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Thread: OpenVZ, Xen or KVM
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03-25-2011, 05:41 AM #1Newbie
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OpenVZ, Xen or KVM
Hi,
I want to start offering VPS.
Which type of virtualization should I use ?
Please help me and also let me know the differences.
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03-25-2011, 06:07 AM #2Disabled
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I will choose XEN, it is more widely popular nowdays and is preferred by clients.
XEN has alot of features as PPTP and run some special scripts, you also get dedicated RAM if you don't use the ballon function in XEN.
Ballon function is like to oversell in XEN VPS - http://www.lowendbox.com/blog/how-to...elling-memory/
Some developers KVM to due to the nature because like the traditional way, they prefer because some applications only suitable KVM.
OpenVZ is decreasing and ok in terms of review and people experience. OpenVZ is still updated everytime but it is not so popular.
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03-25-2011, 06:13 AM #3Junior Guru Wannabe
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If you aim at reliable service, Xen will be a very good choice.
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03-25-2011, 06:35 AM #4Newbie
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I am new to this. But how is xen more reliable ?
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03-25-2011, 06:37 AM #5Disabled
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Read Here: http://hostingfu.com/article/xen-or-openvz
WHT - The good thread about XEN - http://www.webhostingtalk.com/showthread.php?t=942058
Those links will really help you.
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03-25-2011, 06:40 AM #6Junior Guru Wannabe
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03-25-2011, 07:29 AM #7Web Hosting Master
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03-25-2011, 07:57 AM #8Junior Guru
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and this is for Xen VS KVM. http://www.michaeldolan.com/1192
Carstensz Pyramid Server
...:::::: KVM |||| VPS ::::::...
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03-25-2011, 08:44 AM #9Disabled
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03-25-2011, 09:34 AM #10Web Hosting Evangelist
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03-25-2011, 09:54 AM #11Disabled
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Yes, that is right, most host don't say this, but the xen ballon function is used to oversell ram to other vps and will not allocate the true dedicated amount.
Anyway, Xen PV and HVM, is still a better choice in different ways.
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03-25-2011, 11:22 AM #12Junior Guru Wannabe
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I prefer Xen and KVM. I don't like OpenVZ.
█ 1 VPS @ star-hosting
█ 1 VPS @ xenSmart
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03-25-2011, 03:55 PM #13Retired Moderator
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Xen/KVM will provide better isolation while OpenVZ provides higher bursting capabilities.
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03-25-2011, 06:04 PM #14Web Hosting Master
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If I was to start a VPS business tomorrow I'd go with KVM. Why?
- It's great technology,
- It provides the user with a much more dedicated-server-like environment than OpenVZ,
- It's very under-represented in the current market.
Do a survey of the 'VPS Offers' forum here and look at lowendbox.com. The ratio of OpenVZ : Xen : KVM is something like 100 : 10 : 1
For a new start-up business, KVM offers a nice niche market of discerning clients that have some understanding of the technology.
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03-25-2011, 06:36 PM #15Web Hosting Master
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KVM for me. Never liked Xen really.
Also for those using rhel/centos, future support is for KVM, Xen being dropped from Rhel 6 onwards. Not that you won't be able to run it, just it isn't going to be supported anymore by Redhat.
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03-25-2011, 06:51 PM #16Junior Guru
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as far as i know, not only rhel/centos. KVM is supported by Linux in general (Kernel).
excerpt :
If you want to run a Xen host, you need to have a supported kernel. Linux doesn't come with Xen host support out of the box, though Linux has been shipping with support to run natively as a guest since the 2.6.23 kernel. What this means is that you don't just use a stock Linux distro to run Xen guests. Instead, you need to choose a Linux distro that ships with Xen support, or build a custom kernel. Or go with one of the commercial solutions based on Xen, like Citrix XenServer. The problem is that those solutions are not entirely open source.
excerpt :
The choice of KVM vs. Xen is as likely to be dictated by your vendors as anything else. If you're going with RHEL over the long haul, bank on KVM. If you're running on Amazon's EC2, you're already using Xen, and so on. The major Linux vendors seem to be standardizing on KVM, but there's plenty of commercial support out there for Xen. Citrix probably isn't going away anytime soon.Carstensz Pyramid Server
...:::::: KVM |||| VPS ::::::...
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03-25-2011, 06:54 PM #17Web Hosting Master
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I was referring to the fact that Redhat were dropping Xen. Of course all linux os will support KVM, as it's built in to the linux kernel.
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03-25-2011, 07:14 PM #18Junior Guru
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yup! and i was referring to the fact that KVM is the only one virtualization technology embedded on linux kernel.
Carstensz Pyramid Server
...:::::: KVM |||| VPS ::::::...
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03-25-2011, 08:06 PM #19Web Hosting Master
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Yeah, sweet as cpservr.. I get what you were saying after the fact.
That's the reason I never liked Xen, well one of them anyway.
If I was starting new with a vps host, I would be using KVM for sure anyway, if I didn't want to use other proprietary software (vmware, xenserver etc).
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