tspitr（tablespace point in time recovery）实验

===========环境模拟=================

-----------模拟数据----------------

SYS@ORCL>create tablespace test

2 datafile '/u01/app/oracle/oradata/ORCL/test.dbf' size 5m;

Tablespace created.

SYS@ORCL>

SYS@ORCL>

SYS@ORCL>create table test(x int)tablespace test;

Table created.

SYS@ORCL>insert into test values(1);

1 row created.

SYS@ORCL>;

1* insert into test values(1)

SYS@ORCL>insert into test values(2);

1 row created.

SYS@ORCL>commit;

Commit complete.

SYS@ORCL>alter system switch logfile;

System altered.

SYS@ORCL>/

System altered.

SYS@ORCL>/

System altered.

SYS@ORCL>/

System altered.

SYS@ORCL>insert into test values(3);

1 row created.

SYS@ORCL>alter system switch logfile;

System altered.

SYS@ORCL>insert into test values(4);

1 row created.

SYS@ORCL>commit;

Commit complete.

SYS@ORCL>alter system switch logfile;

System altered.

SYS@ORCL>insert into test values(5);

1 row created.

SYS@ORCL>commit;

Commit complete.

SYS@ORCL>alter system switch logfile;

System altered.

SYS@ORCL>/

System altered.

SYS@ORCL>/

System altered.

SYS@ORCL>shutdown immediate;

-----------删除数据文件------------

[oracle@itaa-ocp ORCL]$ ls

control01.ctl example01.dbf redo03.log temp01.dbf users01.dbf

control02.ctl redo01.log sysaux01.dbf test.dbf

control03.ctl redo02.log system01.dbf undotbs01.dbf

[oracle@itaa-ocp ORCL]$ mv test.dbf test.dbf.bak

-----------制造归档断点-----------------

[root@itaa-ocp 2016_01_13]# mv o1_mf_1_10_c9cj7grz_.arc o1_mf_1_10_c9cj7grz_.arc.bak

[root@itaa-ocp 2016_01_13]# ls

o1_mf_1_10_c9cj7grz_.arc.bak o1_mf_1_14_c9cj9zsv_.arc o1_mf_1_6_c9cj5xdt_.arc

o1_mf_1_11_c9cj8lgw_.arc o1_mf_1_3_c9cj24qn_.arc o1_mf_1_7_c9cj5yj9_.arc

o1_mf_1_12_c9cj9msn_.arc o1_mf_1_4_c9cj382m_.arc o1_mf_1_8_c9cj63xy_.arc

o1_mf_1_13_c9cj9ssq_.arc o1_mf_1_5_c9cj4xpn_.arc o1_mf_1_9_c9cj676b_.arc

[root@itaa-ocp 2016_01_13]# ll

total 500

-rw-r----- 1 oracle oinstall 5120 Jan 13 11:13 o1_mf_1_10_c9cj7grz_.arc.bak

-rw-r----- 1 oracle oinstall 2048 Jan 13 11:14 o1_mf_1_11_c9cj8lgw_.arc

-rw-r----- 1 oracle oinstall 38400 Jan 13 11:14 o1_mf_1_12_c9cj9msn_.arc

-rw-r----- 1 oracle oinstall 1536 Jan 13 11:15 o1_mf_1_13_c9cj9ssq_.arc

-rw-r----- 1 oracle oinstall 6144 Jan 13 11:15 o1_mf_1_14_c9cj9zsv_.arc

-rw-r----- 1 oracle oinstall 406016 Jan 13 11:11 o1_mf_1_3_c9cj24qn_.arc

-rw-r----- 1 oracle oinstall 2560 Jan 13 11:11 o1_mf_1_4_c9cj382m_.arc

-rw-r----- 1 oracle oinstall 5120 Jan 13 11:12 o1_mf_1_5_c9cj4xpn_.arc

-rw-r----- 1 oracle oinstall 4608 Jan 13 11:13 o1_mf_1_6_c9cj5xdt_.arc

-rw-r----- 1 oracle oinstall 1024 Jan 13 11:13 o1_mf_1_7_c9cj5yj9_.arc

-rw-r----- 1 oracle oinstall 1536 Jan 13 11:13 o1_mf_1_8_c9cj63xy_.arc

-rw-r----- 1 oracle oinstall 1024 Jan 13 11:13 o1_mf_1_9_c9cj676b_.arc

[root@itaa-ocp 2016_01_13]#

============恢复过程=====================

-----------打开数据库-------------------

SYS@ORCL>startup

ORACLE instance started.

