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Oracle的标准系统服务脚本-for Linux

发表日期:2008-2-9



  一、所谓标准系统服务,应该是满足以下几条标准的后台运行程序。
  
  1) 用chkconfig --add来安装,用chkconfig --list检查状态。
  
  2) 用ntsysv来定制某个服务,是否伴随机器的启动而自动启动。
  
  3) 在图形模式下,可以用serviceconf来启动、停止、重启服务。
  
  4) 开机象系统服务那样显示starting,关机显示shutting down。
  
  二、下面是具体的dbora脚本,在Redhat 7.3上通过,本人已经验证了几十次,保证能运行。
  
  备注:启动lsnrctl的时候不用su- 而使用su,否则失败,并且要求使用Oracle用户本身的BASH_ENV.脚本开头的几个ORA_xxx参数都要依照实际情况写,否则会说找不到Oracle程序或者pid.DOS格式方便发文,拷下来后请大家用UltraEdit转为Unix格式。
  
  ------------------------------------------------------------------------
  
  代码:
  
  #!/bin/bash
  #
  # /etc/rc.d/init.d/dbora
  #
  # Starts the dbora daemon
  #
  # chkconfig: 345 94 6
  # description: Runs commands scheduled by the at command at the time
  # specified when at was run, and runs batch commands when the load
  # average is low enough.
  # processname: dbora
  #
  # copyright: Written by Wwashington AT smth bbs, free to distribute.
  # You must keep everything in this file, including the copyright
  # announcement. Study demo: atd & postgresql in /etc/rc.d/init.d
  
  # Source function library.
  INITD=/etc/rc.d/init.d
  . $INITD/functions
  
  # Source system profile.
  if [ -r /etc/profile ] ; then . /etc/profile ; fi
  
  ORA_SID=udb01
  ORA_USER=oracle
  ORA_BASE=/udb01/app/oracle
  ORA_HOME=/udb01/app/oracle/prodUCt/8.1.7
  BASH_ENV=$ORA_BASE/.bashrc
  
  test -x $ORA_HOME/bin/dbstart exit 0
  RETVAL=0
  
  GREP_UNIX=`uname awk '{if($1 ~ /(^SunOS^HP-UX)/) print $1}'`
  if ! [ "$GREP_UNIX" = "" ]
  then
  GREP_FLAG=ef
  else
  GREP_FLAG=efw
  fi
  
  RUNLEVEL=`runlevel awk '{ print $2 }'`
  # RUNLEVEL=6
  
  case "$RUNLEVEL" in
  3)
  SH_FLAG=1
  ;;
  4)
  SH_FLAG=1
  ;;
  5)
  SH_FLAG=1
  ;;
  *)
  SH_FLAG=0
  ;;
  esac
  
  # Below is a debug info to display Show Flag
  # echo RUNLEVEL=$RUNLEVEL , SH_FLAG=$SH_FLAG
  
  #
  # See how we were called.
  #
  
  prog="dbora"
  
  start() {
  # Check flag, if dbora already started, quit dbora
  if [ ! -f /var/lock/subsys/dbora ]; then
  echo -n $"Starting $prog: "
  
  # This is the background exec which can work under
  # both CLI (dbora) and GUI mode (serviceconf). We
  # must forward stderr to a file or null, otherwise
  # dbora won't start with a return code in GUI mode
  echo ""
  echo "[oralog] ----->"
  echo "Starting Oracle8i: "
  echo "-------------------------------------------------------------------------"
  # Please note that forward stderr(2) to /dev/null or &- means close stderr
  su - $ORA_USER -c "$ORA_HOME/bin/dbstart > /tmp/ORA-dbuplog" 2>/dev/null
  if [ $SH_FLAG -eq 1 ]; then
  cat /tmp/ORA-dbuplog
  fi
  echo
  echo "Starting TNS Listener:"
  echo "-------------------------------------------------------------------------"
  su $ORA_USER -c "$ORACLE_HOME/bin/lsnrctl start > /tmp/ORA-lsnrlog" 2>&-
  if [ $SH_FLAG -eq 1 ]; then
  cat /tmp/ORA-lsnrlog
  fi
  
  pid=`pidof -s ora_pmon_$ORA_SID`
  if [ "$pid" == "" ]; then
  RETVAL=1;
  else
  RETVAL=0;
  fi
  
  [ $RETVAL -eq 0 ] && touch /var/lock/subsys/dbora
  echo
  fi
  return $RETVAL
  }
  
  stop() {
  echo -n $"Stopping $prog: "
  
  # In order to use database local cmd to keep safe,
  # we use dbshut instead of simply kill ora_ proc.
  # When we reboot (runlevel = 0 or 6), no verbose.
  # Force remove /var/lock/subsys/dbora to activate
  if [ $SH_FLAG -eq 1 ]; then
  echo ""
  echo "[oralog] ----->"
  echo "Shutting down TNS Listener:"
  echo "-------------------------------------------------------------------------"
  su $ORA_USER -c "$ORACLE_HOME/bin/lsnrctl stop"
  else
  su $ORA_USER -c "$ORACLE_HOME/bin/lsnrctl stop > /dev/null"
  fi
  if [ $SH_FLAG -eq 1 ]; then
  echo
  fi
  if [ $SH_FLAG -eq 1 ]; then
  echo "Shutting down Oracle8i: "
  echo "-------------------------------------------------------------------------"
  su - $ORA_USER -c "$ORA_HOME/bin/dbshut"
  else
  su - $ORA_USER -c "$ORA_HOME/bin/dbshut > /dev/null"
  fi
  
  pid=`ps -$GREP_FLAG grep -e ora_ -e lsnr grep -v grep awk '{ print $2 }'`
  # Show pids when shutdown failed, to see debug info
  # echo $pid
  
  if [ $pid ]; then
  failure ""
  else
  success ""
  fi
  echo ""
  rm -f /var/lock/subsys/dbora
  return $RETVAL
  }
  
  restart() {
  echo "Restarting Oracle8i and Listener: "
  echo "========================================================================="
  stop
  start
  }
  
  reload() {
  restart
  }
  
  status_ol() {
  echo "Checking Oracle8i and Listener: "
  echo "========================================================================="
  su - $ORA_USER -c "$ORA_HOME/bin/dbstat"
  }
  
  case "$1" in
  start)
  start
  ;;
  stop)
  stop
  ;;
  reloadrestart)
  restart
  ;;
  condrestart)
  if [ -f /var/lock/subsys/dbora ]; then
  restart
  fi
  ;;
  status)
  status_ol
  ;;
  *)
  echo $"Usage: $0 {startstoprestartcondrestartstatus}"
  exit 1
  esac
  
  exit $?
  exit $RETVAL
  
  刚才的文件是 /etc/rc.d/init.d/dbora,现在补充一个,$ORACLE_HOME/bin/dbstat
  
  GREP_UNIX=`uname awk '{if($1 ~ /(^SunOS^HP-UX)/) print $1}'`
  
  if !
[ "$GREP_UNIX" = "" ]
  then
  GREP_FILE=/usr/XPg4/bin/grep
  GREP_FLAG=ef
  else
  GREP_FILE=/bin/grep
  GREP_FLAG=efw
  fi
  echo
  echo "# ps -$GREP_FLAG $GREP_FILE -e ora_ -e lsnr grep -v grep"
  echo
  ps -$GREP_FLAG $GREP_FILE -e ora_ -e lsnr grep -v grep
  echo
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