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So we did a few tests with fio on a VM. We've used 1, 5 and 10 Threads (Numjobs) Here are the results: Host 1 Host 2 Host 3 Host 4 IOPS 322 / 652 / 970 344 / 800 / 1129 316 / 740 / 1035 440 / 939 / 1172 BW 1290KiB/s / 2611KiB/s / 3883KiB/s 1377KiB/s / 3201KiB/s / 4520KiB/s 1265KiB/s...

Ceph is on version 14.2.8, We have Micron 1.92 TB SSDs

Thanks for your response. We rule bottlenecks in our network out, as our monitoring doesn't show any significant traffic. Average traffic is about 2 Gbps.

They're connected with 10Gbps.

Hi there, We have a Proxmox cluster of 6 SSD-hosts. Those SSDs are in a CEPH-Cluster. Before we used CEPH, the nodes had local storage only and everything worked fine. But now, newly created Windows VMs have a performance problem. Every action takes about 3 - 5 seconds to complete. We have 5...

Thanks spirit! We changed to unicast on every node and now the nodes are seeing each other again.

Hi narrateourale Thanks for your response. We are using the following versions: Node1: proxmox-ve: 5.4-1 (running kernel: 4.15.18-15-pve) pve-manager: 5.4-6 (running version: 5.4-6/aa7856c5) pve-kernel-4.15: 5.4-3 pve-kernel-4.15.18-15-pve: 4.15.18-40 pve-kernel-4.15.18-12-pve: 4.15.18-36...

Hi there, We have a proxmox cluster, with each node in the same subnet. The cluster contained 3 hosts and everything worked as it should in the last years. Recently we wanted to add a new host to the cluster. This host is also in the same subnet, nothing changed in the network confugration...