pg_upgrade docs: mention modification of postgresql.conf in new cluster

Mention it might be necessary to modify postgresql.conf in the new
cluster to match the old cluster.

Backpatch to 9.2.

Suggested by user.

diff --git a/doc/src/sgml/pgupgrade.sgml b/doc/src/sgml/pgupgrade.sgml
index e0765babfc58b89cdd5e3d9532a653e735e759f6..5baf420a27ad516ff6d2be4ade8e360a3f98244f 100644 (file)
--- a/doc/src/sgml/pgupgrade.sgml
+++ b/doc/src/sgml/pgupgrade.sgml
@@ -402,7 +402,9 @@ pg_upgrade.exe
 
     <para>
      If you modified <filename>pg_hba.conf</> to use <literal>trust</>,
-     restore its original authentication settings.
+     restore its original authentication settings.  It might also be
+     necessary to adjust other configurations files in the new cluster to
+     match the old cluster, e.g. <filename>postgresql.conf</>.
     </para>
    </step>