Total System Global Area 285212672 bytes

Fixed Size 1218992 bytes

Variable Size 92276304 bytes

Database Buffers 188743680 bytes

Redo Buffers 2973696 bytes

Database mounted.

ORA-01157: cannot identify/lock data file 6 - see DBWR trace file

ORA-01110: data file 6: '/u01/app/oracle/oradata/ORCL/test.dbf'

SYS@ORCL>alter database datafile 6 offline drop;

Database altered.

SYS@ORCL>alter database open;

Database altered.

---------查询需要恢复的表空间--------------

RMAN> report schema;

using target database control file instead of recovery catalog

Report of database schema

List of Permanent Datafiles

===========================

File Size(MB) Tablespace RB segs Datafile Name

---- -------- -------------------- ------- ------------------------

1 480 SYSTEM *** /u01/app/oracle/oradata/ORCL/system01.dbf

2 30 UNDOTBS1 *** /u01/app/oracle/oradata/ORCL/undotbs01.dbf

3 240 SYSAUX *** /u01/app/oracle/oradata/ORCL/sysaux01.dbf

4 5 USERS *** /u01/app/oracle/oradata/ORCL/users01.dbf

5 100 EXAMPLE *** /u01/app/oracle/oradata/ORCL/example01.dbf

6 0 TEST *** /u01/app/oracle/oradata/ORCL/test.dbf

List of Temporary Files

=======================

File Size(MB) Tablespace Maxsize(MB) Tempfile Name

---- -------- -------------------- ----------- --------------------

1 20 TEMP 32767 /u01/app/oracle/oradata/ORCL/temp01.dbf

--------准备辅助数据库路径---------------

[oracle@itaa-ocp oracle]$ mkdir aux

[oracle@itaa-ocp oracle]$ cd aux/

[oracle@itaa-ocp aux]$ pwd

/u01/app/oracle/aux

--------恢复数据文件至断点--------------

RMAN> recover tablespace 'TEST' until logseq 9 auxiliary destination '/u01/app/oracle/aux';

Starting recover at 13-JAN-16

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=148 devtype=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='brdd'

initialization parameters used for automatic instance:

db_name=ORCL

compatible=10.2.0.1.0

db_block_size=8192

db_files=200

db_unique_name=tspitr_ORCL_brdd

large_pool_size=1M

shared_pool_size=110M

#No auxiliary parameter file used

db_create_file_dest=/u01/app/oracle/aux

control_files=/u01/app/oracle/aux/cntrl_tspitr_ORCL_brdd.f

starting up automatic instance ORCL

Oracle instance started

Total System Global Area 201326592 bytes

Fixed Size 1218508 bytes

Variable Size 146802740 bytes

Database Buffers 50331648 bytes

Redo Buffers 2973696 bytes

Automatic instance created

contents of Memory Script:

{

# set the until clause

set until logseq 9 thread 1;

# restore the controlfile

restore clone controlfile;

# mount the controlfile

sql clone 'alter database mount clone database';

# archive current online log for tspitr to a resent until time

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 13-JAN-16

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: sid=37 devtype=DISK

channel ORA_AUX_DISK_1: starting datafile backupset restore

channel ORA_AUX_DISK_1: restoring control file

channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/flash_recovery_area/ORCL/backupset/2016_01_13/o1_mf_ncsnf_TAG20160113T111138_c9cj4tcp_.bkp

channel ORA_AUX_DISK_1: restored backup piece 1

piece handle=/u01/app/oracle/flash_recovery_area/ORCL/backupset/2016_01_13/o1_mf_ncsnf_TAG20160113T111138_c9cj4tcp_.bkp tag=TAG20160113T111138

channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:02

output filename=/u01/app/oracle/aux/cntrl_tspitr_ORCL_brdd.f

Finished restore at 13-JAN-16

sql statement: alter database mount clone database

sql statement: alter system archive log current

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

released channel: ORA_DISK_1

released channel: ORA_AUX_DISK_1

contents of Memory Script:

{

# generated tablespace point-in-time recovery script

# set the until clause

set until logseq 9 thread 1;

plsql <<<-- tspitr_2

declare

sqlstatement varchar2(512);

offline_not_needed exception;

pragma exception_init(offline_not_needed, -01539);

begin

sqlstatement := 'alter tablespace '|| 'TEST' ||' offline for recover';

krmicd.writeMsg(6162, sqlstatement);

krmicd.execSql(sqlstatement);

exception

when offline_not_needed then

null;

end; >>>;

