简单几步快速预判oracle 数据库运行状态

##os load

vmstat 2 999

##os log

#linux host log

dmesg 

#AIX host log 

errpt

##os filesystem

#linux fs

df -h

#AIX fs

df -g

##oracle stats

#event 

select event,count(*) from v$session where status= 'ACTIVE' group by EVENT order by 2;

#alert log

tail -500 alert_$SID.log