Installation Oracle11gR2 RAC---修改在线日志

连接数据库服务器，查询现有在线日志组信息并添加在线日志组。

Connected to Oracle Database 11g Enterprise Edition Release 11.2.0.4.0

Connected as system

SQL> select * from v$logfile;

GROUP# STATUS  TYPE    MEMBER                                          IS_RECOVERY_DEST_FILE

---------- ------- ------- ------------------------------------------------- ---------------------

2         ONLINE  +DATA/oracle/onlinelog/group_2.262.900549871      NO

2         ONLINE  +FRA/oracle/onlinelog/group_2.258.900549873       YES

1         ONLINE  +DATA/oracle/onlinelog/group_1.261.900549865      NO

1         ONLINE  +FRA/oracle/onlinelog/group_1.257.900549867       YES

3         ONLINE  +DATA/oracle/onlinelog/group_3.265.900550437      NO

3         ONLINE  +FRA/oracle/onlinelog/group_3.259.900550441       YES

4         ONLINE  +DATA/oracle/onlinelog/group_4.266.900550445      NO

4         ONLINE  +FRA/oracle/onlinelog/group_4.260.900550449       YES

8 rows selected

添加新的日志组文件

SQL> alter database add logfile thread 1 group 5 (‘+DATA/oracle/onlinelog/group5‘,‘+FRA/oracle/onlinelog/group5‘) size 200M;

Database altered

SQL> alter database add logfile thread 2 group 6 (‘+DATA/oracle/onlinelog/group6‘,‘+FRA/oracle/onlinelog/group6‘) size 200M;

Database altered

SQL> alter database add logfile thread 1 group 7 (‘+DATA/oracle/onlinelog/group7‘,‘+FRA/oracle/onlinelog/group7‘) size 200M;

Database altered

SQL> alter database add logfile thread 2 group 8 (‘+DATA/oracle/onlinelog/group8‘,‘+FRA/oracle/onlinelog/group8‘) size 200M;

Database altered

SQL> select * from v$logfile;

GROUP# STATUS  TYPE    MEMBER                                          IS_RECOVERY_DEST_FILE

---------- ------- ------- ----------------------------------------------- ---------------------

2         ONLINE  +DATA/oracle/onlinelog/group_2.262.900549871    NO

2         ONLINE  +FRA/oracle/onlinelog/group_2.258.900549873     YES

1         ONLINE  +DATA/oracle/onlinelog/group_1.261.900549865    NO

1         ONLINE  +FRA/oracle/onlinelog/group_1.257.900549867     YES

3         ONLINE  +DATA/oracle/onlinelog/group_3.265.900550437    NO

3         ONLINE  +FRA/oracle/onlinelog/group_3.259.900550441     YES

4         ONLINE  +DATA/oracle/onlinelog/group_4.266.900550445    NO

4         ONLINE  +FRA/oracle/onlinelog/group_4.260.900550449     YES

5         ONLINE  +DATA/oracle/onlinelog/group5                   NO

5         ONLINE  +FRA/oracle/onlinelog/group5                    NO

6         ONLINE  +DATA/oracle/onlinelog/group6                   NO

6         ONLINE  +FRA/oracle/onlinelog/group6                    NO

7         ONLINE  +DATA/oracle/onlinelog/group7                   NO

7         ONLINE  +FRA/oracle/onlinelog/group7                    NO

8         ONLINE  +DATA/oracle/onlinelog/group8                   NO

8         ONLINE  +FRA/oracle/onlinelog/group8                    NO

16 rows selected

SQL> select  thread#,group#,archived,status from v$log;

THREAD#     GROUP# ARCHIVED STATUS

---------- ---------- -------- ----------------

1          1 NO       CURRENT

1          2 YES      INACTIVE

2          3 YES      INACTIVE

2          4 NO       CURRENT

1          5 YES      UNUSED

2          6 YES      UNUSED

1          7 YES      UNUSED

2          8 YES      UNUSED

8 rows selected

切换日志

SQL> alter system switch logfile;

System altered

SQL> alter system switch logfile;

System altered

SQL> alter system switch logfile;

System altered

SQL> alter system switch logfile;

System altered

SQL> alter system switch logfile;

System altered

SQL> select  thread#,group#,archived,status from v$log;

THREAD#     GROUP# ARCHIVED STATUS

---------- ---------- -------- ----------------

1          1 YES      ACTIVE

1          2 YES      ACTIVE

2          3 YES      INACTIVE

2          4 YES      ACTIVE

1          5 NO       CURRENT

2          6 YES      ACTIVE

1          7 YES      INACTIVE

2          8 NO       CURRENT

8 rows selected

SQL> select * from v$logfile;

GROUP# STATUS  TYPE    MEMBER                                          IS_RECOVERY_DEST_FILE

---------- ------- ------- ----------------------------------------------- ---------------------

