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分类: Oracle

2014-06-09 16:49:34

测试表空间TSPITR恢复


oracle提供三中粒度的恢复: 表级别(flashback) 表空间级别(TSPITR) 数据库级别(flashback或者rman)

其中TSPITR级别的恢复可以恢复某个表空间的数据到某个时间点,恢复的同时不影响其他表空间的使用.



Limitations of TSPITR

After TSPITR completes, RMAN recovers the data files in the recovery set to the target time. Note the following special cases:

  • TSPITR does not recover query optimizer statistics for recovered objects.You must gather new statistics after TSPITR completes.

    统计信息不会恢复,需要的话自己生产

  • If you run TSPITR on a tablespace and bring the tablespace online at time t, then backups of the tablespace created before time t are no longer usable for recovery with a current control file. You cannot use the current control file to recover the database to any time less than or equal to t.

    恢复表空间到时间点T,时间T之前的创建的表空间备份 不能用来恢复. 不能用当前控制文件恢复 数据库 到早于或者等于时间点T.

  • If one or more data files in the recovery set have Oracle Managed File (OMF) names and the compatibility in the target database is set to version 10.1 or earlier, RMAN cannot reuse the data file. This restriction is true even if no SET NEWNAME command is provided for the data file. A new OMF name is created for the recovery set data file. This action temporarily doubles the space requirements for the data file. This is because DB_CREATE_FILE_DEST has two copies of the data file (the original data file and the one used by TSPITR) until the tablespace is dropped in the target and the original data file is deleted.

    版本是10.0或者更早,或者有OMF文件存在, rman不能reuse 数据文件. 注意空间.

来源: <>


Identify and Resolve Dependencies on the Primary Database


RMAN TSPITR requires that the tablespace be self-contained and that no SYS -owned objects reside in the tablespace. You can use theDBMS_TTS.TRANSPORT_SET_CHECK procedure to locate objects outside the tablespace and identify relationships between objects that span the recovery set boundaries. If the TRANSPORT_SET_VIOLATIONS view returns rows, you must investigate and correct the problem according to the choices mentioned earlier in this step.

来源: <>
 




[oracle@my2950 bin]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.3.0 Production on Mon Jun 9 15:30:31 2014
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, OLAP, Data Mining and Real Application Testing options

SQL>
SQL> col file_name for a50
SQL> col tablespace_name for a50
SQL> select FILE_NAME,TABLESPACE_NAME from dba_data_files;

FILE_NAME                                          TABLESPACE_NAME
-------------------------------------------------- --------------------------------------------------
/u02/oradata/mydb1/users01.dbf                     USERS
/u02/oradata/mydb1/undotbs101.dbf                  UNDOTBS1
/u02/oradata/mydb1/sysaux01.dbf                    SYSAUX
/u02/oradata/mydb1/system01.dbf                    SYSTEM
/u02/oradata/mydb1/zabbix101.dbf                   ZABBIX
/u02/oradata/mydb1/hyperic0101.dbf                 TS_HQDB
/u02/oradata/mydb1/ccdata.dbf                      CCDATA

7 rows selected.

SQL> SELECT * FROM  TRANSPORT_SET_VIOLATIONS;

no rows selected

SQL> BEGIN
   DBMS_TTS.TRANSPORT_SET_CHECK('CCDATA', TRUE,TRUE);
END;
  4  /

PL/SQL procedure successfully completed.

SQL> 
SQL> SELECT * FROM  TRANSPORT_SET_VIOLATIONS;

no rows selected

SQL>

Identify and Preserve Objects That Are Lost After TSPITR


需要的时间点 scn 是 44929642 

SELECT OWNER, NAME, TABLESPACE_NAME,
       TO_CHAR(CREATION_TIME,'YYYY-MM-DD:HH24:MI:SS')
       FROM TS_PITR_OBJECTS_TO_BE_DROPPED
WHERE TABLESPACE_NAME IN ('CCDATA')
AND CREATION_TIME > TO_DATE(TO_CHAR(SCN_TO_TIMESTAMP(44929642 ),
'MM/DD/YYYY HH24:MI:SS'),
'MM/DD/YYYY HH24:MI:SS')
ORDER BY TABLESPACE_NAME, CREATION_TIME;

执行表空间TSPITR恢复

[oracle@my2950 bin]$ mkdir /tmp/tspitr
[oracle@my2950 bin]$

[oracle@my2950 bin]$ rman target /

Recovery Manager: Release 11.2.0.3.0 - Production on Mon Jun 9 16:02:02 2014

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: MYDB1 (DBID=1497461080)

