solely for the use of the individual to whom it is addressed. Any views
> or
> > opinions expressed are solely those of the author and do not necessarily
> > represent those of Shape Blue Ltd or related companies. If you are not
> the
> > intended recipient of this email, you must neither take any action based
> > upon its contents, nor copy or show it to anyone. Please contact the
> sender
> > if you believe you have received this email in error. Shape Blue Ltd is a
> > company incorporated in England & Wales. ShapeBlue Services India LLP is
> a
> > company incorporated in India and is operated under license from Shape
> Blue
> > Ltd. Shape Blue Brasil Consultoria Ltda is a company incorporated in
> Brasil
> > and is operated under license from Shape Blue Ltd. ShapeBlue SA Pty Ltd
> is
> > a company registered by The Republic of South Africa and is traded under
> > license from Shape Blue Ltd. ShapeBlue is a registered trademark.
> >
> >
> >
> >
> > --
> > Rafael Weing?rtner
> > Find out more about ShapeBlue and our range of CloudStack related
> services
> >
> > IaaS Cloud Design & Build<
> >
> http://shapeblue.com/iaas-cloud-design-and-build//[http://shapeblue.com/iaas-cloud-design-and-build//]
> >
> > CSForge - rapid IaaS deployment framework<
> http://shapeblue.com/csforge/[http://shapeblue.com/csforge/]>
> > CloudStack Consulting<
> http://shapeblue.com/cloudstack-consultancy/[http://shapeblue.com/cloudstack-consultancy/]
> >
> > CloudStack Infrastructure Support<
> >
> http://shapeblue.com/cloudstack-infrastructure-support/[http://shapeblue.com/cloudstack-infrastructure-support/]
> >
> > CloudStack Bootcamp Training Courses<
> >
> http://shapeblue.com/cloudstack-training/[http://shapeblue.com/cloudstack-training/]
> >
> >
> > This email and any attachments to it may be confidential and are intended
> > solely for the use of the individual to whom it is addressed. Any views
> or
> > opinions expressed are solely those of the author and do not necessarily
> > represent those of Shape Blue Ltd or related companies. If you are not
> the
> > intended recipient of this email, you must neither take any action based
> > upon its contents, nor copy or show it to anyone. Please contact the
> sender
> > if you believe you have received this email in error. Shape Blue Ltd is a
> > company incorporated in England & Wales. ShapeBlue Services India LLP is
> a
> > company incorporated in India and is operated under license from Shape
> Blue
> > Ltd. Shape Blue Brasil Consultoria Ltda is a company incorporated in
> Brasil
> > and is operated under license from Shape Blue Ltd. ShapeBlue SA Pty Ltd
> is
> > a company registered by The Republic of South Africa and is traded under
> > license from Shape Blue Ltd. ShapeBlue is a registered trademark.
> >
>
>
>
> --
> Rafael Weingärtner
>



-- 
Rafael Weingärtner

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