Re: [Xen-devel] Xen CPU limit?

On Tue, Mar 30, 2010 at 10:32:29AM +0100, Martin Lukasik wrote:
> Pasi Kärkkäinen wrote:
>>
>> Why do you need to have all the cores visible to dom0? 
>>
>> It's usually enough to have a couple of cores for dom0, and the rest 
>> free/available in Xen hypervisor for other guests.
>>
>>   
>
> I read three books about Xen, but surely they weren't a good read. Many  
> things haven't been even mentioned (btw: can anyone recommend a *good*  
> book on Xen?)
> I thought that the way it works is: you set up Dom0 with max number of  
> CPUs and then allocate them to VMs.
> But since Dom0 is a VM as Keir said, then it all must be up to a hypervisor.
>
> So I need a hypervisor to support 48 cores, then set up Dom0 with let's  
> say 2 vCPUs and 1GB of RAM, and create other VMs according to my  
> requirements.
> Am I right?
>

Yes, that's correct. 

See here for some tips: http://wiki.xensource.com/xenwiki/XenBestPractices

-- Pasi


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread]

Current Thread

[Next in Thread>

Previous by Date:	Re: [Xen-devel] Xen CPU limit?, Martin Lukasik
Next by Date:	Re: [Xen-devel] Query regarding schedulers in Xen, George Dunlap
Previous by Thread:	Re: [Xen-devel] Xen CPU limit?, Martin Lukasik
Next by Thread:	Re: [Xen-devel] Xen CPU limit?, Keir Fraser
Indexes:	[Date] [Thread] [Top] [All Lists]