Server Virtualization Software Forum

Content Specialist
IT Central Station
May 01 2018
One of the most popular comparisons on IT Central Station is KVM and vSphere. People like you are trying to decide which one is best for their company. Can you help them out? What is the biggest difference between these two solutions? Which would you recommend as a Server Virtualization Software? Thanks for helping your peers make the best decision! --Rhea
Ulrich VogtService Virtualization has nothing to do with KVM and vSphere. KVM and vSphere are tools/environments to virtualize systems/servers, not services. Service Virtualization is used to virtualize a Web service or a Message-based service. KVM and vSphere are used to virtualize Linux or Windows systems. So, I assume you got confused by the very similar name of both. If I misunderstood the questions, please let me know. I am happy to help. BTW, you can run Service Virtualization on virtualized Linux and Windows boxes. There are many of comparisons of KVM and vSphere on the internet, see, for instance, https://community.spiceworks.com/virtualization/articles/2768-server-virtualization-is-a-free-hypervisor-good-enough-or-should-you-pay Hope that helps.
Jun Kai NgKVM is a simple and OpenStack-preferred virtual machine manager. vSphere is a different beast altogether, as it is expensive and ridden with lots of add-ons for VM infrastructure provisioning. One answer to your question will be a company that can afford and wants to have a stable and long-term VM infrastructure can consider VMWare, as KVM is considered as a bare-bone VM manager. The actual comparison should be between VMWare and OpenStack, as one is paid and one is free to deploy. The deployment for OpenStack can be a little trial and error as it is free and modular, and VMWare is fully-packaged, and it is easier for you to deploy, but at a cost that is calculated by per host.
Aernoud van de GraaffIf you run applications that are not relying on infra you can run that on KVM. VSphere offers more functionallity to support the application from a infra perspectve. Most traditional enterprise apps I would not run on KVM, also taking into account the support you may need, but apps build for OStack or OShift should run fine. From a cost perspective VMware is mire expensive to buy, but from a TCO perspective that may flip depending on the workloads you are running. Don’t get blinded by SW being ‘free’. It never is, weather you have to buy support, or arrange / deliver it yourself, you have to give back to the open community, and may need more tiols or scripts if you need to cover functionality you need that is not Standard avalable in KVM, again depending on your workloads and their requirements
Content Specialist
IT Central Station
Mar 15 2018
One of the most popular comparisons on IT Central Station is Proxmox VE vs XenServer  Which of these two solutions would you recommend for Server Virtualization Software? Why? Thanks!--Rhea
Fábio RabeloMy 5 cents : Go with Proxmox . It is NOT just a wrapper for KVM, it has a lot of features that are not present in plain KVM . It is extremely easy to set it up, you can have a 16 node cluster up and running in a single day of work ! Everything you need to manage your storage space, whatever it is, shared or centralized, CEPH, DRBD, iSCSI, NFS, ZFS or any other File System supported by Linux . You even have some VDI oriented features . The web interface are straightforward and very intuitive . All of it with less than a half of the cost of XEN ( or a mere fraction of the cost of VMWare or HyperV ) I am using it for 10 years or so, since 2.2 version . And, you can try it without any cost or vendor support, just download the image and install, use it for a month, if you thing that Proxmox do not have all the features you need, then go to something else. it won't hurt your budget .
Mario-FernandezIt's easy, with the new version of XenServer you lose several features that you will need on production: https://xenserver.org/blog/entry/xenserver-7-3-changes-to-the-free-edition.html Use Proxmox VE. :)
Lead, UNIX and Storage Infrastructure at a financial services firm with 10,001+ employees
I need to compare platforms running Linux and AIX in terms of performance and cost as it concerns implementing Finacle banking application. This is for a customer database of about 8 million and database size of about 16TB.

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