RMAN完全恢复案例(三)
案例3:
--表空间数据文件全部丢失,恢复数据文件(open)
1)测试环境
07:37:23 SQL> insert into scott.test values (6);
1 row created.
07:39:18 SQL> insert into scott.test values (7);
1 row created.
07:39:20 SQL> insert into scott.test values (8);
1 row created.
07:39:21 SQL> commit;
Commit complete.
07:39:23 SQL> select * from scott.test;
ID
----------
6
7
8
1
2
3
4
5
8 rows selected.
07:40:06 SQL>
----在open 状态下datafile 被破坏
[oracle@work ~]$ rm /u01/app/oracle/oradata/prod/test0*.dbf
[oracle@work ~]$
07:41:19 SQL> alter system flush buffer_cache;
System altered.
07:41:25 SQL> conn scott/tiger
Connected.
07:41:28 SQL>
07:41:28 SQL> insert into scott.test values (10);
insert into scott.test values (10)
*
ERROR at line 1:
ORA-01116: error in opening database file 8
ORA-01110: data file 8: '/u01/app/oracle/oradata/prod/test02.dbf'
ORA-27041: unable to open file
Linux Error: 2: No such file or directory
Additional information: 3
07:41:31 SQL>
2)利用rman 恢复
RMAN> run {
2> sql 'alter database datafile 6,8 offline';
3> restore datafile 6,8;
4> recover datafile 6,8;
5> sql 'alter database datafile 6,8 online';
6> }
3)验证
07:41:31 SQL> insert into scott.test values (10);
1 row created.
07:45:58 SQL> commit;
Commit complete.
07:46:01 SQL> select * from test;
ID
----------
10
6
7
8
9
1
2
3
4
5
10 rows selected.
07:46:04 SQL>
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