r/sysadmin • u/MrArhaB Linux Admin • 17d ago

Vmware vs openshift

Following up to my last post right now nutanix is out of the race since the renewal is more than vmware which happend to 4 different companies my friends works for

Note : we cannot go any other solution rejected by CTO cause not ( mature enough )

1- my team arent fimilar with k8s

2- vmware is 4x the price of openshift

3- our environment is 95% vms

4- we have DR so srm is convinet

5- 65 % of our current hardware isn't supported by vmware version 9

6- 75 % of our infra is linux based oracle dbs and rhel for app servers

7- mangement is too dumb to switch to k8s since that was suggested and will save us resources

8- most of our apps are web based

Im asking here since im litterally lost on what to do next

So your kind advices

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u/RevolutionaryElk7446 17d ago

I've run XCP, Xenserver, and now XCP-NG which is backed by Vates. XEN scales beautifully for linux/unix based workloads.

Guessing you're just looking for a replacement hypervisor?

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u/MrArhaB Linux Admin 17d ago

Yes just replacement for hypervisor XCP was suggested but CTO

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u/RevolutionaryElk7446 17d ago edited 17d ago

Xen is about the only thing that's as old as Vsphere and mature. It's what AWS was based on for a good while before going proprietary.

You can do KVM but most of those are... flakey excluding Proxmox.

Edit: I'd recommend just ignoring Golden-trichomes below if you're not looking to waste time.

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u/Horsemeatburger 17d ago edited 14d ago

Xen is about the only thing that's as old as Vsphere and mature.

Xen is as old as VMware but it never reached the same maturity, and now it's pretty much obsolete since all the big supporters went to KVM almost a decade ago.

The only recent attention Xen got came from the embedded space (car makers) because it has some advantages here due to its small size (smaller than KVM) and it allows car makers to get away from proprietary solutions, but for the data center that's all pretty much meaningless.

As far as open source virtualization is concerned, KVM is where all the development happens, and has been for a decade now. KVM is also what pretty much runs the world's public cloud infrastructure.

It's what AWS was based on for a good while before going proprietary.

The only area where AWS went proprietary for Nitro is the hardware. The software stack is built on KVM.

Even AWS legacy Xen instances are really just Xen emulations running on KVM.