ORA-01552: cannot use system rollback segment for...错误解决
故障现象:今天本要做数据库的不完全恢复,但是在准备环境的时候需要创建几张表做为恢复用的基表。在创建表的时候
就报了如下一段错误:
13:56:03 SQL> create table wwl001 (id number,name varchar(12));
create table wwl001 (id number,name varchar(12))
*
ERROR at line 1:
ORA-01552: cannot use system rollback segment for non-system tablespace "WWL";!!!! 非系统表空间"WWL"不能使用系统回滚段问题原因:
我昨天做了由于磁盘损坏导致数据库灾难的恢复,可能是由于恢复的时候参数文件修改了,所以才导致成回滚段
变成了手动管理模式,我们可以看看如下步骤:详情:1、创建表,非系统表空间不能使用回滚段
13:56:03 SQL> create table wwl001 (id number,name varchar(12));
create table wwl001 (id number,name varchar(12))
*
ERROR at line 1:
ORA-01552: cannot use system rollback segment for non-system tablespace "WWL";2、查看回滚段管理方式,为手动管理
13:57:24 SQL> show parameter undoNAME TYPE VALUE
------------------------------------ ----------- ------------------------------
undo_management string MANUAL
undo_retention integer 900
undo_tablespace string UNDOTBS13、查看回滚段状态
13:57:23 SQL> select segment_name, tablespace_name, status from dba_rollback_segs;SEGMENT_NAME TABLESPACE_NAME STATUS
------------------------------ ------------------------------ ----------------
SYSTEM SYSTEM ONLINE
_SYSSMU1$ UNDOTBS1 OFFLINE
_SYSSMU2$ UNDOTBS1 OFFLINE
_SYSSMU3$ UNDOTBS1 OFFLINE
_SYSSMU4$ UNDOTBS1 OFFLINE
_SYSSMU5$ UNDOTBS1 OFFLINE
_SYSSMU6$ UNDOTBS1 OFFLINE
_SYSSMU7$ UNDOTBS1 OFFLINE
_SYSSMU8$ UNDOTBS1 OFFLINE
_SYSSMU9$ UNDOTBS1 OFFLINE
_SYSSMU10$ UNDOTBS1 OFFLINE11 rows selected.4、针对现象修改undo_management参数为auto即可。14:08:06 SQL> alter system set undo_management=auto scope=spfile;System altered.14:17:51 SQL> shutdown immediate
Database closed.
Database dismounted.
Oracle instance shut down.
14:18:22 SQL> startup
ORACLE instance started.Total System Global Area 100663296 bytes
Fixed Size 1217884 bytes
Variable Size 88083108 bytes
Database Buffers 8388608 bytes
Redo Buffers 2973696 bytes
Database mounted.
Database opened.5、查看回滚段状态
14:18:55 SQL> select segment_name, tablespace_name, status from dba_rollback_segs;SEGMENT_NAME TABLESPACE_NAME STATUS
------------------------------ ------------------------------ ----------------
SYSTEM SYSTEM ONLINE
_SYSSMU1$ UNDOTBS1 ONLINE
_SYSSMU2$ UNDOTBS1 ONLINE
_SYSSMU3$ UNDOTBS1 ONLINE
_SYSSMU4$ UNDOTBS1 ONLINE
_SYSSMU5$ UNDOTBS1 ONLINE
_SYSSMU6$ UNDOTBS1 ONLINE
_SYSSMU7$ UNDOTBS1 ONLINE
_SYSSMU8$ UNDOTBS1 ONLINE
_SYSSMU9$ UNDOTBS1 ONLINE
_SYSSMU10$ UNDOTBS1 ONLINE11 rows selected.6、我们再执行刚才的建表语句,非常好,可以创建表了。
14:19:51 SQL> create table wwl001 (id number,name varchar(12));Table created.
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