Experience with 100G Ceph in Proxmox

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Hello everyone,

We are running Ceph in Proxmox with a 10G network.

Unfortunately, we are experiencing very low read rates. I will try to implement the solution recommended in the Proxmox forum. However, even 80 MB per second with an NVMe drive is quite disappointing. Forum link <https://forum.proxmox.com/threads/slow-performance-on-ceph-per-vm.151223/#post-685070>

For this reason, we are considering purchasing a 100G switch for our servers.

This raises some questions:
Should I still use separate networks for VMs and Ceph with 100G?
I have read that running Ceph on bridged connections is not recommended.

Does anyone have experience with 100G Ceph in Proxmox?

Is upgrading to 100G a good idea, or will I have 60G sitting idle?

Thanks in advance!

Gio


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