centos-virt-bounces at centos.org schrieb am 22.02.2012 08:14:14: > Trey Dockendorf <treydock at gmail.com> > Gesendet von: centos-virt-bounces at centos.org > > 22.02.2012 08:14 > > Bitte antworten an > Discussion about the virtualization on CentOS <centos-virt at centos.org> > > An > > Discussion about the virtualization on CentOS <centos-virt at centos.org> > > Kopie > > Thema > > Re: [CentOS-virt] How many virtual guest 'cpus' can a core duo > 'quad' core support > > On Tue, Feb 21, 2012 at 2:59 PM, James B. Byrne <byrnejb at harte-lyne.ca> wrote: > > CentOS-6.2 > > > > What is the maximum number of cpus can I configure for a > > single vm guest running on a host with this hardware? > > > > # lscpu > > Architecture: x86_64 > > CPU op-mode(s): 32-bit, 64-bit > > Byte Order: Little Endian > > CPU(s): 4 > > On-line CPU(s) list: 0-3 > > Thread(s) per core: 1 > > Core(s) per socket: 4 > > CPU socket(s): 1 > > NUMA node(s): 1 > > Vendor ID: GenuineIntel > > CPU family: 6 > > Model: 23 > > Stepping: 10 > > CPU MHz: 1998.000 > > BogoMIPS: 5331.76 > > Virtualization: VT-x > > L1d cache: 32K > > L1i cache: 32K > > L2 cache: 2048K > > NUMA node0 CPU(s): 0-3 > > > > I ask this because it occurs to me that I may have missed > > something fundamental respecting the use of the initialism > > CPU vice the term Cores. > > > > > > -- > > *** E-Mail is NOT a SECURE channel *** > > James B. Byrne mailto:ByrneJB at Harte-Lyne.ca > > Harte & Lyne Limited http://www.harte-lyne.ca > > 9 Brockley Drive vox: +1 905 561 1241 > > Hamilton, Ontario fax: +1 905 561 0757 > > Canada L8E 3C3 > > > > _______________________________________________ > > CentOS-virt mailing list > > CentOS-virt at centos.org > > http://lists.centos.org/mailman/listinfo/centos-virt > > > The maximum you can assign to a single VM is the amount of CPUs > visible to the KVM host. So a quad core is shows as 4 CPUs to the OS, > so you could assign 4 vCPUs to a guest. To see how much is available > and seen by KVM run # virsh nodeinfo. > > - Trey > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt Hello, I think thats not correct. I my case I have a HP N36L Server with one Dualcore Prozessor and 4 guest running. You can overbook the prozessor. Maybe the performance goes down. Gruß Andreas Reschke ________________________________________________________________ Unix/Linux-Administration Andreas.Reschke at behrgroup.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20120222/bb6c4509/attachment-0006.html>