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 64b

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 Gilberto Nunes
2010/7/26 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 yo

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 dep

Re: [CentOS-virt] Vmware to KVM - possible?

2010-07-26 Thread Marc Morata
If you are using ESX/i remember that this hypervisor uses 2 kinds of disk type (in 4.0.x). VMDK monolithic flat and VMDK monolithic sparse. This disks types are directly supported from kvm. Monolithic flat is compounded for 2 files. * disk.vmdk is a text file with disk info * disk-flat.vmdk is

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 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... >

[CentOS-virt] SOLVED: Re: CentOS 5.4 KVM: PXE boot problem

2010-07-26 Thread Momonth
Having installed the following packages the problem was solved: kernel-2.6.18-194.8.1.el5 kvm-83-164.el5 kmod-kvm-83-164.el5 etherboot-roms-kvm-5.4.4-13.el5.centos etherboot-zroms-kvm-5.4.4-13.el5.centos Cheers, Vladimir 2010/7/19 Momonth : > Hi All, > > I'm playing with KVM in order to adopt th

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 : > 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

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 ye

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

2010-07-26 Thread Gilberto Nunes
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

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 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 > -- > Gi

[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 m

Re: [CentOS-virt] Vmware to KVM - possible?

2010-07-26 Thread Alexander Dalloz
> > Is it possible to convert a VMWare image to KVM? > As I have been building a few test machines on Vmware Fusion and would > like > to migrate some to a KVM server. > > Thanks in advance. > > Matt Keating > Linux System Admin Yes. Using qemu you can convert from .vmdk to qcow(2) or raw for inst

Re: [CentOS-virt] Vmware to KVM - possible?

2010-07-26 Thread Sergiy Yegorov
I have successfully migrated VM`s from ESXi to KVM. To convert disk I use next command: qemu-img convert -f vmdk -O qcow2 dist-flat.vmdk disk.img You also can use raw instead of qcow2. But I have some troubles with MS Windows machines. It falls to BSoD caused by lame disk drivers. Mon 26 July 20

Re: [CentOS-virt] Can I install Slackware 13.1 as Xen-Guest?

2010-07-26 Thread compdoc
I use the desktop and the virt manger gui to setup and install, so I get to watch the boot… ___ CentOS-virt mailing list CentOS-virt@centos.org http://lists.centos.org/mailman/listinfo/centos-virt

Re: [CentOS-virt] Vmware to KVM - possible?

2010-07-26 Thread Marc Morata
KVM supports VMDK monolithic sparse, qcow2 and raw. You can convert using VBoxManage or qemu-img to this formats Marc Morata | Senior Support Engineer | Abiquo | +34 93 322 00 44 | marc.mor...@abiquo.com On Mon, Jul 26, 2010 at 7:05 PM, Matt Keating wrote: > Is it possible to convert a VMWar

Re: [CentOS-virt] Can I install Slackware 13.1 as Xen-Guest?

2010-07-26 Thread Eric Searcy
On Jul 26, 2010, at 7:05 AM, Wendy William wrote: > No error message. The installation show Slackware boot: press ENTER or F2. > But when I press ENTER or F2 then nothing happend. > > I am using Slackware 13.1 32 bit. I haven't done this since Slackware 11 for a client, but at the time the Sla

[CentOS-virt] Vmware to KVM - possible?

2010-07-26 Thread Matt Keating
Is it possible to convert a VMWare image to KVM? As I have been building a few test machines on Vmware Fusion and would like to migrate some to a KVM server. Thanks in advance. Matt Keating Linux System Admin   Dennis Interactive 30 Cleveland St, London, W1T 4JD Tel: 020 7907 6823 (direct line)

Re: [CentOS-virt] Can I install Slackware 13.1 as Xen-Guest?

2010-07-26 Thread Wendy William
No error message. The installation show Slackware boot: press ENTER or F2. But when I press ENTER or F2 then nothing happend. I am using Slackware 13.1 32 bit. > >From: compdoc >To: Discussion about the virtualization on CentOS >Sent: Sat, July 24, 2010 10:23:19 PM >Subject: Re: [CentOS-vir