修改oracle重做日志文件大小
2014-11-11 13:40
357 查看
创建3个新的日志组
SQL> ALTER DATABASE ADD LOGFILE GROUP 4 ('/u01/app/oracle/oradata/orcl/redo06.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 5 ('/u01/app/oracle/oradata/orcl/redo05.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 6 ('/u01/app/oracle/oradata/orcl/redo06.log') SIZE 500M;
查看日志组
SQL> select * from v$logfile;
2.切换当前日志到新的日志组
SQL> alter system switch logfile;
SQL> alter system switch logfile;
SQL> alter system switch logfile;
切到要删除为INCACTIVE才行
SQL> select group#,sequence#,bytes,members,status from v$log;
GROUP# SEQUENCE# BYTES MEMBERS STATUS
---------- ---------- ---------- ---------- ----------------
1 139 52428800 1 INACTIVE
2 137 52428800 1 INACTIVE
3 138 52428800 1 INACTIVE
4 140 524288000 1 ACTIVE
5 141 524288000 1 CURRENT
6 136 524288000 1 INACTIVE
3.删除旧的日志组
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;
查看是否删除了日志组
SQL> select group#,sequence#,bytes,members,status from v$log;
GROUP# SEQUENCE# BYTES MEMBERS STATUS
---------- ---------- ---------- ---------- ----------------
4 140 524288000 1 INACTIVE
5 141 524288000 1 CURRENT
6 136 524288000 1 INACTIVE
4.操作系统删除原日志组1、2、3中的文件
[oracle@oracle122 log]$ cd /u01/app/oracle/oradata/orcl
[oracle@oracle122 orcl]$
[oracle@oracle122 orcl]$ pwd
/u01/app/oracle/oradata/orcl
[oracle@oracle122 orcl]$ ls
control01.ctl example01.dbf redo01.log redo02.log redo03.log redo04.log redo05.log redo06.log sysaux01.dbf system01.dbf temp01.dbf undotbs01.dbf users01.dbf
[oracle@oracle122 orcl]$ rm -rf redo01.log
[oracle@oracle122 orcl]$ rm -rf redo02.log
[oracle@oracle122 orcl]$ rm -rf redo03.log
5.重建日志组1、2、3
SQL> ALTER DATABASE ADD LOGFILE GROUP 1 ('/u01/app/oracle/oradata/orcl/redo01.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 2 ('/u01/app/oracle/oradata/orcl/redo02.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 3 ('/u01/app/oracle/oradata/orcl/redo03.log') SIZE 500M;
7.删除中间过渡用的日志组4、5、6 ,在删除时查询select group#,sequence#,bytes,members,status from v$log; 删除组是否为INACTIVE,如果不是INACTIVE 就要执行alter system switch logfile;
查询看一下
SQL> select group#,sequence#,bytes,members,status from v$log;
GROUP# SEQUENCE# BYTES MEMBERS STATUS
---------- ---------- ---------- ---------- ----------------
1 148 524288000 1 CURRENT
2 143 524288000 1 INACTIVE
3 144 524288000 1 INACTIVE
4 146 524288000 1 INACTIVE
5 147 524288000 1 INACTIVE
6 145 524288000 1 INACTIVE
SQL> alter database drop logfile group 4;
Database altered.
SQL> alter database drop logfile group 5;
Database altered.
SQL> alter database drop logfile group 6;
Database altered.