2         ONLINE  +DATA/oracle/onlinelog/group_2.262.900549871    NO

2         ONLINE  +FRA/oracle/onlinelog/group_2.258.900549873     YES

1         ONLINE  +DATA/oracle/onlinelog/group_1.261.900549865    NO

1         ONLINE  +FRA/oracle/onlinelog/group_1.257.900549867     YES

3         ONLINE  +DATA/oracle/onlinelog/group_3.265.900550437    NO

3         ONLINE  +FRA/oracle/onlinelog/group_3.259.900550441     YES

4         ONLINE  +DATA/oracle/onlinelog/group_4.266.900550445    NO

4         ONLINE  +FRA/oracle/onlinelog/group_4.260.900550449     YES

5         ONLINE  +DATA/oracle/onlinelog/group5                   NO

5         ONLINE  +FRA/oracle/onlinelog/group5                    NO

6         ONLINE  +DATA/oracle/onlinelog/group6                   NO

6         ONLINE  +FRA/oracle/onlinelog/group6                    NO

7         ONLINE  +DATA/oracle/onlinelog/group7                   NO

7         ONLINE  +FRA/oracle/onlinelog/group7                    NO

8         ONLINE  +DATA/oracle/onlinelog/group8                   NO

8         ONLINE  +FRA/oracle/onlinelog/group8                    NO

16 rows selected

SQL> select  thread#,group#,archived,status from v$log;

THREAD#     GROUP# ARCHIVED STATUS

---------- ---------- -------- ----------------

1          1 YES      INACTIVE

1          2 YES      INACTIVE

2          3 YES      INACTIVE

2          4 YES      INACTIVE

1          5 NO       CURRENT

2          6 YES      INACTIVE

1          7 YES      INACTIVE

2          8 NO       CURRENT

8 rows selected

删除原有在线日志组，同时物理文件也会自动删除。

SQL> alter database drop logfile group 1;

Database altered

SQL> alter database drop logfile group 2;

Database altered

SQL> alter database drop logfile group 3;

Database altered

SQL> alter database drop logfile group 4;

Database altered

SQL>  select  thread#,group#,archived,status from v$log;

THREAD#     GROUP# ARCHIVED STATUS

---------- ---------- -------- ----------------

1          5 NO       CURRENT

2          6 YES      INACTIVE

1          7 YES      INACTIVE

2          8 NO       CURRENT

SQL> select * from v$logfile;

GROUP# STATUS  TYPE    MEMBER                            IS_RECOVERY_DEST_FILE

---------- ------- ------- --------------------------------- ---------------------

5         ONLINE  +DATA/oracle/onlinelog/group5     NO

5         ONLINE  +FRA/oracle/onlinelog/group5      NO

6         ONLINE  +DATA/oracle/onlinelog/group6     NO

6         ONLINE  +FRA/oracle/onlinelog/group6      NO

7         ONLINE  +DATA/oracle/onlinelog/group7     NO

7         ONLINE  +FRA/oracle/onlinelog/group7      NO

8         ONLINE  +DATA/oracle/onlinelog/group8     NO

8         ONLINE  +FRA/oracle/onlinelog/group8      NO

8 rows selected

SQL> /

GROUP# STATUS  TYPE    MEMBER                           IS_RECOVERY_DEST_FILE

---------- ------- ------- -------------------------------- ---------------------

5         ONLINE  +DATA/oracle/onlinelog/group5    NO

5         ONLINE  +FRA/oracle/onlinelog/group5     NO

6         ONLINE  +DATA/oracle/onlinelog/group6    NO

6         ONLINE  +FRA/oracle/onlinelog/group6     NO

7         ONLINE  +DATA/oracle/onlinelog/group7    NO

7         ONLINE  +FRA/oracle/onlinelog/group7     NO

8         ONLINE  +DATA/oracle/onlinelog/group8    NO

8         ONLINE  +FRA/oracle/onlinelog/group8     NO

8 rows selected

SQL> select  thread#,group#,archived,status from v$log;

THREAD#     GROUP# ARCHIVED STATUS

---------- ---------- -------- ----------------

1          5 NO       CURRENT

2          6 YES      INACTIVE

1          7 YES      INACTIVE

2          8 NO       CURRENT

SQL> alter system switch logfile;

System altered

SQL> /

System altered

SQL> /

System altered

SQL> /

System altered

SQL> /

System altered

SQL> select * from v$logfile;

GROUP# STATUS  TYPE    MEMBER                            IS_RECOVERY_DEST_FILE

---------- ------- ------- --------------------------------- ---------------------

5         ONLINE  +DATA/oracle/onlinelog/group5     NO

5         ONLINE  +FRA/oracle/onlinelog/group5      NO

6         ONLINE  +DATA/oracle/onlinelog/group6     NO

6         ONLINE  +FRA/oracle/onlinelog/group6      NO

7         ONLINE  +DATA/oracle/onlinelog/group7     NO

7         ONLINE  +FRA/oracle/onlinelog/group7      NO

8         ONLINE  +DATA/oracle/onlinelog/group8     NO

8         ONLINE  +FRA/oracle/onlinelog/group8      NO

8 rows selected

SQL> select  thread#,group#,archived,status from v$log;

THREAD#     GROUP# ARCHIVED STATUS

---------- ---------- -------- ----------------

1          5 YES      ACTIVE

2          6 NO       CURRENT

1          7 NO       CURRENT

2          8 YES      ACTIVE

SQL>

时间： 2024-07-30 13:49:36

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