# set an omf destination filename for restore

set newname for clone datafile 1 to new;

# set an omf destination filename for restore

set newname for clone datafile 2 to new;

# set an omf destination tempfile

set newname for clone tempfile 1 to new;

# set a destination filename for restore

set newname for datafile 6 to

"/u01/app/oracle/oradata/ORCL/test.dbf";

# rename all tempfiles

switch clone tempfile all;

# restore the tablespaces in the recovery set plus the auxilliary tablespaces

restore clone datafile 1, 2, 6;

switch clone datafile all;

#online the datafiles restored or flipped

sql clone "alter database datafile 1 online";

#online the datafiles restored or flipped

sql clone "alter database datafile 2 online";

#online the datafiles restored or flipped

sql clone "alter database datafile 6 online";

# make the controlfile point at the restored datafiles, then recover them

recover clone database tablespace "TEST", "SYSTEM", "UNDOTBS1" delete archivelog;

alter clone database open resetlogs;

# PLUG HERE the creation of a temporary tablespace if export fails due to lack

# of temporary space.

# For example in Unix these two lines would do that:

#sql clone "create tablespace aux_tspitr_tmp

# datafile ''/tmp/aux_tspitr_tmp.dbf'' size 500K";

}

executing Memory Script

executing command: SET until clause

sql statement: alter tablespace TEST offline for recover

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

executing command: SET NEWNAME

renamed temporary file 1 to /u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_temp_%u_.tmp in control file

Starting restore at 13-JAN-16

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: sid=39 devtype=DISK

channel ORA_AUX_DISK_1: starting datafile backupset restore

channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set

restoring datafile 00001 to /u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_system_%u_.dbf

restoring datafile 00002 to /u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_undotbs1_%u_.dbf

restoring datafile 00006 to /u01/app/oracle/oradata/ORCL/test.dbf

channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/flash_recovery_area/ORCL/backupset/2016_01_13/o1_mf_nnndf_TAG20160113T111138_c9cj3btp_.bkp

channel ORA_AUX_DISK_1: restored backup piece 1

piece handle=/u01/app/oracle/flash_recovery_area/ORCL/backupset/2016_01_13/o1_mf_nnndf_TAG20160113T111138_c9cj3btp_.bkp tag=TAG20160113T111138

channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:26

Finished restore at 13-JAN-16

datafile 1 switched to datafile copy

input datafile copy recid=5 stamp=901020119 filename=/u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_system_c9cjowoq_.dbf

datafile 2 switched to datafile copy

input datafile copy recid=6 stamp=901020119 filename=/u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_undotbs1_c9cjowqp_.dbf

sql statement: alter database datafile 1 online

sql statement: alter database datafile 2 online

sql statement: alter database datafile 6 online

Starting recover at 13-JAN-16

using channel ORA_AUX_DISK_1

starting media recovery

archive log thread 1 sequence 5 is already on disk as file /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_5_c9cj4xpn_.arc

archive log thread 1 sequence 6 is already on disk as file /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_6_c9cj5xdt_.arc

archive log thread 1 sequence 7 is already on disk as file /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_7_c9cj5yj9_.arc

archive log thread 1 sequence 8 is already on disk as file /u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_8_c9cj63xy_.arc

archive log filename=/u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_5_c9cj4xpn_.arc thread=1 sequence=5

archive log filename=/u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_6_c9cj5xdt_.arc thread=1 sequence=6

archive log filename=/u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_7_c9cj5yj9_.arc thread=1 sequence=7

archive log filename=/u01/app/oracle/flash_recovery_area/ORCL/archivelog/2016_01_13/o1_mf_1_8_c9cj63xy_.arc thread=1 sequence=8

media recovery complete, elapsed time: 00:00:02

Finished recover at 13-JAN-16

database opened

contents of Memory Script:

{

# export the tablespaces in the recovery set

host 'exp userid =\"/@\(DESCRIPTION=\(ADDRESS=\(PROTOCOL=beq\)\(PROGRAM=/u01/app/oracle/product/10.2.0/bin/oracle\)\(ARGV0=oraclebrdd\)\(ARGS=^'\(DESCRIPTION=\(LOCAL=YES\)\(ADDRESS=\(PROTOCOL=beq\)\)\)^'\)\(ENVS=^'ORACLE_SID=brdd^'\)\)\(CONNECT_DATA=\(SID=brdd\)\)\)
as sysdba\" point_in_time_recover=y tablespaces=

