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

[Grant McWilliams <grantmasterflash@xxxxxxxxx>]

On Wed, Aug 24, 2011 at 1:55 PM, Mike McClurg <mike.mcclurg@xxxxxxxxxx> wrote:

On 08/24/2011 02:22 PM, Grant McWilliams wrote:

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.

Hi, I just wanted to clear up some confusion about XCP. XCP now comes in two flavors, the unstable version that Grant spoke of, which we're still prototyping (http://wiki.xen.org/xenwiki/XAPI_on_debian), and the stable version that's currently available as version 1.0 (or in beta at 1.1).

XCP 1.0 is basically identical to XenServer 5.6 FP1, except that it doesn't include any of XenServer's closed-source bits, such as workload balancing or high availability. Other than those things, it has rough feature parity with XenServer Enterprise.

See the XCP/XenServer feature comparison matrix on the Xen.org wiki for more details (http://wiki.xensource.com/xenwiki/XCP/XenServer_Feature_Matrix).

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

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

Excellent! Please let us know how things come along with that move.

Mike

I'm mainly interested in XCP 1.5 but can't wait until then so I'm working with the 1.1 beta. I thought about rolling back to 1.0 but there's really not a lot of difference. 

My biggest complaints so far is 1) we really really need to get XCP repos working. To upgrade all my hosts will require wandering around with a USB DVD drive since none of them have optical disks of their own. 2) all the guis for it (outside of XenCenter) are either overly complex or very buggy. After I get this migration done I may dedicate some time to this issue. OpenXenManager would be decent if it worked reliably. 

In the coming weeks I'll start putting XCP howtos up on my site as I get to them. Coming from OSS Xen there's a bit of a learning curve. There's nothing there currently though - http://grantmcwilliams.com/tech/virtualization/xcp-howtos

Grant McWilliams

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