From d4ee0a1992c579eeb393c0941f9e3f246ac5df11 Mon Sep 17 00:00:00 2001 From: Aaron Lauterer Date: Mon, 20 Nov 2023 16:48:30 +0100 Subject: [PATCH] pvecm: expand on public/cluster networks Signed-off-by: Aaron Lauterer --- pveceph.adoc | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/pveceph.adoc b/pveceph.adoc index 56d745a..0720941 100644 --- a/pveceph.adoc +++ b/pveceph.adoc @@ -241,22 +241,26 @@ The configuration step includes the following settings: [[pve_ceph_wizard_networks]] * *Public Network:* This network will be used for public storage communication - (e.g., for virtual machines using a Ceph RBD backed disk, or a CephFS mount). - This setting is required. + (e.g., for virtual machines using a Ceph RBD backed disk, or a CephFS mount), + and communication between the different Ceph services. This setting is + required. + - Separating your Ceph traffic from cluster communication, and possible the - front-facing (public) networks of your virtual gusts, is highly recommended. - Otherwise, Ceph's high-bandwidth IO-traffic could cause interference with - other low-latency dependent services. + Separating your Ceph traffic from the {pve} cluster communication (corosync), + and possible the front-facing (public) networks of your virtual guests, is + highly recommended. Otherwise, Ceph's high-bandwidth IO-traffic could cause + interference with other low-latency dependent services. [thumbnail="screenshot/gui-node-ceph-install-wizard-step2.png"] * *Cluster Network:* Specify to separate the xref:pve_ceph_osds[OSD] replication - and heartbeat traffic as well. + and heartbeat traffic as well. This setting is optional. + Using a physically separated network is recommended, as it will relieve the Ceph public and the virtual guests network, while also providing a significant Ceph performance improvements. + + + The Ceph cluster network can be configured and moved to another physically + separated network at a later time. You have two more options which are considered advanced and therefore should only changed if you know what you are doing. -- 2.39.5