How about testing the actual network throughput with iperf? Even today there are speed/duplex mismatches on switch ports. And what everyone else said about saturation etc.
We get, at absolute worst, 600 MB/s on a 10G connection. -- Alex Gorbachev https://alextelescope.blogspot.com On Tue, Mar 11, 2025 at 6:57 AM Giovanna Ratini < [email protected]> wrote: > 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 > > > _______________________________________________ > ceph-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] > _______________________________________________ ceph-users mailing list -- [email protected] To unsubscribe send an email to [email protected]
