Re: [CentOS-virt] which virtualization platform to choose

2010-07-28 Thread Grant McWilliams
On Tue, Jul 27, 2010 at 10:52 PM, Luke S Crawford l...@prgmr.com wrote: Grant McWilliams grantmasterfl...@gmail.com writes: I'm not sure any of the rest of us have ever had to recompile the kernel to get xen to work either. I have 160 or so DomUs on CentOS Dom0s and still haven't

[CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Gilberto Nunes
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

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Victor Padro
On Mon, Jul 26, 2010 at 1:30 PM, Gilberto Nunes gilberto.nune...@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.

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread compdoc
KVM seems to have a future in centos. I have a couple of servers running kvm, with only 4 cores per server. I tend use 1 real core for each virtual cpu assigned to the guests, because I don't need that many guests. So, I can't speak to scaling... Performance is excellent, however. It's been a

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Gilberto Nunes
Hi... How manu guest do you running?? thanks 2010/7/26 compdoc comp...@hotrodpc.com: KVM seems to have a future in centos. I have a couple of servers running kvm, with only 4 cores per server. I tend use 1 real core for each virtual cpu assigned to the guests, because I don't need that

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Victor Padro
On Mon, Jul 26, 2010 at 2:03 PM, Gilberto Nunes gilberto.nune...@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

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Pasi Kärkkäinen
On Mon, Jul 26, 2010 at 03:30:38PM -0300, Gilberto Nunes 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. It depends on

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Gilberto Nunes
2010/7/26 Pasi Kärkkäinen pa...@iki.fi: On Mon, Jul 26, 2010 at 03:30:38PM -0300, Gilberto Nunes 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

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread Eric Searcy
On Jul 26, 2010, at 12:03 PM, Gilberto Nunes wrote: [...] What you thing about??? As far as running 15 VMs, whether your hardware is suited to do that depends on how many spindles worth of SAS drives you have (improves concurrency), how busy your VMs are (IO and proc), how much the guests are

Re: [CentOS-virt] which virtualization platform to choose

2010-07-26 Thread compdoc
If you want to use 32bit host OS, then you only have one choice - Xen. Yes... All software is 32 bits I think he meant if you had a 32bit host to run the guests on, and did not mean 32bit guests. If your hardware has virt extensions, then it's a 64bit host. KVM certainly runs 32bit and 64bit