[PVE-User] mi first cluster

[Leandro Roggerone]

Hi guys :
Im preparing my second proxmox box to create my first cluster.
IT does not contain any usefull data yet , so I can play aorund a little
bit.
Have some questions.
Is it possible to create a cluster with only two boxes ?
I understood it is possible , but can not move VMs without service
disruption.
And if I want to move VMs without services disruption I need a third box.

What is ceph storage for ?
what is ZFS pool for  ?
In case I need I can add it on any of my available bays o any box ?

Do pve boxes need to be on same network subnet ?
I have two datacenters , I was thinking in the idea to install them on each
location just for redundancy.
Lets supose network connection performance is optimal ... Is there any
problem with that ?
Any other clustering good practice advice would be wellcome.
Thanks.

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