base

RCDB/DB/etc/RcdbFailover

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+#! /bin/sh
+#
+# Description: PostgreSQL streaming repliation node failover script
+#               - promote execute
+#
+# Author:      Solbox Storage dev team 
+#              - storage.sd@solbox.com
+
+## EDIT FROM HERE
+# Installation prefix
+prefix=/user/db/pgsql
+
+# Data directory
+PGDATA="$prefix/data"
+
+# Who to run the postmaster as, usually "postgres".  (NOT "root")
+PGUSER=pgsql
+
+## STOP EDITING HERE
+
+
+# PID file
+PIDFILE="$PGDATA/postmaster.pid"
+
+# What to use to control command  the postmaster
+PGCTL="$prefix/bin/pg_ctl"
+
+# Stnadby DB recovery.conf file
+STANDBYDBCONF="$PGDATA/recovery.conf"
+
+# The path that is to be used for the script
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+
+
+# Parse command line parameters.
+case $1 in
+	start)
+	# DB active and promote => normal
+	# etc => error
+	if [ -f $PIDFILE ] ; then
+		echo -n "Starting PostgreSQL Promote: "
+		su - $PGUSER -c "$PGCTL promote"
+	else
+		echo "Error: PostgreSQL is already stopped."
+		exit 1
+	fi
+	;;
+
+	stop)
+	echo -n "Stopping PostgreSQL: "
+	su - $PGUSER -c "$PGCTL stop --mode=fast"
+	echo "OK"
+	;;
+
+	status)
+	# Normal staus => print OK
+	# - DB active (pid exist ) 
+	# - AND Primary mode (recovery.conf not exist)
+	# Error status
+	# - etc ( DB not started or Standby mode )
+	if [ -f $PIDFILE ] ; then
+		if [ ! -f $STANDBYDBCONF ] ; then
+			echo "PostgreSQL running as a primary [OK]"
+		else
+			echo "PostgreSQL is standby status."
+		fi
+	else
+		echo "PostgreSQL is already stopped."
+	fi
+	;;
+
+	*)
+	# Print help
+	echo "Usage: $0 {start|stop|status}" 1>&2
+	exit 1
+	;;
+
+esac
+
+exit 0
+

RCDB/DB/etc/Readme.txt

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+각 스크립트 설명 및 사용법
+============================
+
+[RcdbFailover]
+
+Heartbeat 를 이용한 RCDB 이중화 구성시
+Heartbeat 을 통한 RCDB Failover 수행을 담당하기 위한 스크립트
+
+본 스크립트는 Cloud Storage 의 RCDB 설치 패키지에 포함되어 배포된다.
+
+1. 설치 경로
+  /etc/ha.d/resource.d
+
+2. 설치 권한
+  -rwxr-xr-x 1 root root 1565 2014-08-28 19:17 RcdbFailover
+
+3. 주의 사항
+  - 설치 전 Linux Heartbeat 가 먼저 설치되어 있어야 한다.
+  - PostgreSQL RCDB 가 /user/db/pgsql 기본 경로에 설치되어야 정상 동작한다.
+    ( 기본 경로를 사용하지 않을 경우 스크립트 수정 필요)
+
+
+-----------------------------
+