oracle 日常运维常使用指令_01

[oracle@station15 ~]$ . oraenv

[root@station10 /]# vim /etc/oratab

[oracle@station38 ~]$ lsnrctl status 查看listener状态

[oracle@station15 ~]$ crs_stat -t 查看实例运行状态，grid环境

[oracle@station38 ~]$ emctl unsecure dbconsole 关闭EM的SSL

select  * from v$dispatcher;

select  * from v$process  where addr in (select paddr from v$dispatcher );

select  * from v$circuit;

select  * from v$session where saddr  in (select saddr from v$circuit);

select  * from v$session where machine ='WORKGROUP2\STATION199';

SQL> show parameter name;

SQL> alter system set service_names='testdw';

SQL> alter user sys identified by oracle_4U account unlock;

select s.USERNAME,
           s.SID,
           s.SERIAL#,
           s.SADDR,
           s.PADDR,
           s.TADDR,
           s.STATUS,
           s.TERMINAL,
           s.BLOCKING_SESSION
 from v_$session s 
 where  s.USERNAME='HR' ;
 
 ----
 select * from v$transaction;
 
 ----
 select SID, SERIAL#, USERNAME
        from V$SESSION where SID in
        (select BLOCKING_SESSION from V$SESSION);
 ----
 alter system kill session '200,428' immediate;

select  * from v$transaction;

select  * from dba_rollback_segs;

select  * from dba_tablespaces;

select  * from v$tablespace;

实验的语句：

select  * from dba_rollback_segs;

create undo tablespace undotbs2 datafile size 256k autoextend off; 

select  * from dba_rollback_segs;

alter tablespace temp add tempfile '/u01/app/oracle/oradata/orcl/temp02.dbf' size 10G 
 autoextend on  maxsize 20G;
 
alter tablespace temp drop tempfile '/u01/app/oracle/oradata/orcl/temp02.dbf' ;

drop tablespace undotbs2;

select  * from dba_rollback_segs;

select  * from dict 
 where table_name like '%UNDO%' or table_name like '%ROLL%';
 
 select  * from v$rollstat;
 
 select * from v$undostat;
 
 select  * from dba_hist_undostat;

select  * from dba_alert_history;

select s. username , s.SID ,s.SERIAL# ,s.SQL_ID , s.SQL_HASH_VALUE 
 from v_$session s
 where s.TERMINAL='pts/1' ;

检查点相关指令:

select d.RESETLOGS_CHANGE#,
          d.CHECKPOINT_CHANGE#,
          d.CURRENT_SCN
 from v_$database d;
 
 select  d.CHECKPOINT_CHANGE# ,d.NAME
  from v_$datafile d;
  
  select  * from v$log;
  
  alter system switch logfile;
  
    alter system switch logfile;
    
    
    alter system checkpoint;
        
    alter database drop logfile group 1;
    
    alter database add logfile group 1  size  50M;
    
    select  * from v$log;
    
    select  * from v$logfile;
    
    alter database add logfile member '/u01/app/oracle/oradata/orcl/redo02c.log' to group 2  ;
    
    alter database drop logfile member '/u01/app/oracle/oradata/orcl/redo02c.log';
    
        alter system switch logfile;
        
      alter database drop logfile member '/u01/app/oracle/oradata/orcl/redo02c.log';   
      
          select  * from v$logfile;

 select  d.CHECKPOINT_CHANGE# ,d.NAME
  from v_$datafile d;
  
  select d.RESETLOGS_CHANGE#,
          d.CHECKPOINT_CHANGE#,
          d.CURRENT_SCN
from v_$database d;

alter tablespace users offline;

alter tablespace users online;

alter system checkpoint;

alter tablespace users read only;

alter tablespace users read write;

---------------------
alter tablespace users begin backup;

alter tablespace users end backup;
----------
alter database datafile  '+DATA/orcl/datafile/users.259.816169553' offline;

alter database datafile  '+DATA/orcl/datafile/users.259.816169553' online;

---------
alter database rename file '+DATA/orcl/datafile/users.259.816169553' to
'+data/orcl/DATAFILE/users.dbf';

alter database datafile  '+DATA/orcl/datafile/users.dbf' online;

recover datafile '+DATA/orcl/datafile/users.dbf';

alter database datafile  '+DATA/orcl/datafile/users.dbf' online;

alter tablespace sysaux offline;

 select  d.CHECKPOINT_CHANGE# ,d.NAME
  from v_$datafile d;
  
  alter tablespace sysaux online;

alter tablespace system offline;

[oracle@station8 ~]$ rman target / 
RMAN> recover database; 

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 03/18/2018 17:46:53
ORA-00283: recovery session canceled due to errors
RMAN-11003: failure during parse/execution of SQL statement: alter database recover if needed
start
ORA-00283: recovery session canceled due to errors
ORA-00313: open failed for members of log group 1 of thread 1
ORA-00312: online log 1 thread 1: '+FRA/station8/onlinelog/group_1.257.971108007'
ORA-17503: ksfdopn:2 Failed to open file +FRA/station8/onlinelog/group_1.257.971108007
ORA-15012: ASM file '+FRA/station8/onlinelog/group_1.257.971108007' does not exist
ORA-00312: online log 1 thread 1: '+DATA/station8/onlinelog/group_1.261.971108005'
ORA-17503: ksfdopn:2 Failed to open file +DATA/station8/online

RMAN> restore database ; 

RMAN> recover database;


RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 03/18/2018 17:48:46
ORA-00283: recovery session canceled due to errors
RMAN-11003: failure during parse/execution of SQL statement: alter database recover logfile '+FRA/station8/archivelog/2018_03_18/thread_1_seq_12.284.971111663'
ORA-00283: recovery session canceled due to errors
ORA-00313: open failed for members of log group 1 of thread 1
ORA-00312: online log 1 thread 1: '+FRA/station8/onlinelog/group_1.257.971108007'
ORA-17503: ksfdopn:2 Failed to open file +FRA/station8/onlinelog/group_1.257.971108007
ORA-15012: ASM file '+FRA/station8/onlinelog/group_1.257.971108007' does not exist
ORA-00312: online log 1 thread 1: '+DATA/station8/onlinelog/group_1.261.971108005'
ORA-17503: ksfdopn:2 Failed to open file +DATA/station8/online

SQL> conn / as sysdba
SQL> recover database; 
SQL> recover database until cancel ; 
SQL> alter database open resetlogs; 

[oracle@station8 ~]$ rman target / 
RMAN> list incarnation of database ;

oracle 日常运维常使用指令_01

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