自动清理DataGuard备机日志

 1 #!/usr/bin/bash
 2 
 3 export ORACLE_BASE=/opt/ora10;
 4 export ORACLE_HOME=$ORACLE_BASE/product/10g;
 5 export ORACLE_SID=standby;
 6 export ORACLE_TERM=xterm;
 7 export PATH=/bin:/usr/bin:/usr/sbin:$PATH;
 8 export PATH=$ORACLE_HOME/bin:$PATH;
 9 export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib;
10 export CLASSPATH=$ORACLE_HOME/JRE:$ORACLE_HOME/jlib:$ORACLE_HOME/rdbms/jlib;
11 export NLS_LANG=AMERICAN_AMERICA.ZHS16GBK;
12  
13 del_seq=`ls /smsdb/arch_log/|head -1|cut -f2 -d_`
14 echo $del_seq
15 $ORACLE_HOME/bin/sqlplus "/ as sysdba" <<eof >/smsdb/arch_log/max_sn.log
16 set head off;
17 set feedback;
18 select max(sequence#) from v\$log_history;
19 exit;
20 eof
21 max_sn=`cat /smsdb/arch_log/max_sn.log|awk ‘{print $1}‘|grep ^[0-9]`
22 max_sn=`expr $max_sn - 30`
23 echo $max_sn
24 while [ $del_seq -lt $max_sn ]
25 do
26   rm -rf /smsdb/arch_log/1_"$del_seq"_770554846.dbf
27   del_seq=`expr $del_seq + 1`
28   echo $del_seq
29 done