测试Oracle 11gr2 RAC 非归档模式下，offline drop数据文件后的数据库的停止与启动测试全过程
测试Oracle 11gr2 RAC 非归档模式下，offline drop数据文件后的数据库的停止与启动测试全过程
最近系统出现问题，由于数据库产生的日志量太大无法开启归档模式，导致offline的数据文件无法online！
数据库在启动的时候不检查offline的数据文件！
下面进行测试
数据库版本
SQL> select * from v$version; BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
1.新建一个test表空间，add 10个数据文件，每个数据文件1M
SQL> create tablespace tb_test datafile '+data/db11/datafile/test01.dbf' size 1M autoextend off; Tablespace created. alter tablespace tb_test add datafile '+data/db11/datafile/test02.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test03.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test04.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test05.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test06.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test07.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test08.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test09.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test10.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test11.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test12.dbf' size 1M autoextend off;
alter tablespace tb_test add datafile '+data/db11/datafile/test13.dbf' size 100M autoextend off; SQL> select FILE_NAME,FILE_ID,TABLESPACE_NAME,BYTES from dba_data_files where TABLESPACE_NAME='TB_TEST'; FILE_NAME FILE_ID TABLESPACE_NAME BYTES
-------------------------------------------------- ---------- ------------------------------ ----------
+DATA/db11/datafile/test01.dbf 6 TB_TEST 1048576
+DATA/db11/datafile/test02.dbf 7 TB_TEST 1048576
+DATA/db11/datafile/test03.dbf 8 TB_TEST 1048576
+DATA/db11/datafile/test04.dbf 9 TB_TEST 1048576
+DATA/db11/datafile/test05.dbf 10 TB_TEST 1048576
+DATA/db11/datafile/test06.dbf 11 TB_TEST 1048576
+DATA/db11/datafile/test07.dbf 12 TB_TEST 1048576
+DATA/db11/datafile/test08.dbf 13 TB_TEST 1048576
+DATA/db11/datafile/test09.dbf 14 TB_TEST 1048576
+DATA/db11/datafile/test10.dbf 15 TB_TEST 1048576
+DATA/db11/datafile/test11.dbf 16 TB_TEST 1048576
+DATA/db11/datafile/test12.dbf 17 TB_TEST 1048576
+DATA/db11/datafile/test13.dbf 18 TB_TEST 104857600 13 rows selected.
2.创建用户，默认表空间为test
SQL> create user test identified by test default tablespace tb_test; User created. SQL> grant dba to test; Grant succeeded. SQL> select username,DEFAULT_TABLESPACE from dba_users where username='TEST'; USERNAME DEFAULT_TABLESPACE
------------------------------ ------------------------------
TEST TB_TEST 查看表空间大小
TS_NAME PIECES TS_SIZE LARGESTPC TOTALFREE PCT_FREE WHATSUSED PCT_USED PROBL
------------------------------ ---------- ---------- ---------- ---------- ---------- ---------- ---------- -----
SYSTEM 2 720 9 9.69 1.35 710.31 98.65 +++++
UNDOTBS1 1 95 4 4 4.21 91 95.79 +++
SYSAUX 1 580 33.31 33.31 5.74 546.69 94.26 +++
UNDOTBS2 2 25 7 7.13 28.52 17.87 71.48
USERS 1 5 3.69 3.69 73.8 1.31 26.2
TB_TEST 13 112 99 110.25 98.44 1.75 1.56
3.创建表
SQL> conn test/test
Connected.
SQL> create table test as select * from dba_objects; Table created. SQL> insert into test select * from dba_objects; 74555 rows created. SQL> / 74555 rows created. SQL> / 74555 rows created. SQL> commit; Commit complete. SQL> select distinct FILE_ID,RELATIVE_FNO,OWNER,SEGMENT_NAME,SEGMENT_TYPE from dba_extents where SEGMENT_NAME='TEST' and OWNER='TEST'; FILE_ID RELATIVE_FNO OWNER SEGMENT_NAME SEGMENT_TYPE
---------- ------------ ------------------------------ ------------------------------ ------------------
10 10 TEST TEST TABLE
18 18 TEST TEST TABLE
9 9 TEST TEST TABLE
4.数据文件offline
SQL> select count(*) from test; COUNT(*)
----------
820105 SQL> alter database datafile 9 offline;
alter database datafile 9 offline
*
ERROR at line 1:
ORA-01145: offline immediate disallowed unless media recovery enabled SQL> alter database datafile 9 offline drop; Database altered. SQL> select count(*) from test;
select count(*) from test
*
ERROR at line 1:
ORA-00376: file 9 cannot be read at this time
ORA-01110: data file 9: '+DATA/db11/datafile/test04.dbf' SQL> alter database datafile 10 offline drop; Database altered. SQL> alter system switch logfile; ---切换日志，让日志覆盖 System altered. SQL> /
/
/
/ System altered. SQL> /
System altered. SQL> System altered. SQL> System altered. SQL> select FILE#,name,STATUS from v$datafile; FILE# NAME STATUS
---------- -------------------------------------------------- -------
1 +DATA/db11/datafile/system.256.869601781 SYSTEM
2 +DATA/db11/datafile/sysaux.257.869601783 ONLINE
3 +DATA/db11/datafile/undotbs1.258.869601783 ONLINE
4 +DATA/db11/datafile/users.259.869601783 ONLINE
5 +DATA/db11/datafile/undotbs2.264.869602055 ONLINE
6 +DATA/db11/datafile/test01.dbf ONLINE
7 +DATA/db11/datafile/test02.dbf ONLINE
8 +DATA/db11/datafile/test03.dbf ONLINE
9 +DATA/db11/datafile/test04.dbf RECOVER
10 +DATA/db11/datafile/test05.dbf RECOVER
11 +DATA/db11/datafile/test06.dbf ONLINE
12 +DATA/db11/datafile/test07.dbf ONLINE
13 +DATA/db11/datafile/test08.dbf ONLINE
14 +DATA/db11/datafile/test09.dbf ONLINE
15 +DATA/db11/datafile/test10.dbf ONLINE
16 +DATA/db11/datafile/test11.dbf ONLINE
17 +DATA/db11/datafile/test12.dbf ONLINE
18 +DATA/db11/datafile/test13.dbf ONLINE 尝试online
SQL> alter database datafile 9 online;
alter database datafile 9 online
*
ERROR at line 1:
ORA-01113: file 9 needs media recovery
ORA-01110: data file 9: '+DATA/db11/datafile/test04.dbf' SQL> recovery datafile 9;
SP2-0734: unknown command beginning "recovery d..." - rest of line ignored.
