Re: VirtualBox multi cpu

2011-03-24 Thread Christopher A. Williams
On Thu, 2011-03-24 at 19:46 +0800, Ian Chapman wrote: > On 23/03/11 02:00, Christopher A. Williams wrote: > > > This is also something that must be pre-allocated in vBox. Thus, the > > correct procedure is to add virtual CPUs via the "Processor" tab as > > described above. Other hypervisors (VMwa

Re: VirtualBox multi cpu

2011-03-24 Thread Christopher A. Williams
On Thu, 2011-03-24 at 08:47 +0100, Luc MAIGNAN wrote: > Yes, indeed > > I've modified the number of cpus via the command line : > > VBoxManage modifyvm MyVM --cpus x > > From 3 cpus, the performances go down... But I don't really understand > why... If someone can give me ways of explanat

Re: VirtualBox multi cpu

2011-03-24 Thread Ian Chapman
On 23/03/11 02:00, Christopher A. Williams wrote: > This is also something that must be pre-allocated in vBox. Thus, the > correct procedure is to add virtual CPUs via the "Processor" tab as > described above. Other hypervisors (VMware vSphere, Hyper-V) are > starting to support "hot add" of vCPUs

Re: VirtualBox multi cpu

2011-03-24 Thread Luc MAIGNAN
Yes, indeed I've modified the number of cpus via the command line : VBoxManage modifyvm MyVM --cpus x From 3 cpus, the performances go down... But I don't really understand why... If someone can give me ways of explanations... Le 22/03/11 20:52, Kevin Martin a écrit : > > On 03/22/2011 01

Re: VirtualBox multi cpu

2011-03-22 Thread Christopher A. Williams
On Tue, 2011-03-22 at 14:52 -0500, Kevin Martin wrote: > > On 03/22/2011 01:00 PM, Christopher A. Williams wrote: > > On Tue, 2011-03-22 at 12:25 -0500, Kevin Martin wrote: > >> On 03/22/2011 12:11 PM, Patrick Bartek wrote: > >>> --- On Tue, 3/22/11, Luc MAIGNAN wrote: > >>> > I use Virtua

Re: VirtualBox multi cpu

2011-03-22 Thread Kevin Martin
On 03/22/2011 01:00 PM, Christopher A. Williams wrote: > On Tue, 2011-03-22 at 12:25 -0500, Kevin Martin wrote: >> On 03/22/2011 12:11 PM, Patrick Bartek wrote: >>> --- On Tue, 3/22/11, Luc MAIGNAN wrote: >>> I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores processors). But

Re: VirtualBox multi cpu

2011-03-22 Thread Christopher A. Williams
On Tue, 2011-03-22 at 12:25 -0500, Kevin Martin wrote: > > On 03/22/2011 12:11 PM, Patrick Bartek wrote: > > --- On Tue, 3/22/11, Luc MAIGNAN wrote: > > > >> I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores > >> processors). > >> But it seems like only one or two processors are used. How >

Re: VirtualBox multi cpu

2011-03-22 Thread Kevin Martin
On 03/22/2011 12:11 PM, Patrick Bartek wrote: > --- On Tue, 3/22/11, Luc MAIGNAN wrote: > >> I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores >> processors). >> But it seems like only one or two processors are used. How >> can I >> configure VirtualBox and/or my virtual machine to allow it

Re: VirtualBox multi cpu

2011-03-22 Thread Kevin Martin
On 03/22/2011 11:39 AM, Genes MailLists wrote: >> On 03/22/2011 08:57 AM, Luc MAIGNAN wrote: >> I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores processors). >> But it seems like only one or two processors are used. How can I >> configure VirtualBox and/or my virtual machine to allow it to u

Re: VirtualBox multi cpu

2011-03-22 Thread Patrick Bartek
--- On Tue, 3/22/11, Luc MAIGNAN wrote: > I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores > processors). > But it seems like only one or two processors are used. How > can I > configure VirtualBox and/or my virtual machine to allow it > to use all > processors ? Does this not work: Star

Re: VirtualBox multi cpu

2011-03-22 Thread Genes MailLists
> On 03/22/2011 08:57 AM, Luc MAIGNAN wrote: > I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores processors). > But it seems like only one or two processors are used. How can I > configure VirtualBox and/or my virtual machine to allow it to use all > processors ? Before you start running th

Re: VirtualBox multi cpu

2011-03-22 Thread Joe Zeff
On 03/22/2011 08:57 AM, Luc MAIGNAN wrote: > I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores processors). > But it seems like only one or two processors are used. How can I > configure VirtualBox and/or my virtual machine to allow it to use all > processors ? I'm no expert on such things, bu

VirtualBox multi cpu

2011-03-22 Thread Luc MAIGNAN
Hi, I use VirtualBox on a RHEL5 with 24 cores (6 x4-cores processors). But it seems like only one or two processors are used. How can I configure VirtualBox and/or my virtual machine to allow it to use all processors ? Best regards Luc RHCE -- users mailing list users@lists.fedoraproject.org