RMAN>
RMAN> recover tablespace CCDATA until scn 44929642 auxiliary destination '/tmp/tspimr';

RMAN> recover tablespace CCDATA until scn 44929642 auxiliary destination '/tmp/tspimr';

Starting recover at 09-JUN-2014 16:04:29
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1579 device type=DISK
RMAN-05026: WARNING: presuming following set of tablespaces applies to specified point-in-time

List of tablespaces expected to have UNDO segments
Tablespace SYSTEM
Tablespace UNDOTBS1

Creating automatic instance, with SID='zqDv'

initialization parameters used for automatic instance:
db_name=MYDB1
db_unique_name=zqDv_tspitr_MYDB1
compatible=11.2.0.0.0
db_block_size=8192
db_files=200
sga_target=280M
processes=50
db_create_file_dest=/tmp/tspimr
log_archive_dest_1='location=/tmp/tspimr'
#No auxiliary parameter file used


starting up automatic instance MYDB1


RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of recover command at 06/09/2014 16:04:50
RMAN-04014: startup failed: ORA-01261: Parameter db_create_file_dest destination string cannot be translated
ORA-01262: Stat failed on a file destination directory
Linux-x86_64 Error: 2: No such file or directory

RMAN>


[oracle@my2950 bin]$ mkdir /u04/tspitr
[oracle@my2950 bin]$ ll -d /u04/tspitr/
drwxr-xr-x 2 oracle dba 6 Jun  9 16:11 /u04/tspitr//
[oracle@my2950 bin]$


[oracle@my2950 bin]$ rman target /

Recovery Manager: Release 11.2.0.3.0 - Production on Mon Jun 9 16:18:48 2014

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

connected to target database: MYDB1 (DBID=1497461080)

RMAN> recover tablespace CCDATA until scn 44929642 auxiliary destination '/u04/tspitr';


Starting recover at 09-JUN-2014 16:19:22
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=1533 device type=DISK
RMAN-05026: WARNING: presuming following set of tablespaces applies to specified point-in-time

List of tablespaces expected to have UNDO segments
Tablespace SYSTEM
Tablespace UNDOTBS1

Creating automatic instance, with SID='Blig'

initialization parameters used for automatic instance:
db_name=MYDB1
db_unique_name=Blig_tspitr_MYDB1
compatible=11.2.0.0.0
db_block_size=8192
db_files=200
sga_target=280M
processes=50
db_create_file_dest=/u04/tspitr
log_archive_dest_1='location=/u04/tspitr'
#No auxiliary parameter file used


starting up automatic instance MYDB1



Oracle instance started

Total System Global Area     292278272 bytes

Fixed Size                     2227744 bytes
Variable Size                100663776 bytes
Database Buffers             184549376 bytes
Redo Buffers                   4837376 bytes
Automatic instance created
Running TRANSPORT_SET_CHECK on recovery set tablespaces


TRANSPORT_SET_CHECK completed successfully

contents of Memory Script:
{
# set requested point in time
set until  scn 44929642;
# restore the controlfile
restore clone controlfile;
# mount the controlfile
sql clone 'alter database mount clone database';
# archive current online log
sql 'alter system archive log current';
# avoid unnecessary autobackups for structural changes during TSPITR
sql 'begin dbms_backup_restore.AutoBackupFlag(FALSE); end;';
}
executing Memory Script

executing command: SET until clause

Starting restore at 09-JUN-2014 16:19:59
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=58 device type=DISK

channel ORA_AUX_DISK_1: starting datafile backup set restore
channel ORA_AUX_DISK_1: restoring control file
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/DB_87pack2f_1_1
channel ORA_AUX_DISK_1: piece handle=/u05/rman/DB_87pack2f_1_1 tag=TAG20140609T043024
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
output file name=/u04/tspitr/MYDB1/controlfile/o1_mf_9sbvkj93_.ctl
Finished restore at 09-JUN-2014 16:20:01

sql statement: alter database mount clone database




sql statement: alter system archive log current

sql statement: begin dbms_backup_restore.AutoBackupFlag(FALSE); end;

contents of Memory Script:
{
# set requested point in time
set until  scn 44929642;
plsql <<<-- tspitr_2
declare
  sqlstatement       varchar2(512);
  offline_not_needed exception;
  pragma exception_init(offline_not_needed, -01539);
begin
  sqlstatement := 'alter tablespace '||  'CCDATA' ||' offline immediate';
  krmicd.writeMsg(6162, sqlstatement);
  krmicd.execSql(sqlstatement);
exception
  when offline_not_needed then
    null;
end; >>>;
# set destinations for recovery set and auxiliary set datafiles
set newname for clone datafile  1 to new;
set newname for clone datafile  3 to new;
set newname for clone datafile  2 to new;
set newname for clone tempfile  1 to new;
set newname for datafile  5 to
 "/u02/oradata/mydb1/ccdata.dbf";
# switch all tempfiles
switch clone tempfile all;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile  1, 3, 2, 5;
switch clone datafile all;
}
executing Memory Script

executing command: SET until clause

sql statement: alter tablespace CCDATA offline immediate

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

renamed tempfile 1 to /u04/tspitr/MYDB1/datafile/o1_mf_temp_%u_.tmp in control file

