From 0c6eb58e3fbe50838a45c93db49e317d0ec50ddd Mon Sep 17 00:00:00 2001
From: Balazs Lendvai <56266523+gfx54b@users.noreply.github.com>
Date: Wed, 18 Sep 2024 10:41:08 +0200
Subject: [PATCH] Add a note about clusters with 2 members (#1815)

Recent question in slack pointed out that we describe how to set up a 3
cluster (as that should be the normal), but we don't mention anywhere
that in case of a 2 member cluster an extra setting is needed.

---------

Co-authored-by: NataliaIvakina <82437520+NataliaIvakina@users.noreply.github.com>
---
 modules/ROOT/pages/clustering/setup/deploy.adoc | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/modules/ROOT/pages/clustering/setup/deploy.adoc b/modules/ROOT/pages/clustering/setup/deploy.adoc
index f56881821..e1485a756 100644
--- a/modules/ROOT/pages/clustering/setup/deploy.adoc
+++ b/modules/ROOT/pages/clustering/setup/deploy.adoc
@@ -253,6 +253,13 @@ If you want to follow along with the startup, you can see the messages in xref:c
 ======
 =====
 
+[CAUTION]
+====
+The setting
+xref:configuration/configuration-settings.adoc#config_dbms.cluster.minimum_initial_system_primaries_count[`dbms.cluster.minimum_initial_system_primaries_count`]
+must be set to `2` on all servers in case setting up a cluster with only *two* servers.
+====
+
 [[cluster-example-create-databases-on-cluster]]
 == Create new databases in a cluster