8.到操作系统删除组4、5、6
[oracle@oracle122 orcl]$ rm -rf redo04.log
[oracle@oracle122 orcl]$ rm -rf redo05.log
[oracle@oracle122 orcl]$ rm -rf redo06.log
9.备份当前最新的控制文件
SQL> alter database backup controlfile to trace resetlogs ;
本文出自 “飛鴻沓膤” 博客,请务必保留此出处http://jxzhfei.blog.51cto.com/1382161/1575285
SQL> ALTER DATABASE ADD LOGFILE GROUP 4 ('/u01/app/oracle/oradata/orcl/redo06.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 5 ('/u01/app/oracle/oradata/orcl/redo05.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 6 ('/u01/app/oracle/oradata/orcl/redo06.log') SIZE 500M;
查看日志组
SQL> select * from v$logfile;
2.切换当前日志到新的日志组
SQL> alter system switch logfile;
SQL> alter system switch logfile;
SQL> alter system switch logfile;
切到要删除为INCACTIVE才行
SQL> select group#,sequence#,bytes,members,status from v$log;
GROUP# SEQUENCE# BYTES MEMBERS STATUS
---------- ---------- ---------- ---------- ----------------
1 139 52428800 1 INACTIVE
2 137 52428800 1 INACTIVE
3 138 52428800 1 INACTIVE
4 140 524288000 1 ACTIVE
5 141 524288000 1 CURRENT
6 136 524288000 1 INACTIVE
3.删除旧的日志组
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;
查看是否删除了日志组
SQL> select group#,sequence#,bytes,members,status from v$log;
GROUP# SEQUENCE# BYTES MEMBERS STATUS
---------- ---------- ---------- ---------- ----------------
4 140 524288000 1 INACTIVE
5 141 524288000 1 CURRENT
6 136 524288000 1 INACTIVE
4.操作系统删除原日志组1、2、3中的文件
[oracle@oracle122 log]$ cd /u01/app/oracle/oradata/orcl
[oracle@oracle122 orcl]$
[oracle@oracle122 orcl]$ pwd
/u01/app/oracle/oradata/orcl
[oracle@oracle122 orcl]$ ls
control01.ctl example01.dbf redo01.log redo02.log redo03.log redo04.log redo05.log redo06.log sysaux01.dbf system01.dbf temp01.dbf undotbs01.dbf users01.dbf
[oracle@oracle122 orcl]$ rm -rf redo01.log
[oracle@oracle122 orcl]$ rm -rf redo02.log
[oracle@oracle122 orcl]$ rm -rf redo03.log
5.重建日志组1、2、3
SQL> ALTER DATABASE ADD LOGFILE GROUP 1 ('/u01/app/oracle/oradata/orcl/redo01.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 2 ('/u01/app/oracle/oradata/orcl/redo02.log') SIZE 500M;
SQL> ALTER DATABASE ADD LOGFILE GROUP 3 ('/u01/app/oracle/oradata/orcl/redo03.log') SIZE 500M;
7.删除中间过渡用的日志组4、5、6 ,在删除时查询select group#,sequence#,bytes,members,status from v$log; 删除组是否为INACTIVE,如果不是INACTIVE 就要执行alter system switch logfile;
查询看一下
SQL> select group#,sequence#,bytes,members,status from v$log;
GROUP# SEQUENCE# BYTES MEMBERS STATUS
---------- ---------- ---------- ---------- ----------------
1 148 524288000 1 CURRENT
2 143 524288000 1 INACTIVE
3 144 524288000 1 INACTIVE
4 146 524288000 1 INACTIVE
5 147 524288000 1 INACTIVE
6 145 524288000 1 INACTIVE
SQL> alter database drop logfile group 4;
Database altered.
SQL> alter database drop logfile group 5;
Database altered.
SQL> alter database drop logfile group 6;
Database altered.
8.到操作系统删除组4、5、6
[oracle@oracle122 orcl]$ rm -rf redo04.log
[oracle@oracle122 orcl]$ rm -rf redo05.log
[oracle@oracle122 orcl]$ rm -rf redo06.log
9.备份当前最新的控制文件
SQL> alter database backup controlfile to trace resetlogs ;
本文出自 “飛鴻沓膤” 博客,请务必保留此出处http://jxzhfei.blog.51cto.com/1382161/1575285
相关文章推荐
- 修改Oracle重做日志文件大小
- 修改oracle重做日志文件大小
- 修改oracle重做日志文件大小
- oracle重做日志(redolog)文件大小的更改
- 修改oracle日志文件大小
- Oracle 11g笔记——调整表空间和数据文件的大小、移动数据文件、联机重做日志文件、控制文件
- 修改oracle日志文件大小
- 请问一下,如何修改重做日志文件的大小?
- [Oracle] 增大在线重做日志文件大小
- oracle重做日志(redolog)文件大小的更改
- Oracle 联机重做日志文件(ONLINE LOG FILE)
- Oracle重做日志文件常用操作
- oracle联机重做日志文件管理!
- Oracle重做日志文件
- Oracle重做日志文件(转)
- 修改online redo日志文件大小
- Oracle 修改日志大小及增加日志成员
- Oracle 联机重做日志文件(ONLINE LOG FILE)
- 修改数据库日志文件大小
- 更改重做日志(redolog)文件的大小