You could use a single sever with vms on local storage. Or connected to remote storage such as nfs.
There are drawbacks of course. You could not keep vms running if host is down or for upgrades etc.
For any kind of high availability you’d want at least two severs with remote storage, but then your storage could potentially be a single point or failure if it’s not redundant.
Ideally the best smaller scale setup for ovirt is using three severs for hyper converged infrastructure. Storage is spread across the three hosts using glusterfs and allows for one host of the three to be taken down at any given time without while keeping vms running.
On Sat, Jul 31, 2021 at 4:12 AM rp.neuli--- via Users <
users@ovirt.org> wrote:
Hello,
sorry for a very basic question. But I searched the net for the basic answer and did not get it.
How many servers do I need to run oVirt software? I understand I can access management GUI from anywhere on subnet but naming and they it is explained is confusing to me.
I am planning to buy a bigger server (just one to use as compute host) with dual cpu and about 64GB RAM. I am thinking to run my webservers as VM on this proposed machine.
I thought it was a level 1 hypervisor (then why does it say some places that I need CentOS or RH on my server?)
I also have a FreeNAS server, I was thinking if it was possible to keep my VMs stored on there and run/load/execute them on this so-called-compute server.
Will I have to build and keep my VMs (when powered down) on oVirt machine only?
finally what will I loose in comparison to free vSphere, if I select oVirt?
Thank you.
Rajeev
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