oracle的tablespaces使用情况监控

环境：oracle11G、linux

脚本作用：检测数据库的表空间使用量，大于设置法值通过短信告警通知相关人员。

思路：登陆数据库查询出所有表空间使用情况——通过shell脚本分析结果——找出大于设置值得表空间——短信预警（也可以改成邮件预警）

链接: https://pan.baidu.com/s/1SCOa1a0BMc_8qS2ppQ_Zxg 提取码: 36jw 

脚本：cat /u01/check-tablespaces.sh

#! /bin/bash
source /etc/profile
source ~/.bash_profile
sqlplus / as sysdba >/tmp/oracle.txt << EOF

set lines 800;
set pages 800;
col tablespace_name for a30;
col used_pct for a10;

select /*+ parallel(8) */ total.TABLESPACE_NAME TABLESPACE_NAME,
total.MAX_SIZE_MB MAX_SIZE_MB, total.SIZE_MB-free.USED_FREE_MB USED_SIZE_MB,
to_char(round(((total.SIZE_MB-free.USED_FREE_MB)/total.MAX_SIZE_MB)*100,2),'fm99999999990.00')|| '%'  USED_PCT, 
total.MAX_SIZE_MB-(total.SIZE_MB-free.USED_FREE_MB) Free_MB
from
    (select TABLESPACE_NAME,
sum(BYTES)/1024/1024 SIZE_MB,
sum(decode(MAXBYTES, 0 , BYTES,MAXBYTES ))/1024/1024 MAX_SIZE_MB
 from dba_data_files 
group by TABLESPACE_NAME) total, 
    (select TABLESPACE_NAME,
sum(BYTES)/1024/1024 USED_FREE_MB
from dba_free_space
group by TABLESPACE_NAME) free
    where total.TABLESPACE_NAME=free.TABLESPACE_NAME 
and total.TABLESPACE_NAME not like 'UNDO%';
quit;
EOF
sed -i 1,12d /tmp/oracle.txt
sed -i -e '/selected/,$d' /tmp/oracle.txt
sed -i '$d' /tmp/oracle.txt
sed -i 1,2d /tmp/oracle.txt
 
#查询表空间大于90%的表空间
echo tablespaces-$(date +"%Y-%m-%d")>>/tmp/tbplesjg.txt
cat /tmp/oracle.txt|while read line
 do
 m=`echo $line |awk '{print $1}'`
 b=`echo $line |awk '{print $4}'|awk -F. '{print $1}'`
if [ $b -gt 90 ]
   then 
      echo "$m使用百分之$b" >> /tmp/tbplesjg.txt
   else
    echo "$m $b%"  
 fi
  done

#发送短信

sb=`tac /tmp/tbplesjg.txt|sed '/tablespaces/q'|tac|grep '使用'`

if [ -z "$sb" ]
  then
    echo '文件为空'
  else
    a_phon=("1862***8189" "15283***025" "1801***5583" )
    for element in ${a_phon[@]}
        do 
          curl -X POST 'http://100.64.139.22/sjba/service/dxts/test' -d "phone=$element&content=`tac /tmp/tbplesjg.txt|sed '/tablespaces-2/q'|tac|tail -n 3`"
        done
fi

　配置定时任务 

[oracle@db]crontab -e
30 8 * * * /u01/check-tablespaces.sh