接上一篇，
如果丢失数据库默认表空间的任一数据文件，数据库会不会shutdown?如何恢复?
sys@ORCL> desc database_properties;
Name Null? Type
------------------------------------------------ -------- ---------------------------------
PROPERTY_NAME NOT NULL VARCHAR2(30)
PROPERTY_VALUE VARCHAR2(4000)
DESCRIPTION VARCHAR2(4000)
sys@ORCL> col property_value for a30
sys@ORCL> select property_name,property_value from database_properties;
PROPERTY_NAME PROPERTY_VALUE
------------------------------ ------------------------------
DICT.BASE 2
DEFAULT_TEMP_TABLESPACE TEMP
DEFAULT_PERMANENT_TABLESPACE USERS
NLS_CSMIG_SCHEMA_VERSION 5
...
sys@ORCL> col file_name for a80
sys@ORCL> select tablespace_name,file_name from dba_data_files;
TABLESPACE_NAME FILE_NAME
------------------------------ -------------------------------------------------------------------
UNDOTBS2 /u01/app/oracle/oradata/ORCL/datafile/undotbs2.dbf
TT /u01/app/oracle/oradata/ORCL/datafile/tt1.dbf
TBSLOGMNR /u01/app/oracle/oradata/ORCL/datafile/o1_mf_tbslogmn_6vdjocp1_.dbf
TT /u01/app/oracle/oradata/ORCL/datafile/tt.dbf
EXAMPLE /u01/app/oracle/oradata/ORCL/datafile/o1_mf_example_6cgckxc7_.dbf
USERS /u01/app/oracle/oradata/ORCL/datafile/o1_mf_users_6cgckxds_.dbf
SYSAUX /u01/app/oracle/oradata/ORCL/datafile/o1_mf_sysaux_71wv5vkw_.dbf
TEST /u01/app/oracle/oradata/ORCL/datafile/test.dbf
SYSTEM /u01/app/oracle/oradata/ORCL/datafile/o1_mf_system_6cgckx95_.dbf
SMAILTBS /u01/app/oracle/oradata/ORCL/datafile/smailtbs.dbf
10 rows selected.
sys@ORCL> alter database set default tablespace tt;
alter database set default tablespace tt
*
ERROR at line 1:
ORA-02231: missing or invalid option to ALTER DATABASE
sys@ORCL> alter database default tablespace tt;
Database altered.
sys@ORCL> select username,default_tablespace from dba_users;
USERNAME DEFAULT_TABLESPACE
------------------------------ ------------------------------
STOCK TT
RMAN TT
OPS$ZHANG TT
TEST TT
ANBOB TT
WEEJAR TT
QINWEN TT
SCOTT TT
HR TT
TSMSYS TT
BI TT
PM TT
MDDATA TT
IX TT
SH TT
DIP TT
OE TT
DBSNMP SYSAUX
SYSMAN SYSAUX
MDSYS SYSAUX
ORDSYS SYSAUX
EXFSYS SYSAUX
DMSYS SYSAUX
WMSYS SYSAUX
CTXSYS SYSAUX
ANONYMOUS SYSAUX
XDB SYSAUX
ORDPLUGINS SYSAUX
SI_INFORMTN_SCHEMA SYSAUX
OLAPSYS SYSAUX
CSMIG SYSTEM
MGMT_VIEW SYSTEM
SYS SYSTEM
SYSTEM SYSTEM
OUTLN SYSTEM
35 rows selected.
