* [pve-devel] applied: [PATCH docs] pvecm: improve SSH section
@ 2020-11-25 11:42 Fabian Grünbichler
0 siblings, 0 replies; only message in thread
From: Fabian Grünbichler @ 2020-11-25 11:42 UTC (permalink / raw)
To: pve-devel
reword some parts, fix wrong information about port forwarding
Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
---
pvecm.adoc | 18 ++++++++++--------
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git a/pvecm.adoc b/pvecm.adoc
index cbbcf60..0fad203 100644
--- a/pvecm.adoc
+++ b/pvecm.adoc
@@ -872,17 +872,19 @@ If you see a healthy cluster state, it means that your new link is being used.
Role of SSH in {PVE} Clusters
-----------------------------
-{PVE} utilizes SSH tunnels for various operations.
+{PVE} utilizes SSH tunnels for various features.
-* Proxying terminal sessions of node and containers between nodes
+* Proxying console/shell sessions (node and guests)
+
-When you connect another nodes shell through the web interface, for example, a
-non-interactive SSH tunnel is started in order to forward the necessary ports
-for the VNC connection.
+When using the shell for node B while being connected to node A, connects to a
+terminal proxy on node A, which is in turn connected to the login shell on node
+B via a non-interactive SSH tunnel.
-* VM and CT memory and local-storage migration, if the cluster wide migration
- settings are not configured 'insecure' mode. During a VM migration an SSH
- tunnel is established between the target and source nodes.
+* VM and CT memory and local-storage migration in 'secure' mode.
++
+During the migration one or more SSH tunnel(s) are established between the
+source and target nodes, in order to exchange migration information and
+transfer memory and disk contents.
* Storage replication
--
2.20.1
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