本文主要验证lvm+raw设备 表空间的最大可用空间大小--1.建表空间之前的准备,/dev/raw/raw14大小为8M
[Oracle@master ~]$ ln -s /dev/raw/raw14 /oracle/oradata/rawt/test01.dbf--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32GSQL>
SQL>
SQL>
SQL>
SQL> select count(*) from dba_objects;COUNT(*)
----------
50032SQL> 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.
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