SQL> recover datafile 9
ORA-00279: change 1098981 generated at 01/21/2015 21:23:54 needed for thread 1
ORA-00289: suggestion : /u01/app/oracle/product/11.2.0/dbs/arch1_5_869601908.dbf
ORA-00280: change 1098981 for thread 1 is in sequence #5 Specify log: {<RET>=suggested | filename | AUTO | CANCEL} ORA-00308: cannot open archived log '/u01/app/oracle/product/11.2.0/dbs/arch1_5_869601908.dbf' -----日志已覆盖，不能恢复
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3 由于是非归档模式，日志被覆盖，不可恢复。
5.重启数据库
db111@testdb11a /u01/app/oracle/datafile$ srvctl stop database -d db11 -o immediate
db111@testdb11a /u01/app/oracle/datafile$ srvctl status database -d db11
Instance db111 is not running on node testdb11a
Instance db112 is not running on node testdb11b
db111@testdb11a /u01/app/oracle/datafile$ srvctl start database -d db11 -o open
db111@testdb11a /u01/app/oracle/datafile$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.3.0 Production on Wed Jan 21 22:02:27 2015 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options SQL> select name,open_mode from v$database; NAME OPEN_MODE
--------- --------------------
DB11 READ WRITE SQL> select instance_name,status from gv$instance; INSTANCE_NAME STATUS
---------------- ------------
db111 OPEN
db112 OPEN ----------成功
6.操作系统删除offline的数据文件后重启数据库
ASMCMD> ls
SYSAUX.257.869601783
SYSTEM.256.869601781
TB_TEST.268.869606509
TB_TEST.269.869606563
TB_TEST.270.869606635
TB_TEST.271.869606635
TB_TEST.272.869606635
TB_TEST.273.869606635
TB_TEST.274.869606635
TB_TEST.275.869606635
TB_TEST.276.869606637
TB_TEST.277.869606637
TB_TEST.278.869607073
TB_TEST.279.869607073
TB_TEST.280.869607275
UNDOTBS1.258.869601783
UNDOTBS2.264.869602055
USERS.259.869601783
test01.dbf
test02.dbf
test03.dbf
test04.dbf
test05.dbf
test06.dbf
test07.dbf
test08.dbf
test09.dbf
test10.dbf
test11.dbf
test12.dbf
test13.dbf
ASMCMD>
ASMCMD>
ASMCMD> rm test04.dbf
ASMCMD> rm test05.dbf
ASMCMD> ls
SYSAUX.257.869601783
SYSTEM.256.869601781
TB_TEST.268.869606509
TB_TEST.269.869606563
TB_TEST.270.869606635
TB_TEST.273.869606635
TB_TEST.274.869606635
TB_TEST.275.869606635
TB_TEST.276.869606637
TB_TEST.277.869606637
TB_TEST.278.869607073
TB_TEST.279.869607073
TB_TEST.280.869607275
UNDOTBS1.258.869601783
UNDOTBS2.264.869602055
USERS.259.869601783
test01.dbf
test02.dbf
test03.dbf
test06.dbf
test07.dbf
test08.dbf
test09.dbf
test10.dbf
test11.dbf
test12.dbf
test13.dbf db111@testdb11a /u01/app/oracle/datafile$ srvctl stop database -d db11 -o immediate
db111@testdb11a /u01/app/oracle/datafile$ srvctl status database -d db11
Instance db111 is not running on node testdb11a
Instance db112 is not running on node testdb11b
db111@testdb11a /u01/app/oracle/datafile$ srvctl start database -d db11 -o open
db111@testdb11a /u01/app/oracle/datafile$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.3.0 Production on Wed Jan 21 22:10:12 2015 Copyright (c) 1982, 2011, Oracle. All rights reserved. Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options SQL> select instance_name,status from gv$instance; INSTANCE_NAME STATUS
---------------- ------------
db111 OPEN
db112 OPEN
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