Convergence by any other name:

Proxmox, VSAN, etc.

Sure, why not? Performance might not be stellar, but it sounds like you 
probably don’t need it to be.
Look into dedicating a couple of cores to Ceph if you can, to avoid contention 
with compute tasks.

How many nodes do you have?

> 
> I'm running a small kubernetes cluster in the office which is mostly used for 
> gitlab runners. But there are some internal services we would like to run in 
> it, which would require persistent storage.
> 
> So here's my idea on how to solve this problem: Add a 1TB SSD in each worker 
> node and let ceph use these disks for storage.
> 
> The nodes are all simple, they just have a single disk and does nothing other 
> than run kubernetes. So I can install sdb in each and have a completely 
> uniform setup which I hope will make installation simpler.
> 
> Does this setup make sense? I'm not worried about the amount of disk space in 
> the ceph cluster, it's going to be way more than I need. So it's more a 
> question of whether someone who truly understands ceph thinks this is a good 
> or a bad idea?
> 
> I would appreciate any thoughts you have about this idea for a setup.
> 
> Thank you,
> 
> Bo Thorsen.
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