I was on a team that had a tiny (a few GBs) Ceph cluster because it was the easiest option for high availability of these files that we really wanted to have on

I was on a team that had a tiny (a few GBs) Ceph cluster because it was the easiest option for high availability of these files that we really wanted to have on premise. There were never any issues so I can believe what you're saying. Still, for the amount of data I work with, the cloud storage usually wins.