TEST file=

tspitr_a.dmp';

# shutdown clone before import

shutdown clone immediate

# import the tablespaces in the recovery set

host 'imp userid =\"/@ as sysdba\" point_in_time_recover=y file=

tspitr_a.dmp';

# online/offline the tablespace imported

sql "alter tablespace TEST online";

sql "alter tablespace TEST offline";

# enable autobackups in case user does open resetlogs from RMAN after TSPITR

sql 'begin dbms_backup_restore.AutoBackupFlag(TRUE); end;';

}

executing Memory Script

Export: Release 10.2.0.1.0 - Production on Wed Jan 13 11:22:15 2016

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

Export done in US7ASCII character set and AL16UTF16 NCHAR character set

server uses UTF8 character set (possible charset conversion)

Note: table data (rows) will not be exported

About to export Tablespace Point-in-time Recovery objects...

For tablespace TEST ...

. exporting cluster definitions

. exporting table definitions

. . exporting table TEST

. exporting referential integrity constraints

. exporting triggers

. end point-in-time recovery

Export terminated successfully without warnings.

host command complete

database closed

database dismounted

Oracle instance shut down

Import: Release 10.2.0.1.0 - Production on Wed Jan 13 11:22:30 2016

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

Export file created by EXPORT:V10.02.01 via conventional path

About to import Tablespace Point-in-time Recovery objects...

import done in US7ASCII character set and AL16UTF16 NCHAR character set

import server uses UTF8 character set (possible charset conversion)

. importing SYS's objects into SYS

. . importing table "TEST"

Import terminated successfully without warnings.

host command complete

sql statement: alter tablespace TEST online

sql statement: alter tablespace TEST offline

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

Removing automatic instance

Automatic instance removed

auxiliary instance file /u01/app/oracle/aux/cntrl_tspitr_ORCL_brdd.f deleted

auxiliary instance file /u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_system_c9cjowoq_.dbf deleted

auxiliary instance file /u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_undotbs1_c9cjowqp_.dbf deleted

auxiliary instance file /u01/app/oracle/aux/TSPITR_ORCL_BRDD/datafile/o1_mf_temp_c9cjq24h_.tmp deleted

auxiliary instance file /u01/app/oracle/aux/TSPITR_ORCL_BRDD/onlinelog/o1_mf_1_c9cjptyy_.log deleted

auxiliary instance file /u01/app/oracle/aux/TSPITR_ORCL_BRDD/onlinelog/o1_mf_2_c9cjpwoo_.log deleted

auxiliary instance file /u01/app/oracle/aux/TSPITR_ORCL_BRDD/onlinelog/o1_mf_3_c9cjpzph_.log deleted

Finished recover at 13-JAN-16

RMAN>

------------表空间上线----------

SYS@ORCL>alter database datafile 6 online;

Database altered.

SYS@ORCL>desc dba_tablespaces;

Name Null? Type

----------------------------------------- -------- ----------------------------

TABLESPACE_NAME NOT NULL VARCHAR2(30)

BLOCK_SIZE NOT NULL NUMBER

INITIAL_EXTENT NUMBER

NEXT_EXTENT NUMBER

MIN_EXTENTS NOT NULL NUMBER

MAX_EXTENTS NUMBER

PCT_INCREASE NUMBER

MIN_EXTLEN NUMBER

STATUS VARCHAR2(9)

CONTENTS VARCHAR2(9)

LOGGING VARCHAR2(9)

FORCE_LOGGING VARCHAR2(3)

EXTENT_MANAGEMENT VARCHAR2(10)

ALLOCATION_TYPE VARCHAR2(9)

PLUGGED_IN VARCHAR2(3)

SEGMENT_SPACE_MANAGEMENT VARCHAR2(6)

DEF_TAB_COMPRESSION VARCHAR2(8)

RETENTION VARCHAR2(11)

BIGFILE VARCHAR2(3)

SYS@ORCL>select TABLESPACE_NAME,STATUS from dba_tablespaces;

TABLESPACE_NAME STATUS

------------------------------ ---------

SYSTEM ONLINE

UNDOTBS1 ONLINE

SYSAUX ONLINE

TEMP ONLINE

USERS ONLINE

EXAMPLE ONLINE

TEST OFFLINE

7 rows selected.

SYS@ORCL>alter tablespace test online;

Tablespace altered.

SYS@ORCL>select * from test;

X

----------

1

2