Hello All,
I'm starting to setup a Ceph cluster and am confused about the
recommendations for the network setup.
In the Mimic manual I can read
"We recommend running a Ceph Storage Cluster with two networks: a public
(front-side) network and a cluster (back-side) network."
In the Nautilus manual there is
"Ceph functions just fine with a public network only, but you may see
significant performance improvement with a second “cluster” network in a
large cluster.
It is possible to run a Ceph Storage Cluster with two networks: a public
(front-side) network and a cluster (back-side) network. However, this
approach complicates network configuration (both hardware and software)
and does not usually have a significant impact on overall performance.
For this reason, we generally recommend that dual-NIC systems either be
configured with two IPs on the same network, or bonded."
Am I misunderstanding something or is "significant performance
improvement" and "does not usually have a significant impact on overall
performance" in the Nautilus doc contradictory? So, which way to go?
Thank you very much
Willi
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