[PVE-User] CEPH performance

José Manuel Giner jm at ginernet.com
Wed Jun 10 16:24:25 CEST 2020


Note that with only 10 Gbps network, you will get only 1 GB/s wich is 
only the 25-30% performance of a NVMe.

To profit the 100% performance of a NVMe you need at least a 40G network.



On 09/06/2020 19:46, Marco Bellini wrote:
> 
> Dear All,
> I'm trying to use proxmox on a 4 nodes cluster with ceph.
> every node has a 500G NVME drive, with dedicated 10G ceph network with 9000bytes MTU.
> 
> despite off nvme warp speed I can reach when used as lvm volume, as soon as I convert it into a 4-osd ceph, performance are very very poor.
> 
> is there any trick to have ceph intro proxmox working fast?
> 
> thank you everybody for any advice.
> 
> 
> 
> -- .- -.-- / - .... . / ..-. --- .-. -.-. . / -... . / .-- .. - .... / -.-- --- ..- -.-.--
> 
> Marco Bellini
> 
> 
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> 

-- 
José Manuel Giner
https://ginernet.com



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