On Mon, Jul 26, 2010 at 2:03 PM, Gilberto Nunes <gilberto.nunes32 at gmail.com> wrote: > Hi Victor... > Me too!... > When the year started, I installed a server with Xen 4.0, with > 2.6.31.13 pvops kernel > We have 15 VM on a Dell PowerEdge 1950 with 16 GB of memory and SAS disks... > This sound like crazy thing I know that... > All VM runs Windows 2003 Servers... > Now I see that the performance on VM has decrease so much... > Perhaps I would change to KVM from xen??? > > What you thing about??? > > 2010/7/26 Victor Padro <vpadro at gmail.com>: >> On Mon, Jul 26, 2010 at 1:30 PM, Gilberto Nunes >> <gilberto.nunes32 at gmail.com> wrote: >>> Friends >>> I'm in doubt here: which virtualization platform to choose and why? >>> >>> If I have just installed a VM I choose Xen or KVM? >>> And when I have more than 5 or 10 VM's? >>> >>> Please, I need your help to choose right. >>> >>> Thanks >>> -- >>> Gilberto Nunes >>> _______________________________________________ >>> CentOS-virt mailing list >>> CentOS-virt at centos.org >>> http://lists.centos.org/mailman/listinfo/centos-virt >>> >> >> It depends on which clients are you going to virtualize, personally I >> like using KVM for the simplicity to run Windows and Linux guests. >> >> -- >> Linux User #452368 >> http://twitter.com/vpadro >> >> "Everything that irritates us about others can lead us to an >> understanding of ourselves" >> _______________________________________________ >> CentOS-virt mailing list >> CentOS-virt at centos.org >> http://lists.centos.org/mailman/listinfo/centos-virt >> > > > > -- > Gilberto Nunes > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt > Perhaps you could run a test lab with the same VMs under KVM, but I can assure you performance will not be overkill, just 5-7% more, nevertheless KVM seems to be more stable on my Server Xeon X3440, 8GB, PERC 6, 8TB running 8 Windows 2K3 R2 VMs, it has been running for six months now without downtime. Saludos. -- Linux User #452368 http://twitter.com/vpadro "Everything that irritates us about others can lead us to an understanding of ourselves"