oracle冷备脚本

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# PROGRAM NAME:coldbackup_ux

# PURPOSE:Performs cold backup of the database. Database

#should be online when you start

# the script. It will shutdown and take a cold backup and brings

# the database up again

# USAGE:$coldbackup_ux SID OWNER

# INPUT PARAMETERS: SID(Instance name), OWNER(Owner of instance)

#####################################################################

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_verify(): Verify that database is online       

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_verify(){

 STATUS=′ps -fu ${ORA_OWNER} |grep -v grep| grep ora_pmon_${ORA_SID}′

 funct_chk_ux_cmd_stat "Database is down for given SID($ORA_SID),

Owner($ORA_OWNER). Can't generate files to be backed up"

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_verify_shutdown(): Verify that database is down

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_verify_shutdown(){

 STATUS=′ps -fu ${ORA_OWNER} |grep -v grep| grep ora_pmon_${ORA_SID}′

if [ $? = 0 ]; then

  echo "′date′" >> $LOGFILE

  echo "COLDBACKUP_FAIL: ${ORA_SID}, Database is up, can't make

coldbackup if the database is online."|tee -a ${BACKUPLOGFILE} >> $LOGFILE

  exit 1

fi

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_shutdown_i(): Shutdown database in Immediate mode

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_shutdown_i(){

${ORACLE_HOME}/bin/sqlplus -s << EOF

 / as sysdba

shutdown immediate;

exit

EOF

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_shutdown_n(): Shutdown database in Normal mode

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_shutdown_n(){

${ORACLE_HOME}/bin/sqlplus -s << EOF

 / as sysdba

shutdown normal;

exit

EOF

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_startup_r(): Startup database in restricted mode

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_startup_r(){

${ORACLE_HOME}/bin/sqlplus -s << EOF

 / as sysdba

startup restrict;

exit

EOF

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_startup_n(): Startup database in normal mode

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_startup_n(){

${ORACLE_HOME}/bin/sqlplus -s << EOF

/ as sysdba

startup;

exit

EOF

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_build_dynfiles(): Identify the files to backup  

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_build_dynfiles(){

# Build datafile list

echo "Building datafile list ." >> ${BACKUPLOGFILE}

datafile_list=′${ORACLE_HOME}/bin/sqlplus -s <<EOF

/ as sysdba

set heading off  feedback off

select file_name from dba_data_files order by tablespace_name;

exit

EOF′

echo "############### SQL for Temp Files " >> ${RESTOREFILE}

${ORACLE_HOME}/bin/sqlplus -s <<EOF >> ${RESTOREFILE}

/ as sysdba

set heading off  feedback off

select 'alter tablespace '||tablespace_name||' add tempfile '||''||

file_name||''||' reuse'||';'

from dba_temp_files;

exit

EOF

echo "Backingup controlfile and trace to trace file" >>${BACKUPLOGFILE}

${ORACLE_HOME}/bin/sqlplus -s <<EOF

/ as sysdba

set heading off  feedback off

alter database backup controlfile to '${CONTROLFILE_DIR}/backup_control.ctl';

alter database backup controlfile to trace;

exit

EOF

# Backup trace of control file

CONTROL=′ls -t ${udump_dest}/*.trc |head -1′

if [ ! -z "$CONTROL" ]; then

 grep 'CONTROL' ${CONTROL} 1> /dev/null

 if test $? -eq 0; then

   cp ${CONTROL} ${CONTROLFILE_DIR}/backup_control.sql

 fi

fi

}

# Prepare restore file for control file

echo "###### Control File  " >> ${RESTOREFILE}

echo "# Use your own discretion to copy control file, not advised unless

required..." >> ${RESTOREFILE}

echo " End of backup of control file" >> ${BACKUPLOGFILE}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_cold_backup(): Perform cold backup

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_cold_backup(){

#Copy datafiles to backup location

echo "############### Data Files " >> ${RESTOREFILE}

for datafile in ′echo $datafile_list′

do

     echo "Copying datafile ${datafile} ..." >> ${BACKUPLOGFILE}

     #Prepare a restore file to restore coldbackup in case a

restore is necessary

     echo cp -p ${DATAFILE_DIR}/′echo $datafile|awk -F"/" '{print $NF}'′

$datafile >> ${RESTOREFILE}

     cp -p ${datafile} ${DATAFILE_DIR}

     funct_chk_ux_cmd_stat "Failed to copy datafile file to

backup location"

done

#Copy current init<SID>.ora file to backup directory

echo " Copying current init.ora file" >> ${BACKUPLOGFILE}

cp -p ${init_file} ${INITFILE_DIR}/init${ORA_SID}.ora

funct_chk_ux_cmd_stat "Failed to copy init.ora file to backup location"

echo "################ Init.ora File " >> ${RESTOREFILE}

echo cp -p ${INITFILE_DIR}/init${ORA_SID}.ora ${init_file}

>> ${RESTOREFILE}

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_chk_parm(): Check for input parameters

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_chk_parm() {

if [ ${NARG} -ne 2 ]; then

   echo "COLDBACKUP_FAIL: ${ORA_SID}, Not enough arguments passed"

   exit 1

fi

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_chk_bkup_dir(): Create backup directories if not already existing

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_chk_bkup_dir() {

 RESTOREFILE_DIR="${BACKUPDIR}/restorefile_dir"

 BACKUPLOG_DIR="${BACKUPDIR}/backuplog_dir"

 DATAFILE_DIR="${BACKUPDIR}/datafile_dir"