Starting restore at 09-JUN-2014 16:20:09
using channel ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: starting datafile backup set restore
channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_AUX_DISK_1: restoring datafile 00001 to /u04/tspitr/MYDB1/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/DB_7rpa9vj0_1_1


channel ORA_AUX_DISK_1: piece handle=/u05/rman/DB_7rpa9vj0_1_1 tag=TAG20140608T043023
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:01:45
channel ORA_AUX_DISK_1: starting datafile backup set restore
channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_AUX_DISK_1: restoring datafile 00003 to /u04/tspitr/MYDB1/datafile/o1_mf_undotbs1_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00005 to /u02/oradata/mydb1/ccdata.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/DB_83pacjv1_1_1

channel ORA_AUX_DISK_1: piece handle=/u05/rman/DB_83pacjv1_1_1 tag=TAG20140609T043024
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:01:15
channel ORA_AUX_DISK_1: starting datafile backup set restore
channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_AUX_DISK_1: restoring datafile 00002 to /u04/tspitr/MYDB1/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/DB_85pacjv1_1_1




channel ORA_AUX_DISK_1: piece handle=/u05/rman/DB_85pacjv1_1_1 tag=TAG20140609T043024
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:01:05
Finished restore at 09-JUN-2014 16:24:14

datafile 1 switched to datafile copy
input datafile copy RECID=29 STAMP=849803054 file name=/u04/tspitr/MYDB1/datafile/o1_mf_system_9sbvkso7_.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=30 STAMP=849803055 file name=/u04/tspitr/MYDB1/datafile/o1_mf_undotbs1_9sbvo2s3_.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=31 STAMP=849803055 file name=/u04/tspitr/MYDB1/datafile/o1_mf_sysaux_9sbvqft6_.dbf

contents of Memory Script:
{
# set requested point in time
set until  scn 44929642;
# online the datafiles restored or switched
sql clone "alter database datafile  1 online";
sql clone "alter database datafile  3 online";
sql clone "alter database datafile  2 online";
sql clone "alter database datafile  5 online";
# recover and open resetlogs
recover clone database tablespace  "CCDATA", "SYSTEM", "UNDOTBS1", "SYSAUX" delete archivelog;
alter clone database open resetlogs;
}
executing Memory Script

executing command: SET until clause

sql statement: alter database datafile  1 online

sql statement: alter database datafile  3 online

sql statement: alter database datafile  2 online

sql statement: alter database datafile  5 online

Starting recover at 09-JUN-2014 16:24:15
using channel ORA_AUX_DISK_1

starting media recovery

archived log for thread 1 with sequence 17 is already on disk as file /u04/orafra/fast_recovery_area/mydb1/MYDB1/archivelog/2014_06_09/o1_mf_1_17_9sb8tk3m_.arc
archived log for thread 1 with sequence 18 is already on disk as file /u04/orafra/fast_recovery_area/mydb1/MYDB1/archivelog/2014_06_09/o1_mf_1_18_9sbq1zjl_.arc
channel ORA_AUX_DISK_1: starting archived log restore to default destination
channel ORA_AUX_DISK_1: restoring archived log
archived log thread=1 sequence=11
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/arch_80pa9vo4_1_1
channel ORA_AUX_DISK_1: piece handle=/u05/rman/arch_80pa9vo4_1_1 tag=TAG20140608T043308
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
archived log file name=/u04/tspitr/1_11_849545305.dbf thread=1 sequence=11
channel clone_default: deleting archived log(s)
archived log file name=/u04/tspitr/1_11_849545305.dbf RECID=1265 STAMP=849803057
channel ORA_AUX_DISK_1: starting archived log restore to default destination
channel ORA_AUX_DISK_1: restoring archived log
archived log thread=1 sequence=12
channel ORA_AUX_DISK_1: restoring archived log
archived log thread=1 sequence=13
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/arch_81pacjug_1_1

