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The simplest thing to set also is to make sure you are using writeback
cache in your vms with ceph. It makes a huge difference in performance.
On Wed, 10 Jun 2020, 07:31 Eneko Lacunza, <elacu...@binovo.es> wrote:
> Hi Marco,
> El 9/6/20 a las 19:46, Marco Bellini escribió:
> > 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?
> What is "very very poor"? What specs have the Proxmox nodes (CPU, RAM)?
> AFAIK, it will be a challenge to get more that 2000 IOPS from one VM
> using Ceph...
> How are you performing the benchmark?
> Zuzendari Teknikoa / Director Técnico
> Binovo IT Human Project, S.L.
> Telf. 943569206
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