partially fix #5139: document qnetd port requirement

we could also add a check somewhere in pve-cluster for this.

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
 [ TL: squash in changes Fiona proposed for the port syntax/wording ]
Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/pvecm.adoc b/pvecm.adoc
index e381eb546ecc027c25b003d351b9814c6f2b0929..31dc18a74a2ff14ec04bab58820172f4d6732689 100644 (file)
--- a/pvecm.adoc
+++ b/pvecm.adoc
@@ -1104,6 +1104,10 @@ columns:
    https://manpages.debian.org/bookworm/libvotequorum-dev/votequorum_qdevice_master_wins.3.en.html].
 * `NR`: QDevice is not registered.
 
+NOTE: If your QDevice is listed as `Not Alive` (`NA` in the output above),
+ensure that port `5403` (the default port of the qnetd server) of your external
+server is reachable via TCP/IP!
+
 
 Frequently Asked Questions
 ~~~~~~~~~~~~~~~~~~~~~~~~~~