channel ORA_AUX_DISK_1: piece handle=/u05/rman/arch_81pacjug_1_1 tag=TAG20140609T043008
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:15
archived log file name=/u04/tspitr/1_12_849545305.dbf thread=1 sequence=12

channel clone_default: deleting archived log(s)
archived log file name=/u04/tspitr/1_12_849545305.dbf RECID=1267 STAMP=849803072
archived log file name=/u04/tspitr/1_13_849545305.dbf thread=1 sequence=13

channel clone_default: deleting archived log(s)
archived log file name=/u04/tspitr/1_13_849545305.dbf RECID=1266 STAMP=849803071
channel ORA_AUX_DISK_1: starting archived log restore to default destination
channel ORA_AUX_DISK_1: restoring archived log
archived log thread=1 sequence=14
channel ORA_AUX_DISK_1: restoring archived log
archived log thread=1 sequence=15
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/arch_82pacjug_1_1

channel ORA_AUX_DISK_1: piece handle=/u05/rman/arch_82pacjug_1_1 tag=TAG20140609T043008
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:15
archived log file name=/u04/tspitr/1_14_849545305.dbf thread=1 sequence=14


channel clone_default: deleting archived log(s)
archived log file name=/u04/tspitr/1_14_849545305.dbf RECID=1269 STAMP=849803105
archived log file name=/u04/tspitr/1_15_849545305.dbf thread=1 sequence=15
channel clone_default: deleting archived log(s)
archived log file name=/u04/tspitr/1_15_849545305.dbf RECID=1268 STAMP=849803102
channel ORA_AUX_DISK_1: starting archived log restore to default destination
channel ORA_AUX_DISK_1: restoring archived log
archived log thread=1 sequence=16
channel ORA_AUX_DISK_1: reading from backup piece /u05/rman/arch_89pack40_1_1
channel ORA_AUX_DISK_1: piece handle=/u05/rman/arch_89pack40_1_1 tag=TAG20140609T043304
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
archived log file name=/u04/tspitr/1_16_849545305.dbf thread=1 sequence=16
channel clone_default: deleting archived log(s)
archived log file name=/u04/tspitr/1_16_849545305.dbf RECID=1270 STAMP=849803118
archived log file name=/u04/orafra/fast_recovery_area/mydb1/MYDB1/archivelog/2014_06_09/o1_mf_1_17_9sb8tk3m_.arc thread=1 sequence=17

archived log file name=/u04/orafra/fast_recovery_area/mydb1/MYDB1/archivelog/2014_06_09/o1_mf_1_18_9sbq1zjl_.arc thread=1 sequence=18
media recovery complete, elapsed time: 00:00:51
Finished recover at 09-JUN-2014 16:26:10

database opened

contents of Memory Script:
{
# make read only the tablespace that will be exported
sql clone 'alter tablespace  CCDATA read only';
# create directory for datapump import
sql "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/u04/tspitr''";
# create directory for datapump export
sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/u04/tspitr''";
}
executing Memory Script

sql statement: alter tablespace  CCDATA read only

sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/u04/tspitr''

sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/u04/tspitr''

Performing export of metadata...



   EXPDP> Starting "SYS"."TSPITR_EXP_Blig":
   EXPDP> Processing object type TRANSPORTABLE_EXPORT/PLUGTS_BLK
   EXPDP> Processing object type TRANSPORTABLE_EXPORT/TABLE
 EXPDP> Processing object type TRANSPORTABLE_EXPORT/INDEX/INDEX










   EXPDP> Processing object type TRANSPORTABLE_EXPORT/CONSTRAINT/CONSTRAINT
   EXPDP> Processing object type TRANSPORTABLE_EXPORT/INDEX_STATISTICS
   EXPDP> Processing object type TRANSPORTABLE_EXPORT/TABLE_STATISTICS

   EXPDP> Processing object type TRANSPORTABLE_EXPORT/POST_INSTANCE/PLUGTS_BLK
   EXPDP> Master table "SYS"."TSPITR_EXP_Blig" successfully loaded/unloaded
   EXPDP> ******************************************************************************
   EXPDP> Dump file set for SYS.TSPITR_EXP_Blig is:
   EXPDP>   /u04/tspitr/tspitr_Blig_41313.dmp
   EXPDP> ******************************************************************************
   EXPDP> Datafiles required for transportable tablespace CCDATA:
   EXPDP>   /u02/oradata/mydb1/ccdata.dbf
   EXPDP> Job "SYS"."TSPITR_EXP_Blig" successfully completed at 16:27:57
Export completed


contents of Memory Script:
{
# shutdown clone before import
shutdown clone immediate
# drop target tablespaces before importing them back
sql 'drop tablespace  CCDATA including contents keep datafiles';
}
executing Memory Script

database closed
database dismounted
Oracle instance shut down

sql statement: drop tablespace  CCDATA including contents keep datafiles

Performing import of metadata...



