RMAN Recovery - Recover dropped tableStep 1 : User creation SQL> create user tesdb dentified by tesdb default tablespace users temporary tablespace temp profile default account unlock; User created.Step 2 : Provide grant privileges and allocate quota for “tesdb” user SQL> grant create session, create table to tesdb; Grant succeeded. SQL> alter user tesdb quota 500M on users; User altered.Step 3: Table creation SQL> conn tesdb/tesdb SQL> create table tes(id int,name varchar2(20)); Table created. SQL> begin 2 for i in 1..1000 loop 3 insert into tes values(i,'aa'); 4 end loop; 5 end; 6 / PL/SQL procedure successfully completed. SQL> commit; Commit complete. SQL> select count(*) from tes; COUNT(*) ---------- 1000 SQL>select to_char(sysdate,'dd-mm-yyyy hh24:mi:ss') "now" from dual ; now ------------------- 02-03-2024 13:09:53Step 4 : Ensure that database in ARCHIVELOG mode and take a whole database backup SQL> archive log list; Database log mode Archive Mode Automatic archival Enabled Archive destination USE_DB_RECOVERY_FILE_DEST Oldest online log sequence 1 Next log sequence to archive 2 Current log sequence 2Step 5 : Take a full backup of database and archivelog RMAN> backup format '/home/oracle/backup/df_%d_%T_s%s_p%p' filesperset=20 database plus archivelog format '/home/oracle/backup/al_%d_%T_s%s_p%p'; Starting backup at 02-MAR-24 current log archived using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=262 device type=DISK channel ORA_DISK_1: starting archived log backup set channel ORA_DISK_1: specifying archived log(s) in backup set input archived log thread=1 sequence=1 RECID=1 STAMP=1162559215 input archived log thread=1 sequence=2 RECID=2 STAMP=1162559434 input archived log thread=1 sequence=3 RECID=3 STAMP=1162559459 input archived log thread=1 sequence=4 RECID=4 STAMP=1162567333 channel ORA_DISK_1: starting piece 1 at 02-MAR-24 channel ORA_DISK_1: finished piece 1 at 02-MAR-24 piece handle=/home/oracle/backup/al_DEV_20240302_s5_p1 tag=TAG20240302T152214 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:03 Finished backup at 02-MAR-24 Starting backup at 02-MAR-24 using channel ORA_DISK_1 channel ORA_DISK_1: starting full datafile backup set channel ORA_DISK_1: specifying datafile(s) in backup set input datafile file number=00001 name=/u01/app/oracle/oradata/dev/system01.dbf input datafile file number=00003 name=/u01/app/oracle/oradata/dev/sysaux01.dbf input datafile file number=00004 name=/u01/app/oracle/oradata/dev/undotbs01.dbf input datafile file number=00007 name=/u01/app/oracle/oradata/dev/users01.dbf channel ORA_DISK_1: starting piece 1 at 02-MAR-24 channel ORA_DISK_1: finished piece 1 at 02-MAR-24 piece handle=/home/oracle/backup/df_DEV_20240302_s6_p1 tag=TAG20240302T152217 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15 Finished backup at 02-MAR-24 Starting backup at 02-MAR-24 current log archived using channel ORA_DISK_1 channel ORA_DISK_1: starting archived log backup set channel ORA_DISK_1: specifying archived log(s) in backup set input archived log thread=1 sequence=5 RECID=5 STAMP=1162567353 channel ORA_DISK_1: starting piece 1 at 02-MAR-24 channel ORA_DISK_1: finished piece 1 at 02-MAR-24 piece handle=/home/oracle/backup/al_DEV_20240302_s7_p1 tag=TAG20240302T152233 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01 Finished backup at 02-MAR-24 Starting Control File and SPFILE Autobackup at 02-MAR-24 piece handle=/u01/app/oracle/fast_recovery_area/dev/DEV/autobackup/2024_03_02/o1_mf_s_1162567355_ly5xq3bj_.bkp comment=NONE Finished Control File and SPFILE Autobackup at 02-MAR-24Step 6 : Drop the table SQL> drop table tesdb.tes1; Table dropped. SQL> select count(*) from tesdb.tes1; select count(*) from tesdb.tes1 * ERROR at line 1: ORA-00942: table or view does not existStep 7 : Connect Rman utility recover table tesdb.tes1 using timestamp and specifying auxiliary destination RMAN> run 2> { 3> recover table TESDB.TES1 until time "to_date('03-02-2024 15:26:17','mm/dd/yyyy hh24:mi:ss')" 4> auxiliary destination '/home/oracle/backup/'; 5> } Starting recover at 02-MAR-24 using target database control file instead of recovery catalog current log archived allocated channel: ORA_DISK_1 channel ORA_DISK_1: SID=266 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='dzvd' initialization parameters used for automatic instance: db_name=DEV db_unique_name=dzvd_pitr_DEV compatible=12.2.0 db_block_size=8192 db_files=200 diagnostic_dest=/u01/app/oracle _system_trig_enabled=FALSE sga_target=680M processes=200 db_create_file_dest=/home/oracle/backup/ log_archive_dest_1='location=/home/oracle/backup/' #No auxiliary parameter file used starting up automatic instance DEV Oracle instance started Total System Global Area 713031680 bytes Fixed Size 8624792 bytes Variable Size 201327976 bytes Database Buffers 494927872 bytes Redo Buffers 8151040 bytes Automatic instance created contents of Memory Script: { # set requested point in time set until time "to_date('03-02-2024 15:26:17','mm/dd/yyyy hh24:mi:ss')"; # 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'; } executing Memory Script executing command: SET until clause Starting restore at 02-MAR-24 allocated channel: ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: SID=162 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 /u01/app/oracle/fast_recovery_area/dev/DEV/autobackup/ 2024_03_02/o1_mf_s_1162567355_ly5xq3bj_.bkp channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/fast_recovery_area/dev/DEV/autobackup/2024_03_02/ o1_mf_s_1162567355_ly5xq3bj_.bkp tag=TAG20240302T152235 channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01 output file name=/home/oracle/backup/DEV/controlfile/o1_mf_ly5y7hl6_.ctl Finished restore at 02-MAR-24 sql statement: alter database mount clone database sql statement: alter system archive log current contents of Memory Script: { # set requested point in time set until time "to_date('03-02-2024 15:26:17','mm/dd/yyyy hh24:mi:ss')"; # set destinations for recovery set and auxiliary set datafiles set newname for clone datafile 1 to new; set newname for clone datafile 4 to new; set newname for clone datafile 3 to new; set newname for clone tempfile 1 to new; # switch all tempfiles switch clone tempfile all; # restore the tablespaces in the recovery set and the auxiliary set restore clone datafile 1, 4, 3; switch clone datafile all; } executing Memory Script executing command: SET until clause executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME renamed tempfile 1 to /home/oracle/backup/DEV/datafile/o1_mf_temp_%u_.tmp in control file Starting restore at 02-MAR-24 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 /home/oracle/backup/DEV/datafile/o1_mf_system_%u_.dbf channel ORA_AUX_DISK_1: restoring datafile 00004 to /home/oracle/backup/DEV/datafile/o1_mf_undotbs1_%u_.dbf channel ORA_AUX_DISK_1: restoring datafile 00003 to /home/oracle/backup/DEV/datafile/o1_mf_sysaux_%u_.dbf channel ORA_AUX_DISK_1: reading from backup piece /home/oracle/backup/df_DEV_20240302_s6_p1 channel ORA_AUX_DISK_1: piece handle=/home/oracle/backup/df_DEV_20240302_s6_p1 tag=TAG20240302T152217 channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:15 Finished restore at 02-MAR-24 datafile 1 switched to datafile copy input datafile copy RECID=4 STAMP=1162567902 file name=/home/oracle/backup/DEV/datafile/o1_mf_system_ly5y7po2_.dbf datafile 4 switched to datafile copy input datafile copy RECID=5 STAMP=1162567902 file name=/home/oracle/backup/DEV/datafile/o1_mf_undotbs1_ly5y7pom_.dbf datafile 3 switched to datafile copy input datafile copy RECID=6 STAMP=1162567902 file name=/home/oracle/backup/DEV/datafile/o1_mf_sysaux_ly5y7po8_.dbf contents of Memory Script: { # set requested point in time set until time "to_date('03-02-2024 15:26:17','mm/dd/yyyy hh24:mi:ss')"; # online the datafiles restored or switched sql clone "alter database datafile 1 online"; sql