Signed-off-by: Aaron Lauterer <a.laute...@proxmox.com>
---
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.
--
2.39.2
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