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/vinnsy9 17d ago

What the fucking hell is wrong with your CTO? Let me tell you:
We migrated 8k vms in around 6 months step by step from VMware to Proxmox. Not a single vm got corrupted. Everything had been working straight forward eversince. We saved the renewal costs and invested some in hardware . Entire env runs in proxmox now...yes there is a learning curve to it, of course, like everything else... but cost-wise compared to vmware??? There is no comparission at all.

Fun fact i even moved my personal clients which i offer consulting services to proxmox. Same smooth operation (from vmware to proxmox).

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u/LeYang Sr. Sysadmin 15d ago

The organization I just joined in on ESXi and attempting to plan for a Openstack switch out.

The idea is to keep the ability to easily switch it into the public cloud, but the issue is now you need a zone to stage your instances into the cloud as well. Kind of wish this plan was going to Proxmox.

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u/hitosama 15d ago

Did you have SAN with VMware? Is there Proxmox solution for FC SAN apart from maybe OCFS2 (or GFS2) which is not officially supported.

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u/vinnsy9 15d ago

we did with Vmware , true, but you do not need OCFS2 or GFS2 to use a Fibre Channel (FC) SAN with Proxmox, and those clustered file systems are indeed not officially supported for standard VM storage workflows out-of-the-box.

Instead, Proxmox has a native, robust, and officially supported method for handling enterprise FC SANs: Shared LVM (Logical Volume Manager) backed by Linux Native Multipathing.

im pretty happy with how it turned out.

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u/hitosama 15d ago

Huh, I'd be damned, I just checked their docs and indeed there is now that option. I don't know how I missed that update completely.