From a66ef24293b6d5b08b35755f167bb51bb2e64d41 Mon Sep 17 00:00:00 2001
From: Ian Barwick <ian@2ndquadrant.com>
Date: Wed, 16 Jan 2019 11:27:35 +0900
Subject: [PATCH] doc: note "pg_read_all_settings" in FAQ

Relevant for PostgreSQL 10 and later where the repmgr user is not a superuser.
---
 doc/appendix-faq.sgml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/doc/appendix-faq.sgml b/doc/appendix-faq.sgml
index 9dca53ff..0e6d1763 100644
--- a/doc/appendix-faq.sgml
+++ b/doc/appendix-faq.sgml
@@ -189,6 +189,14 @@
       directory while the PostgreSQL server is not running, e.g. to confirm
       it shut down cleanly during a <link linkend="performing-switchover">switchover</link>.
     </para>
+    <para>
+      Additionally, this provides support when using &repmgr; on PostgreSQL 9.6 and
+      earlier, where the <literal>repmgr</literal> user is not a superuser; in that
+      case the <literal>repmgr</literal> user will not be able to access the
+      <literal>data_directory</literal> configuration setting, access to which is restricted
+      to superusers. (In PostgreSQL 10 and later, non-superusers can be added to the
+      group <option>pg_read_all_settings</option> which will enable them to read this setting).
+    </para>
   </sect2>
  </sect1>