sys@ORCL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
[oracle@orazhang ~]$ rman target/
Recovery Manager: Release 10.2.0.1.0 - Production on D??ú?? 7?? 15 10:30:50 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: ORCL (DBID=1246063822)
RMAN> show all;
RMAN configuration parameters are:
CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 30 DAYS;
CONFIGURE BACKUP OPTIMIZATION OFF; # default
CONFIGURE DEFAULT DEVICE TYPE TO DISK; # default
CONFIGURE CONTROLFILE AUTOBACKUP ON;
CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK TO '/u01/app/oracle/backfile/%F';
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 1;
CONFIGURE DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE DISK TO 1; # default
CONFIGURE CHANNEL DEVICE TYPE DISK MAXPIECESIZE 1 G;
CONFIGURE MAXSETSIZE TO UNLIMITED; # default
CONFIGURE ENCRYPTION FOR DATABASE OFF; # default
CONFIGURE ENCRYPTION ALGORITHM 'AES128'; # default
CONFIGURE ARCHIVELOG DELETION POLICY TO NONE; # default
CONFIGURE SNAPSHOT CONTROLFILE NAME TO '/u01/app/oracle/product/10.2.0/db_1/dbs/snapcf_orcl.f'; # default
RMAN> backup database;
Starting backup at 2011-07-15 10:31:17
using channel ORA_DISK_1
channel ORA_DISK_1: starting compressed full datafile backupset
channel ORA_DISK_1: specifying datafile(s) in backupset
input datafile fno=00001 name=/u01/app/oracle/oradata/ORCL/datafile/o1_mf_system_6cgckx95_.dbf
input datafile fno=00003 name=/u01/app/oracle/oradata/ORCL/datafile/o1_mf_sysaux_71wv5vkw_.dbf
input datafile fno=00012 name=/u01/app/oracle/oradata/ORCL/datafile/undotbs2.dbf
input datafile fno=00002 name=/u01/app/oracle/oradata/ORCL/datafile/test.dbf
input datafile fno=00005 name=/u01/app/oracle/oradata/ORCL/datafile/o1_mf_example_6cgckxc7_.dbf
input datafile fno=00007 name=/u01/app/oracle/oradata/ORCL/datafile/o1_mf_tbslogmn_6vdjocp1_.dbf
input datafile fno=00004 name=/u01/app/oracle/oradata/ORCL/datafile/o1_mf_users_6cgckxds_.dbf
input datafile fno=00008 name=/u01/app/oracle/oradata/ORCL/datafile/smailtbs.dbf
input datafile fno=00006 name=/u01/app/oracle/oradata/ORCL/datafile/tt.dbf
input datafile fno=00009 name=/u01/app/oracle/oradata/ORCL/datafile/tt1.dbf
channel ORA_DISK_1: starting piece 1 at 2011-07-15 10:31:17
channel ORA_DISK_1: finished piece 1 at 2011-07-15 10:32:52
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/20mhg8fl_1_1 tag=TAG20110715T103117 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:01:35
Finished backup at 2011-07-15 10:32:52
Starting Control File and SPFILE Autobackup at 2011-07-15 10:32:52
piece handle=/u01/app/oracle/backfile/c-1246063822-20110715-00 comment=NONE
Finished Control File and SPFILE Autobackup at 2011-07-15 10:32:53
RMAN> exit
Recovery Manager complete.
[oracle@orazhang ~]$ ora
SQL*Plus: Release 10.2.0.1.0 - Production on D??ú?? 7?? 15 10:34:23 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
sys@ORCL> select open_mode from v$database;
OPEN_MODE
----------
READ WRITE
sys@ORCL> ! rm /u01/app/oracle/oradata/ORCL/datafile/tt.dbf
sys@ORCL> ! ls /u01/app/oracle/oradata/ORCL/datafile/
o1_mf_example_6cgckxc7_.dbf o1_mf_system_6cgckx95_.dbf o1_mf_temp_6cgcv90w_.tmp o1_mf_users_6cgckxds_.dbf tbsg1.gdbf test.dbf undotbs2.dbf
o1_mf_sysaux_71wv5vkw_.dbf o1_mf_tbslogmn_6vdjocp1_.dbf o1_mf_undotbs2_6vl4kd8r_.dbf smailtbs.dbf temp.dbf tt1.dbf
sys@ORCL> alter system checkpoint;
System altered.
sys@ORCL> select open_mode from v$database;
OPEN_MODE
----------
READ WRITE
sys@ORCL> conn anbob/anbob
Connected.
anbob@ORCL> create table testdeftbs(id int);
Table created.
anbob@ORCL> alter table testdeftbs move tablespace tt;
Table altered.
anbob@ORCL> insert into testdeftbs values(333);
1 row created.
anbob@ORCL> commit;
Commit complete.
anbob@ORCL> conn system/oracle
Connected.