.................


sql statement: alter tablespace  CCDATA read write




sql statement: alter tablespace  CCDATA offline





sql statement: begin dbms_backup_restore.AutoBackupFlag(TRUE); end;

Removing automatic instance
Automatic instance removed
auxiliary instance file /u04/tspitr/MYDB1/datafile/o1_mf_temp_9sbvxk80_.tmp deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_6_9sbvx60g_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_5_9sbvx51b_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_4_9sbvx3v1_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_3_9sbvx2kn_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_11_9sbvxg07_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_10_9sbvxd7t_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_9_9sbvxbho_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_8_9sbvx8r8_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/onlinelog/o1_mf_7_9sbvx703_.log deleted
auxiliary instance file /u04/tspitr/MYDB1/datafile/o1_mf_sysaux_9sbvqft6_.dbf deleted
auxiliary instance file /u04/tspitr/MYDB1/datafile/o1_mf_undotbs1_9sbvo2s3_.dbf deleted
auxiliary instance file /u04/tspitr/MYDB1/datafile/o1_mf_system_9sbvkso7_.dbf deleted
auxiliary instance file /u04/tspitr/MYDB1/controlfile/o1_mf_9sbvkj93_.ctl deleted
Finished recover at 09-JUN-2014 16:28:44

RMAN>




alert 日志



Mon Jun 09 16:20:06 2014
ALTER SYSTEM ARCHIVE LOG
Mon Jun 09 16:20:06 2014
Thread 1 advanced to log sequence 20 (LGWR switch)
  Current log# 11 seq# 20 mem# 0: /u03/oraredo/mydb1/onlinelog/redoaa05.log
Archived Log entry 1268 added for thread 1 sequence 19 ID 0xe9e52847 dest 1:
alter tablespace CCDATA offline immediate
Completed: alter tablespace CCDATA offline immediate
Mon Jun 09 16:28:15 2014
drop tablespace  CCDATA including contents keep datafiles
Completed: drop tablespace  CCDATA including contents keep datafiles
Mon Jun 09 16:28:31 2014
DM00 started with pid=45, OS id=4036, job SYS.TSPITR_IMP_Blig
Mon Jun 09 16:28:32 2014
DW00 started with pid=46, OS id=4038, wid=1, job SYS.TSPITR_IMP_Blig
Plug in tablespace CCDATA with datafile
  '/u02/oradata/mydb1/ccdata.dbf'
Mon Jun 09 16:28:42 2014
alter tablespace  CCDATA read write
Completed: alter tablespace  CCDATA read write
alter tablespace  CCDATA offline
Completed: alter tablespace  CCDATA offline


RMAN> quit


Recovery Manager complete.
[oracle@my2950 bin]$ sqlplus /nolog

SQL*Plus: Release 11.2.0.3.0 Production on Mon Jun 9 16:47:17 2014

Copyright (c) 1982, 2011, Oracle.  All rights reserved.

SQL> conn cc/cc
Connected.
SQL> select * from tab;

TNAME                          TABTYPE  CLUSTERID
------------------------------ ------- ----------
BIN$+2NdEQy0eLPgQxEAZQpyxA==$0 TABLE
CA                             SYNONYM
CALLPACKAGES                   TABLE
CC                             SYNONYM
CC_PARAMS                      TABLE
CK                             SYNONYM
CP                             SYNONYM
CUSTACCOUNTS                   TABLE
CUSTCLIS                       TABLE
CUSTKEYS                       TABLE
DC                             SYNONYM

TNAME                          TABTYPE  CLUSTERID
------------------------------ ------- ----------
DIALCODES                      TABLE
PACKAGECLIS                    TABLE
PACKAGESLOTS                   TABLE
PC                             SYNONYM
PS                             SYNONYM

16 rows selected.

SQL> select count(*) from PS;
select count(*) from PS
                     *
ERROR at line 1:
ORA-00376: file 5 cannot be read at this time
ORA-01110: data file 5: '/u02/oradata/mydb1/ccdata.dbf'


SQL> conn / as sysdba
Connected.
SQL> alter tablespace CCDATA ONLINE;

Tablespace altered.

SQL> conn cc/cc
Connected.
SQL> select count(*) from PS;

  COUNT(*)
----------
       100

SQL>



该备份的备份.......

end










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