 CONTROLFILE_DIR="${BACKUPDIR}/controlfile_dir"

 REDOLOG_DIR="${BACKUPDIR}/redolog_dir"

 ARCLOG_DIR="${BACKUPDIR}/arclog_dir"

 INITFILE_DIR="${BACKUPDIR}/initfile_dir"

 BACKUPLOGFILE="${BACKUPLOG_DIR}/backup_log_${ORA_SID}"

 RESTOREFILE="${RESTOREFILE_DIR}/restorefile_${ORA_SID}"

 LOGFILE="${LOGDIR}/${ORA_SID}.log"

 if [ ! -d ${RESTOREFILE_DIR} ]; then mkdir -p ${RESTOREFILE_DIR}; fi

 if [ ! -d ${BACKUPLOG_DIR} ]; then mkdir -p ${BACKUPLOG_DIR}; fi

 if [ ! -d ${DATAFILE_DIR} ]; then mkdir -p ${DATAFILE_DIR}; fi

 if [ ! -d ${CONTROLFILE_DIR} ]; then mkdir -p ${CONTROLFILE_DIR}; fi

 if [ ! -d ${REDOLOG_DIR} ]; then mkdir -p ${REDOLOG_DIR}; fi

 if [ ! -d ${ARCLOG_DIR} ]; then mkdir -p ${ARCLOG_DIR}; fi

 if [ ! -d ${INITFILE_DIR} ]; then mkdir -p ${INITFILE_DIR}; fi

 if [ ! -d ${DYN_DIR} ]; then mkdir -p ${DYN_DIR}; fi

 if [ ! -d ${LOGDIR} ]; then mkdir -p ${LOGDIR}; fi

# Remove old backup

rm -f ${RESTOREFILE_DIR}/*

rm -f ${BACKUPLOG_DIR}/*

rm -f ${DATAFILE_DIR}/*

rm -f ${CONTROLFILE_DIR}/*

rm -f ${REDOLOG_DIR}/*

rm -f ${ARCLOG_DIR}/*

rm -f ${INITFILE_DIR}/*

echo "${JOBNAME}: coldbackup of ${ORA_SID} begun on ′date +\"%c\"′" >

${BACKUPLOGFILE}

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_get_vars(): Get environment variables

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_get_vars(){

ORA_HOME=′sed /#/d ${ORATABDIR}|grep -i ${ORA_SID}|nawk -F ":"

'{print $2}'′

ORA_BASE=′echo ${ORA_HOME}|nawk -F "/" '{for (i=2; i<=NF-2; i++) print

"/"$i}'′

ORACLE_BASE=′echo $ORA_BASE|tr -d " "′

init_file=$ORA_HOME/dbs/init$ORA_SID.ora

#log_arch_dest1=′sed /#/d $init_file|grep -i log_archive_dest|

nawk -F "=" '{print $2}'′

#log_arch_dest=′echo $log_arch_dest1|tr -d "'"|tr -d '"'′

udump_dest=′${ORACLE_HOME}/bin/sqlplus -s <<EOF

/ as sysdba

set heading off  feedback off

select value from v\\$parameter

where name='user_dump_dest';

exit

EOF′

if [ x$ORA_HOME = 'x' ]; then

  echo "COLDBACKUP_FAIL: Can't get ORACLE_HOME from oratab file

for $ORA_SID"|tee -a ${BACKUPLOGFILE} >> ${LOGFILE}

  exit 1

fi

if [ ! -f $init_file ]; then

  echo "COLDBACKUP_FAIL: init$ORA_SID.ora does not exist in

ORACLE_HOME/dbs"|tee -a ${BACKUPLOGFILE} >> ${LOGFILE}

  exit 1

fi

if [ x$udump_dest = 'x' ]; then

  echo "COLDBACKUP_FAIL: user_dump_dest not defined in init$ORA_SID.ora"|

tee -a ${BACKUPLOGFILE} >> ${LOGFILE}

  exit 1

fi

ORACLE_HOME=${ORA_HOME}; export ORACLE_HOME

ORACLE_SID=${ORA_SID}; export ORACLE_SID

}

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

# funct_chk_ux_cmd_stat(): Check the exit status of Unix command

#::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

funct_chk_ux_cmd_stat() {

 if [ $? != 0 ]; then

      echo "′date′" |tee -a ${BACKUPLOGFILE} >> ${LOGFILE}

      echo "COLDBACKUP_FAIL: ${1} "| tee -a ${BACKUPLOGFILE}

>> ${LOGFILE}

      exit 1

 fi

}

############################################################

#   MAIN

############################################################

NARG=$#

ORA_SID=$1

ORA_OWNER=$2

# Set environment variables

BACKUPDIR="/u02/${ORA_SID}/cold"

ORATABDIR=/etc/oratab

TOOLS="/u01/oracomn/admin/my_dba"

DYN_DIR="${TOOLS}/DYN_FILES"

LOGDIR="${TOOLS}/localog"

JOBNAME="dbcoldbackup"

echo " Starting coldbackup of ${ORA_SID} "

    funct_chk_parm

    funct_chk_bkup_dir

    funct_get_vars

    funct_verify

    funct_build_dynfiles

    funct_shutdown_i

    funct_startup_r

    funct_shutdown_n

    funct_verify_shutdown

    funct_cold_backup

    funct_startup_n

echo "${ORA_SID}, Coldbackup Completed successfully on ′date +\"%c\"′"

|tee -a ${BACKUPLOGFILE} >> ${LOGFILE}

########    END MAIN ##########################

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