监控数据库锁阻塞_机器连接数_警报日志的shell脚本 分享

 

这个shell脚本监控数据库锁阻塞，机器连接数,警报日志,而其中的机器连接数,警报日志不会重复发相同内容的邮件

#!/bin/sh

#danchen
#2007-3-28

#program variable
export ORACLE_BASE=/opt/oracle
export ORACLE_HOME=$ORACLE_BASE/product/9.2
export PATH=$ORACLE_HOME/bin:$ORACLE_HOME/Apache/Apache/bin:$PATH
export NLS_LANG=american_america.zhs16gbk
export ORACLE_OWNER=oracle
export ORACLE_SID=test
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/lib:/usr/lib:/usr/local/lib
export BDUMP=/opt/oracle/admin/devdb/bdump
ulimit -l unlimited >/dev/null 2>&1

#local variable
mailto='[email protected]'
CP=/bin/cp

date
$ORACLE_HOME/bin/sqlplus -S test/test@test <<EOF
  set serveroutput on size 20000;
  spool /tmp/lock_danger.log
  declare
    sql1 varchar2(2000);
    sql2 varchar2(2000);
    machine1 varchar2(50);
    machine2 varchar2(50);
    isblock number;
    seq number;
  begin
          for i in(select sid,id1,id2 from v\$lock where type='TX' and lmode=6) loop
                 isblock := 0;
                 select serial#,machine into seq,machine1 from v\$session where sid=i.sid;

                 for j in(select sid,id1,id2 from v\$lock where type='TX' and request=6) loop
                       if i.id1=j.id1 and i.id2=j.id2 then
                           isblock := 1;
                           select machine into machine2 from v\$session where sid=j.sid;
                           dbms_output.put_line('machine '||machine1||' is blocking machine '||machine2);
                       end if;
                 end loop;
                 if isblock=1 then
                           dbms_output.put_line('alter system kill session '''||i.sid||','||seq||''';');
                           dbms_output.put_line(chr(10));
                 end if;
          end loop;
  end;
/
  spool off
  spool /tmp/link_danger.log
  select machine,count(*) from v\$session group by machine having count(*)>15;
  spool off
exit;
EOF

#analyze
v_kill=`cat /tmp/lock_danger.log|grep "alter system kill session"|wc -l`
if [ $v_kill -gt 0 ]
   then
       scp /tmp/lock_danger.log oracle@csdb1:/opt/devtest_db_logs/lock_$HOSTNAME.log
       ssh -loracle csdb1 "mail -s "lock_${HOSTNAME}_danger" $mailto < /opt/devtest_db_logs/lock_$HOSTNAME.log"
fi

if [ -f /tmp/link_danger.log.old ]
   then
       $CP /tmp/link_danger.log /tmp/link_danger.log.new
       v_mc=`diff /tmp/link_danger.log.new /tmp/link_danger.log.old|grep "<"|wc -l`
       $CP /tmp/link_danger.log.new /tmp/link_danger.log.old
       if [ $v_mc -gt 0 ]
          then
              v_m_c=`cat /tmp/link_danger.log.new|grep "MACHINE"|wc -l`
              if [ $v_m_c -gt 0 ]
                 then
                   scp /tmp/link_danger.log oracle@csdb1:/opt/devtest_db_logs/link_$HOSTNAME.log
                   ssh -loracle csdb1 "mail -s "link_${HOSTNAME}_danger" $mailto < /opt/devtest_db_logs/link_$HOSTNAME.log"
              fi
       fi
   else
       echo " " > /tmp/link_danger.log.old
fi

#alert.log
if [ -f $BDUMP/alert_${ORACLE_SID}.log.old ]
then
     $CP $BDUMP/alert_${ORACLE_SID}.log $BDUMP/alert_${ORACLE_SID}.log.new
     v_alert=`diff $BDUMP/alert_${ORACLE_SID}.log.new $BDUMP/alert_${ORACLE_SID}.log.old|grep "<"|grep "ORA-"`
     n_alert=`diff $BDUMP/alert_${ORACLE_SID}.log.new $BDUMP/alert_${ORACLE_SID}.log.old|grep "<"|grep "ORA-"|wc -l`
     $CP $BDUMP/alert_${ORACLE_SID}.log.new $BDUMP/alert_${ORACLE_SID}.log.old
     if [ $n_alert -gt 0 ]
         then
             echo "$v_alert" > /tmp/alert_danger.log
             scp /tmp/alert_danger.log oracle@csdb1:/opt/devtest_db_logs/alert_$HOSTNAME.log
             ssh -loracle csdb1 "mail -s "alert_${HOSTNAME}_danger" $mailto < /opt/devtest_db_logs/alert_$HOSTNAME.log"
     fi
else
     $CP $BDUMP/alert_${ORACLE_SID}.log $BDUMP/alert_${ORACLE_SID}.log.old
fi
date