system@ORCL> select segment_name,tablespace_name from dba_segments where segment_name='TESTDEFTBS';
SEGMENT_NAME TABLESPACE_NAME
--------------------------------------------------------------------------------- ------------------------------
TESTDEFTBS TT
system@ORCL> select property_name,property_value from database_properties where property_name like '%TABLESPACE';
PROPERTY_NAME PROPERTY_VALUE
------------------------------ --------------------
DEFAULT_TEMP_TABLESPACE TEMP
DEFAULT_PERMANENT_TABLESPACE TT
system@ORCL> alter tablespace tt offline;
alter tablespace tt offline
*
ERROR at line 1:
ORA-01191: file 6 is already offline - cannot do a normal offline
ORA-01110: data file 6: '/u01/app/oracle/oradata/ORCL/datafile/tt.dbf'
sys@ORCL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
[oracle@orazhang ~]$ rman target/
Recovery Manager: Release 10.2.0.1.0 - Production on D??ú?? 7?? 15 10:49:13 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: ORCL (DBID=1246063822)
RMAN> restore tablespace tt;
Starting restore at 2011-07-15 10:49:21
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=145 devtype=DISK
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00006 to /u01/app/oracle/oradata/ORCL/datafile/tt.dbf
restoring datafile 00009 to /u01/app/oracle/oradata/ORCL/datafile/tt1.dbf
channel ORA_DISK_1: reading from backup piece /u01/app/oracle/product/10.2.0/db_1/dbs/20mhg8fl_1_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 07/15/2011 10:49:25
ORA-19870: error reading backup piece /u01/app/oracle/product/10.2.0/db_1/dbs/20mhg8fl_1_1
ORA-19573: cannot obtain exclusive enqueue for datafile 9
RMAN> exit
Recovery Manager complete.
[oracle@orazhang ~]$ ora
SQL*Plus: Release 10.2.0.1.0 - Production on D??ú?? 7?? 15 10:49:46 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
sys@ORCL> alter database close;
Database altered.
sys@ORCL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
[oracle@orazhang ~]$ rman target/
Recovery Manager: Release 10.2.0.1.0 - Production on D??ú?? 7?? 15 10:50:34 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: ORCL (DBID=1246063822, not open)
RMAN> restore tablespace tt;
Starting restore at 2011-07-15 10:50:38
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=156 devtype=DISK
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00006 to /u01/app/oracle/oradata/ORCL/datafile/tt.dbf
restoring datafile 00009 to /u01/app/oracle/oradata/ORCL/datafile/tt1.dbf
channel ORA_DISK_1: reading from backup piece /u01/app/oracle/product/10.2.0/db_1/dbs/20mhg8fl_1_1
channel ORA_DISK_1: restored backup piece 1
piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/20mhg8fl_1_1 tag=TAG20110715T103117
channel ORA_DISK_1: restore complete, elapsed time: 00:00:16
Finished restore at 2011-07-15 10:50:55
RMAN> exit
Recovery Manager complete.
[oracle@orazhang ~]$ ora
SQL*Plus: Release 10.2.0.1.0 - Production on D??ú?? 7?? 15 10:51:11 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
idle> alter database open;
alter database open
*
ERROR at line 1:
ORA-16196: database has been previously opened and closed
idle> shutdown immediate
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
idle> startup
ORACLE instance started.
Total System Global Area 1258291200 bytes
Fixed Size 1219184 bytes
Variable Size 419431824 bytes
Database Buffers 822083584 bytes
Redo Buffers 15556608 bytes
Database mounted.
ORA-01113: file 9 needs media recovery
ORA-01110: data file 9: '/u01/app/oracle/oradata/ORCL/datafile/tt1.dbf'
idle> recover tablespace tt;
Media recovery complete.
idle> startup force;
ORACLE instance started.
Total System Global Area 1258291200 bytes
Fixed Size 1219184 bytes
Variable Size 419431824 bytes
Database Buffers 822083584 bytes
Redo Buffers 15556608 bytes
Database mounted.
Database opened.
idle> select * from v$version where rownum=1;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
idle> archive log list;
Database log mode Archive Mode
Automatic archival Enabled
Archive destination /backup
Oldest online log sequence 16
Next log sequence to archive 19
Current log sequence 19