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Re: [Xen-users] vcpus higher than real cpus possible?
| To: | David Hláčik <david@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] vcpus higher than real cpus possible? |
| From: | Stefan de Konink <skinkie@xxxxxxxxx> |
| Date: | Sat, 17 May 2008 22:32:52 +0200 (CEST) |
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| Delivery-date: | Sat, 17 May 2008 13:33:30 -0700 |
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On Sat, 17 May 2008, [ISO-8859-2] David Hláèik wrote: > Hello, i have just migrated machine to xen server where only 2 cpus are > available. I have copied config from machine where domU was located before. > That machine had 4 CPUS (QUADCORE), current machine has 2 CPUS (1 XEON > 2cores). > > I have forgot to change vcpus from 4 to 2 in config, but .. what really > surprised me ... machine started . How it is possible? It was really slow > alltought and not possible for working (Windows server 2003). Since Xen is always doing this :) Think for one processor having 2 DomU's running. Technically you have then 3 vcpu's on the same moment. It is just about scheduling tasks for a vcpu. Stefan _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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