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Re: [Xen-users] Re: preferred XEN dom0 OS

On Wed, Aug 24, 2011 at 5:21 AM, Rudi Ahlers <Rudi@xxxxxxxxxxx> wrote:
On Wed, Aug 24, 2011 at 2:13 PM, Scott Damron <sdamron@xxxxxxxxx> wrote:
> CloudMin can manage XCP, you just have to add it in as XenServers.

Really? That's cool.

What extra benefits do you get?
I honestly haven't look into XCP much yet due to it's newness compared
to other similar products.

Kind Regards
Rudi Ahlers

Might be two ways of doing the same thing. Generally when you move from virtualization to clouds you're talking about dynamics. With a cloud you can have loadbalancing where VMs are moving around depending on resource allocation and load etc.. With the open source Xen this was a harder thing to do because the user space tools weren't that great. In XCP/Xenserver you're using the same Hypervisor but everything is through XAPI so you create pools of resources like storage, hosts and VMs. The idea is that everything is abstracted and dynamic. The difference between XCP and XenServer is that the former is sort of the beta, community version. I has new stuff like OpenVswitch but missing heavy hitting features like load balancing. It's also running a newer version of Xen/Linux kernel than XenServer. for the most part XenServer is recommended for production and XCP if you want to be on the bleeding edge. Â

If you want to see the difference in approaches look at the man pages for the xm command and the xe command.Â

To answer the earlier question, I'm moving my Open Source Xen servers to XCP.Â
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