clone "alter database datafile 4 online"; sql clone "alter database datafile 3 online"; # recover and open database read only recover clone database tablespace "SYSTEM", "UNDOTBS1", "SYSAUX"; sql clone 'alter database open read only'; } executing Memory Script executing command: SET until clause sql statement: alter database datafile 1 online sql statement: alter database datafile 4 online sql statement: alter database datafile 3 online Starting recover at 02-MAR-24 using channel ORA_AUX_DISK_1 starting media recovery archived log for thread 1 with sequence 5 is already on disk as file /u01/app/oracle/fast_recovery_area/dev/ DEV/archivelog/2024_03_02/o1_mf_1_5_ly5xq1cg_.arc archived log for thread 1 with sequence 6 is already on disk as file /u01/app/oracle/fast_recovery_area/dev/ DEV/archivelog/2024_03_02/o1_mf_1_6_ly5y6lsl_.arc archived log file name=/u01/app/oracle/fast_recovery_area/dev/DEV/archivelog/2024_03_02/ o1_mf_1_5_ly5xq1cg_.arc thread=1 sequence=5 archived log file name=/u01/app/oracle/fast_recovery_area/dev/DEV/archivelog/2024_03_02/ o1_mf_1_6_ly5y6lsl_.arc thread=1 sequence=6 media recovery complete, elapsed time: 00:00:01 Finished recover at 02-MAR-24 sql statement: alter database open read only contents of Memory Script: { sql clone "create spfile from memory"; shutdown clone immediate; startup clone nomount; sql clone "alter system set control_files = ''/home/oracle/backup/DEV/controlfile/o1_mf_ly5y7hl6_.ctl'' comment= ''RMAN set'' scope=spfile"; shutdown clone immediate; startup clone nomount; # mount database sql clone 'alter database mount clone database'; } executing Memory Script sql statement: create spfile from memory database closed database dismounted Oracle instance shut down connected to auxiliary database (not started) Oracle instance started Total System Global Area 713031680 bytes Fixed Size 8624792 bytes Variable Size 201327976 bytes Database Buffers 494927872 bytes Redo Buffers 8151040 bytes sql statement: alter system set control_files = ''/home/oracle/backup/DEV/controlfile/ o1_mf_ly5y7hl6_.ctl'' comment= ''RMAN set'' scope=spfile Oracle instance shut down connected to auxiliary database (not started) Oracle instance started Total System Global Area 713031680 bytes Fixed Size 8624792 bytes Variable Size 201327976 bytes Database Buffers 494927872 bytes Redo Buffers 8151040 bytes sql statement: alter database mount clone database contents of Memory Script: { # set requested point in time set until time "to_date('03-02-2024 15:26:17','mm/dd/yyyy hh24:mi:ss')"; # set destinations for recovery set and auxiliary set datafiles set newname for datafile 7 to new; # restore the tablespaces in the recovery set and the auxiliary set restore clone datafile 7; switch clone datafile all; } executing Memory Script executing command: SET until clause executing command: SET NEWNAME Starting restore at 02-MAR-24 allocated channel: ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: SID=179 device type=DISK 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 00007 to /home/oracle/backup/DZVD_PITR_DEV/datafile/o1_mf_users_%u_.dbf channel ORA_AUX_DISK_1: reading from backup piece /home/oracle/backup/df_DEV_20240302_s6_p1 channel ORA_AUX_DISK_1: piece handle=/home/oracle/backup/df_DEV_20240302_s6_p1 tag=TAG20240302T152217 channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01 Finished restore at 02-MAR-24 datafile 7 switched to datafile copy input datafile copy RECID=8 STAMP=1162567965 file name=/home/oracle/backup/DZVD_PITR_DEV/datafile/o1_mf_users_ly5yb3wz_.dbf contents of Memory Script: { # set requested point in time set until time "to_date('03-02-2024 15:26:17','mm/dd/yyyy hh24:mi:ss')"; # online the datafiles restored or switched sql clone "alter database datafile 7 online"; # recover and open resetlogs recover clone database tablespace "USERS", "SYSTEM", "UNDOTBS1", "SYSAUX" delete archivelog; alter clone database open resetlogs; } executing