oracle逻辑导出脚本

#! /bin/sh
# name: mydbexportcron.ksh
# Referrence: mydbexport.ksh

NFS_MOUNTDIR='/home/mydb'

/bin/logger "+++ mydb DATABASE export and copy start."
# ++
nfscount=`mount | grep $NFS_MOUNTDIR | wc -l`
if (( nfscount == 0 ))
then
   /bin/logger "+++ $NFS_MOUNTDIR directory no mount !"
   /bin/logger "+++ remount $NFS_MOUNTDIR directory. "
   /etc/init.d/nfs start
fi

#+++++++++++++++++++++++++++++++++
#  /home/mydb is NFS_MOUNTDIR !!
#  Be care !!!!
#+++++++++++++++++++++++++++++++++
/bin/logger "+++ delete direcotry $NFS_MOUNTDIR backuped files start."
/bin/rm -rf /home/mydb/*
/bin/logger "+++ delete direcotry $NFS_MOUNTDIR backuped files end."
# ++

su - oracle -c "/backup/mydb/db/mydbexport.ksh master_mydb perfstat perfstat"
su - oracle -c "/backup/mydb/db/mydbexport.ksh master_mydb report report"
/bin/logger "+++ mydb DATABASE export and copy finished ."
#end