From 02d757743a42cdcb1910c17703413a13da1693ae Mon Sep 17 00:00:00 2001
From: Takuma Hoshiai <hoshiai@sraoss.co.jp>
Date: Tue, 23 Jun 2020 14:46:38 +0900
Subject: [PATCH] Doc: add note about auto_failback

If user uses replication_slot, replication slot is may deleted by
failover_command when standby node is down. In this case, pgpool
can't get replication status, so the feature of auto failback is
may not worked.
---
 doc.ja/src/sgml/failover.sgml | 13 +++++++++++++
 doc/src/sgml/failover.sgml    |  9 +++++++++
 2 files changed, 22 insertions(+)

diff --git a/doc.ja/src/sgml/failover.sgml b/doc.ja/src/sgml/failover.sgml
index 4a785d3eb..584aa2922 100644
--- a/doc.ja/src/sgml/failover.sgml
+++ b/doc.ja/src/sgml/failover.sgml
@@ -915,6 +915,19 @@
       デフォルトはoffです。
       このパラメータは<productname>Pgpool-II</productname>の設定を再読み込みすることで変更可能です。
      </para>
+
+     <note>
+      <para>
+       <!--
+       <xref linkend="guc-auto-failback"> may not work, when replication slot is used.
+       There’s possibility that the streaming replication is stopped, bacause
+       <xref linkend="guc-failover-command"> is executed and replication slot is deleted by
+       the command.
+       -->
+       レプリケーションスロットを使用している場合、<xref linkend="guc-auto-failback">が動作しない可能性があることに注意してください。
+       スタンバイノードがダウンした際に<xref linkend="guc-failover-command">によりスタンバイのレプリケーションスロットが削除され、レプリケーションが停止している可能性があるためです。
+      </para>
+     </note>
     </listitem>
    </varlistentry>
 
diff --git a/doc/src/sgml/failover.sgml b/doc/src/sgml/failover.sgml
index 3597de62d..8e8428769 100644
--- a/doc/src/sgml/failover.sgml
+++ b/doc/src/sgml/failover.sgml
@@ -680,6 +680,15 @@
      <para>
       The default is off. This parameter can be changed by reloading the <productname>Pgpool-II</> configurations.
      </para>
+
+     <note>
+      <para>
+       <xref linkend="guc-auto-failback"> may not work, when replication slot is used.
+       There’s possibility that the streaming replication is stopped, bacause
+       <xref linkend="guc-failover-command"> is executed and replication slot is deleted by
+       the command.
+      </para>
+     </note>
     </listitem>
    </varlistentry>
 
-- 
2.39.5