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[Xen-users] Sharing cpus between domUs

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Simon <greminn@xxxxxxxxx>
  • Date: Thu, 6 Apr 2006 18:43:16 +1200
  • Delivery-date: Wed, 05 Apr 2006 23:43:48 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hi There, Just a quick and easy question for sharing of resources on a
server. We have a IBM xSeries 206 that we run as an internal
development server. This has a P4 3.0 with HT enabled and 1.5GB RAM. I
have installed xen 3.0 and have our first domU up and running just

At the moment i dont have any reference to vcpus in the domU config
and it has allocated 2 to the dom0 and one to the domU:

Name                              ID Mem(MiB) VCPUs State  Time(s)
Domain-0                           0      256     2 r-----    27.3
dev                                2      512     1 -b----     6.2

My question is this, i really just want all the domU's that we create
on this box to have a shared access to all the CPU available on the
box, to do this do i just allocate 2 vcpus to the domU as well?:

vcpus = 2

Or is there a valid reason not to? This is not so much of a disk
intensive server.


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