Poor perfomance Proxmox VE 7 + Ceph


New Member
May 24, 2022

I have a problema and no loca

My config:

My configuration is:
3 x Tiny Lenovo i5 8 series
Every tiny with 16Gb ram ( Tuesday amp to 64Gb)
1 SSD install the PVE
1 NVME 1TB (planned CEPH)
3 x LAN USB 2.5Gb ( 1 x tiny)
Switch Zyxel Multigibagit L2

My config LAN is
1GB Nic for Admin PVE

Ip: 192.168.55.xx every admin tiny in 1Gb Nic.
IP: 10.100.100.xx every tiny in cluster and CEPH in 2.5Gb

I test perfomance disk with rado and no pass that 110Mb!!

What is the problem? all traffic discs OSD is for lan 2,5Gb the minimum transfer should be.


Any idea??

The output is in MB not Mb, so not that bad. It uses 40% of your bandwidth, but your IOPS is VERY bad. What SSD and NVMe is this? Probably not suitable for CEPH.

The NVME is basics, are basic, I'm thinking of changing them for a samsung 980 pro of 1Tb

but I believe that the CEPH is not for the discs, it is for something else.
If you want good sync IOPS, get a NVMe that is datacenter/enterprise grade with powerloss protection.


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get your own in 60 seconds.

Buy now!