Memory Script executing command: SET until clause sql statement: alter database datafile 7 online Starting recover at 02-MAR-24 using channel ORA_AUX_DISK_1 starting media recovery archived log for thread 1 with sequence 5 is already on disk as file /u01/app/oracle/fast_recovery_area/dev/ DEV/archivelog/2024_03_02/o1_mf_1_5_ly5xq1cg_.arc archived log for thread 1 with sequence 6 is already on disk as file /u01/app/oracle/fast_recovery_area/dev/ DEV/archivelog/2024_03_02/o1_mf_1_6_ly5y6lsl_.arc archived log file name=/u01/app/oracle/fast_recovery_area/dev/DEV/archivelog/2024_03_02/ o1_mf_1_5_ly5xq1cg_.arc thread=1 sequence=5 archived log file name=/u01/app/oracle/fast_recovery_area/dev/DEV/archivelog/2024_03_02/ o1_mf_1_6_ly5y6lsl_.arc thread=1 sequence=6 media recovery complete, elapsed time: 00:00:01 Finished recover at 02-MAR-24 database opened contents of Memory Script: { # create directory for datapump import sql "create or replace directory TSPITR_DIROBJ_DPDIR as '' /home/oracle/backup/''"; # create directory for datapump export sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as '' /home/oracle/backup/''"; } executing Memory Script sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/home/oracle/backup/'' sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/home/oracle/backup/'' Performing export of tables... EXPDP> Starting "SYS"."TSPITR_EXP_dzvd_ebef": EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA EXPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE EXPDP> . . exported "TESDB"."TES1" 21.48 KB 1500 rows EXPDP> Master table "SYS"."TSPITR_EXP_dzvd_ebef" successfully loaded/unloaded EXPDP> ****************************************************************************** EXPDP> Dump file set for SYS.TSPITR_EXP_dzvd_ebef is: EXPDP> /home/oracle/backup/tspitr_dzvd_18771.dmp EXPDP> Job "SYS"."TSPITR_EXP_dzvd_ebef" successfully completed at Sat Mar 2 15:34:15 2024 elapsed 0 00:01:08 Export completed contents of Memory Script: { # shutdown clone before import shutdown clone abort } executing Memory Script Oracle instance shut down Performing import of tables... IMPDP> Master table "SYS"."TSPITR_IMP_dzvd_oCoh" successfully loaded/unloaded IMPDP> Starting "SYS"."TSPITR_IMP_dzvd_oCoh": IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA IMPDP> . . imported "TESDB"."TES1" 21.48 KB 1500 rows IMPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS IMPDP> Job "SYS"."TSPITR_IMP_dzvd_oCoh" successfully completed at Sat Mar 2 15:34:45 2024 elapsed 0 00:00:10 Import completed Removing automatic instance Automatic instance removed auxiliary instance file /home/oracle/backup/DEV/datafile/o1_mf_temp_ly5y8b29_.tmp deleted auxiliary instance file /home/oracle/backup/DZVD_PITR_DEV/onlinelog/o1_mf_3_ly5yb9ch_.log deleted auxiliary instance file /home/oracle/backup/DZVD_PITR_DEV/onlinelog/o1_mf_2_ly5yb80z_.log deleted auxiliary instance file /home/oracle/backup/DZVD_PITR_DEV/onlinelog/o1_mf_1_ly5yb7tz_.log deleted auxiliary instance file /home/oracle/backup/DZVD_PITR_DEV/datafile/o1_mf_users_ly5yb3wz_.dbf deleted auxiliary instance file /home/oracle/backup/DEV/datafile/o1_mf_sysaux_ly5y7po8_.dbf deleted auxiliary instance file /home/oracle/backup/DEV/datafile/o1_mf_undotbs1_ly5y7pom_.dbf deleted auxiliary instance file /home/oracle/backup/DEV/datafile/o1_mf_system_ly5y7po2_.dbf deleted auxiliary instance file /home/oracle/backup/DEV/controlfile/o1_mf_ly5y7hl6_.ctl deleted auxiliary instance file tspitr_dzvd_18771.dmp deleted Finished recover at 02-MAR-24 RMAN> exit Recovery Manager complete.Step 8 : Table tes1 has been recovered [oracle@sdbt ~]$ sqlplus / as sysdba SQL*Plus: Release 12.2.0.1.0 Production on Sat Mar 2 15:40:52 2024 Copyright (c) 1982, 2016, Oracle. All rights reserved. Connected to: Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production SQL> select count(*) from tesdb.tes1; COUNT(*) ---------- 1500 « Previous Next Topic » (RMAN Recovery - Hot Cloning) |