本文主要验证lvm+raw设备 表空间的最大可用空间大小
--2.创建表空间
SQL> create tablespace test
datafile '/oracle/oradata/rawt/test01.dbf' size 2M
autoextend on;
--3.查看文件大小，并插入数据直到空间不足
SQL> select bytes/1024/1024,maxbytes/1024/1024 from dba_data_files where file_id=5;
BYTES/1024/1024 MAXBYTES/1024/1024
--------------- ------------------
2 32767.9844 --创建表空间时，没有指定最大值，这个地方为约32G
SQL>
SQL>
SQL>
SQL>
SQL> select count(*) from dba_objects;
COUNT(*)
----------
50032
SQL> create table t (id int,name varchar2(20)) tablespace test;
Table created.
SQL> insert into t select rownum,'1111111111' from dba_objects where rownum<50000;
49999 rows created.
SQL> commit;
Commit complete.
SQL> insert into t select rownum,'1111111111' from dba_objects where rownum<50000;
49999 rows created.
SQL> commit;
Commit complete.
SQL> insert into t select rownum,'1111111111' from dba_objects where rownum<50000;
49999 rows created.
SQL> insert into t select rownum,'1111111111' from dba_objects where rownum<50000;
49999 rows created.
SQL> insert into t select rownum,'1111111111' from dba_objects where rownum<50000;
49999 rows created.
SQL> insert into t select rownum,'1111111111' from dba_objects where rownum<50000;
insert into t select rownum,'1111111111' from dba_objects where rownum<50000
*
ERROR at line 1:
ORA-01653: unable to extend table SYS.T by 128 in tablespace TEST
SQL> commit;
Commit complete.