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Linux - Virtualization and Cloud This forum is for the discussion of all topics relating to Linux Virtualization and Linux Cloud platforms. Xen, KVM, OpenVZ, VirtualBox, VMware, Linux-VServer and all other Linux Virtualization platforms are welcome. OpenStack, CloudStack, ownCloud, Cloud Foundry, Eucalyptus, Nimbus, OpenNebula and all other Linux Cloud platforms are welcome. Note that questions relating solely to non-Linux OS's should be asked in the General forum.


View Poll Results: Best Virtualization Platform
Xen 10 12.82%
KVM 14 17.95%
OpenVZ 0 0%
VirtualBox 38 48.72%
VMware 15 19.23%
FreeVPS 0 0%
Linux-VServer 1 1.28%
OpenVZ 0 0%
Voters: 78. You may not vote on this poll

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Old 10-15-2009, 08:52 AM   #16
Registered: Feb 2002
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Originally Posted by Tinkster View Post
I miss zVM in the list :}
Tinkster, as a moderator, are you able to edit the poll? If so, can you add the options people have asked for?
Old 10-15-2009, 10:18 AM   #17
LQ Newbie
Registered: Aug 2007
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Question Using VMware Server like to switch to VirtualBox

We are currently running several host systems with vmware server2.0 each host as several guest systems running various versions of linux or windows. We are limited by the two processor max on vmware server even though each of our servers have eight cores. I am wondering if the new Virtual Box implementation which supports over 8 virtual cpus would be a better mactch for us. Any opinions.
What would we lose?
What would we gain?
Old 10-15-2009, 10:20 AM   #18
Registered: Dec 2007
Location: Canada
Distribution: RHEL,Fedora
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switch over to KVM and libvirt - no limits
Old 10-15-2009, 11:27 AM   #19
Registered: May 2008
Location: Chicago, IL
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I'd have to go with Virtualbox. I've used it to test multiple Operating Systems, and use it to run a windows compiling Virtual Machine. Works well and have had no issues with it.
Old 10-15-2009, 12:21 PM   #20
Registered: Apr 2002
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Distribution: slackware by choice, others too :} ... android.
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Originally Posted by mrtwice View Post
Tinkster, as a moderator, are you able to edit the poll? If so, can you add the options people have asked for?
I'm afraid I can't :/

Jeremy could.
Old 10-15-2009, 12:57 PM   #21
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Registered: Feb 2007
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which virtualization platform queston

Originally Posted by mrtwice View Post
Which virtualization platform would you recommend for the greatest balance of performance, reliability, and community support.

Let me know if I need to add some options.
I think some other important criteria are:
  • cost
  • management tools - re deploy, manage, monitor your VMs
  • scalability re. can you scale internally or externally if you need to using the same environment choice

VMware has a great environment ... but its not cheap. Especially if you require High Availability etc.

XEN is widely used and quite stable

KVM is the relatively new kid on the block but it holds a great deal of promise. I think that's evident with the move of both Red Hat and Ubuntu to focus on KVM. Note Red Hat's recent purchase of Qumranet.
Old 10-15-2009, 01:11 PM   #22
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Registered: Feb 2007
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Good but simple paper on KVM benefits

I've used vmware, kvm, XEN, virtualbox, qemu.

I'm spending more time lately with KVM because I think its cost (free) but also its inherent architecture is better.

Here is a good short paper on KVM by Qumranet (now part of Red Hat)
Old 10-15-2009, 01:52 PM   #23
Registered: Oct 2008
Location: England
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Originally Posted by ogee View Post
Linux Journal (Nov.2009) did a head to head comparison between VMWare, VirtualBox and KVM with VirtualBox coming out best over all.
Wow! You've traveled through time?
Old 10-15-2009, 05:03 PM   #24
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Distribution: CentOS
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We are using OS virtualization at this time (Virtuozzo), but the short term plans are to set up and KVM based infrastructure.
Old 10-16-2009, 01:05 AM   #25
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I don't have much to contribute here, as I have only tried two of the listed programs.
On my 64-bit WinXP machine I first tried VMware, found it very aggravating to set up, tried VBox, went much smoother, thought the Help is pretty naff. Anyway, I'm now using VBox, running 64-bit Debian. Not without problems, which I could probably solve if I spent enough time on them, which I don't have, my general complaint is the Help very often isn't, so it takes a long time to make things work the way one would like. This especially refers to communicating with various peripherals.
Old 10-16-2009, 01:23 AM   #26
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I go for Xen as it has best memory management and support both para and full virtualization
Old 10-16-2009, 08:54 AM   #27
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Location: New York
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Smile I would vote for Oracle VM but then ...

My experience with other VM platforms is limited to the older version VMware but I have been working with Oracle VM for quite a few months now.

Based on Redhat's virtualization, Oracle has a VM manager on a Linux host to provide a user interface and dedicated VM servers to host the guests. Being OpenSource, the software is free but support has to be paid for.

Oracle has declared that they will not support any of its proprietary software (database, application server, etc) on virtualization issues if they are not on Oracle VM. Which is why I have been running Oracle databases and Application servers on it for several months already.

On all instances, the databases and application servers I installed on Linux hosts have been running flawlessly. While they are not used for production, our development groups have been using them heavily and I have had no performance issues with any of them. I have just acquired two Dell R710 servers which I am in the process of setting up as an HA cluster. Once these are set up I shall be able to test the automatic failover capabilities of Oracle VM on Oracle databases and Application servers.

Obviously, my vote would be for Oracle VM at this point.
Old 10-16-2009, 02:26 PM   #28
Forrest Coredump
Registered: Oct 2009
Location: Southwestern United States
Distribution: Redhat Enterprise Linux 4-5 (Current RHCE), Fedora Core 11 (FC11), Arch Linux, BT3 (Current GCIH)
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Looking at the Linux Journal review, it's obvious that Virtual Box is ahead of the rest according to Kyle Rankin, over at LJ (at least in the Free Software realm). If VMWare ESX were being factored in here, there wouldn't be much comparison (usability, performance, scalability, etc...) In fact, the LJ "shootout" is a bit schizophrenic in the fact that KVM is being lumped into and compared with small/medium business/personal echnologies, when it is/will be a very competitive product (and more than able to take the Pepsi Challenge with ESX).

Speaking personally, after a hands on with the tech-preview KVM/libvirt/MRG technology at RH Summit, seeing the roadmap, and noting the amount of polish and forethought being applied, I'm putting my money on KVM giving ESX a serious run for it's money - especially when considering the broad architectural approach RH is taking with thir overall Storage/OS/Application and thir stack(s).

Last edited by Forrest Coredump; 10-16-2009 at 02:28 PM.
Old 10-16-2009, 02:52 PM   #29
Registered: Feb 2004
Location: Manorville, New York, USA
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I never really got around to trying virtualization although I was really curious. Since switching to Fedora as my main distro I decided to give KVM a try. I must say I'm impressed. The virt-manager makes setup really easy.
Old 10-25-2009, 07:09 AM   #30
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XenServer is the best

Originally Posted by mrtwice View Post
Which virtualization platform would you recommend for the greatest balance of performance, reliability, and community support.

Let me know if I need to add some options.
I have been testing XenServer product from past 2 years and i can tell XenServer is great in performance and reliability than any other product in market. Its true that VMware is far more famous in market and has many advance options to manage servers. But Xenserver with its current functionality is very stable and there are many new features coming very soon...



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