Is Ceph appropriate for small installations?

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I recently built a 3 node Proxmox cluster for my office.  I’d like to get HA setup, and the Proxmox book recommends Ceph.  I’ve been reading the documentation and watching videos, and I think I have a grasp on the basics, but I don’t need anywhere near a petabyte of storage.

 

I’m considering servers w/ 12 drive bays, 2 SDD mirrored for the OS, 2 SDDs for journals and the other 8 for OSDs.  I was going to purchase 3 identical servers, and use my 3 Proxmox servers as the monitors, with of course GB networking in between.  Obviously this is very vague, but I’m just getting started on the research.

 

My concern is that I won’t have enough physical disks, and therefore I’ll end up with performance issues.

 

I’ve seen many petabyte+ builds discussed, but not much on the smaller side.  Does anyone have any guides or reference material I may have missed?

 

Thanks in advance and have a nice weekend.

 

Tony



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