RE: [Xen-users] VCPU number configuration

[Songtao Liu <songtao.liu@xxxxxxxx>]

Original Message:

 
<br />
<br />> -----Original Message-----
<br />> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
<br />> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
<br />> Songtao Liu
<br />> Sent: 02 July 2007 15:51
<br />> To: xen-users@xxxxxxxxxxxxxxxxxxx
<br />> Subject: [Xen-users] VCPU number configuration
<br />> 
<br />> Hi
<br />> 
<br />> as when I installed the XenU I initialized the VCPU=1, is it 
<br />> possible to change VCPU=2
<br />
<br />No, not without restarting the guest from scratch. Whilst it's possible
<br />to REDUCE the processor count, you can't increase it after it's been
<br />started [actually, the technicality of it is that there's a MAX_CPU
<br />count in the domain config parameters, which is hidden from the config
<br />files at present, but that is the number of VCPU's "reserved" when the
<br />domain is set up, and with a normal config file, you get MAX_VCPUS=VCPUS
<br />at the domain creation]. 
<br />
<br />--
<br />Mats
<br />
<br />
<br />
So if I want to get a guest with 2 VCPUs, I must install a new one? no other 
ways?

Songtao

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