@jerry1333 I have an empty server in a pool, I do see some regulare bumps in the network, probably XOA polling RRDs for the stats from the master.
but no spikes in CPU as you have
[image: 1775580360563-b953cca1-d4fc-4457-a542-67680ddec4f9-image.jpeg]
Different use cases: Ceph is better with more hosts (at least 6 or 7 minimum) while XOSTOR is better between 3 to 7/8.
We might have better Ceph support in the future for large clusters.