Application of incremental backup on Standby to resolve the gap newspaper archive
Hello
I have a database of primary and Standby database both in ASM. Recently, my archive logs has been deleted and I'm trying to recover my database pending with the primary SNA-based incremental backup. But I face the error when I recover the database pending with the incremental backup, made in the primary database below.
RMAN > recover database noredo;
To go back to November 6, 13
using the control file of the target instead of recovery catalog database
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID = 21 type of device = DISK
channel ORA_DISK_1: from additional data file from the restore backup set
channel ORA_DISK_1: specifying datafile (s) to restore from backup set
destination for the restoration of the data file 00001: +STDBY/11gdb/datafile/system.258.8059
21881
destination for the restoration of the data file 00002: +STDBY/11gdb/datafile/sysaux.259.8059
21967
destination for the restoration of the data file 00003: +STDBY/11gdb/datafile/undotbs1.260.80
5922023
destination for the restoration of the data file 00004: +STDBY/11gdb/datafile/users.261.80592
2029
channel ORA_DISK_1: backup/u01/incr_for_stdby_07oo9fik_1_1 item reading
RMAN-00571: ===========================================================
RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =.
RMAN-00571: ===========================================================
RMAN-03002: failure of the command recover at 06/11/2013 13:22:27
ORA-19870: error while restoring the backup/u01/incr_for_stdby_07oo9fik_1_1 element
ORA-19573: failed to get exclusive enqueue for datafile 1
Kind regards
007
Have you you stopped to re-apply?
Select process from v$ managed_standby, including the process as "SIR % ';
If there are processes, you must stop it.
ALTER database recover managed standby database cancel;
If the data hold is managed by broker, use DGRMRL
DGMGRL > alter database
Then try again. If still not resolved, can paste you here your steps and scripts? Concerning Mr. Mahir Quluzade
Tags: Database
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http://Web.Stanford.edu/dept/ITSS/docs/Oracle/10gR2/server.102/b14239/scenarios.htm#CIHIAADC
For 11g:
http://docs.Oracle.com/CD/E11882_01/server.112/e41134/RMAN.htm#SBYDB00759
For 12 c:
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Primary: oraprim
Standby: orastb
Tablespace DataFile of MYTS is removed on primary:
SYS @ oraprim > select force_logging in the database of v$.
FORCE_LOGGING
---------------------------------------
NO.
Currently the tablespace is to have 2 data files.
SYS @ oraprim > select file_name in dba_data_files where nom_tablespace = 'MYTS;
FILE_NAME
-------------------------------------------------------
/U01/app/Oracle/oradata/oraprim/myts01.dbf
/U01/app/Oracle/oradata/oraprim/myts02.dbf
In standby mode, the tablespace is to have 2 data files:
SYS @ orastb > select name from v$ datafile where ts #= 6;
NAME
--------------------------------------------------------------------------------
/U01/app/Oracle/oradata/orastb/myts01.dbf
/U01/app/Oracle/oradata/orastb/myts02.dbf
Postponement of the day before on the primary log shipping
SYS @ oraprim > alter system set log_archive_dest_state_3 = delay;
Modified system.
Dropped 1 MYTS datafile on the primary.
SYS @ oraprim > alter tablespace myts drop datafile ' / u01/app/oracle/oradata/oraprim/myts02.dbf';
Tablespace altered.
Removed some archives to create a space.
[oracle@ora12c-1 2016_01_05] $ rm - rf * 31 *.
[oracle@ora12c-1 2016_01_05] $ ls - lrt
13696 total
-rw - r - 1 oracle oinstall 10534400 5 January 18:46 o1_mf_1_302_c8qjl3t7_.arc
-rw - r - 1 oracle oinstall 2714624 5 January 18:47 o1_mf_1_303_c8qjmhpq_.arc
-rw - r - 1 oracle oinstall 526336 5 January 18:49 o1_mf_1_304_c8qjp7sb_.arc
-rw - r - 1 oracle oinstall 23552 5 January 18:49 o1_mf_1_305_c8qjpsmh_.arc
-rw - r - 1 oracle oinstall 53760 5 January 18:50 o1_mf_1_306_c8qjsfqo_.arc
-rw - r - 1 oracle oinstall 14336 Jan 5 18:51 o1_mf_1_307_c8qjt9rh_.arc
-rw - r - 1 oracle oinstall 1024 5 January 18:53 o1_mf_1_309_c8qjxt4z_.arc
-rw - r - 1 oracle oinstall 110592 5 January 18:53 o1_mf_1_308_c8qjxt34_.arc
[oracle@ora12c-1 2016_01_05] $
Current main MYTS data files:
SYS @ oraprim > select file_name in dba_data_files where nom_tablespace = 'MYTS;
FILE_NAME
-------------------------------------------------------
/U01/app/Oracle/oradata/oraprim/myts01.dbf
Current data of MYTS standby files:
SYS @ orastb > select name from v$ datafile where ts #= 6;
NAME
--------------------------------------------------------------------------------
/U01/app/Oracle/oradata/orastb/myts01.dbf
/U01/app/Oracle/oradata/orastb/myts02.dbf
Gap is created:
SYS @ orastb > select the process, status, sequence # v$ managed_standby;
STATUS OF PROCESS SEQUENCE #.
--------- ------------ ----------
ARCH. CLOSING 319
ARCH. CLOSING 311
CONNECTED ARCH 0
ARCH. CLOSING 310
MRP0 WAIT_FOR_GAP 312
RFS IDLE 0
RFS IDLE 0
RFS IDLE 0
RFS IDLE 320
9 selected lines.
Backup incremental RMAN is taken elementary school.
RMAN > incremental backup of the format of database of SNA 2686263 ' / u02/bkp/%d_inc_%U.bak';
From backup 5 January 16
using the control file of the target instead of recovery catalog database
the DISC 2 channel configuration is ignored
the DISC 3 channel configuration is ignored
configuration for DISK 4 channel is ignored
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID = 41 type device = DISK
channel ORA_DISK_1: starting full datafile from backup set
channel ORA_DISK_1: specifying datafile (s) in the backup set
Enter a number of file datafile = 00001 name=/u01/app/oracle/oradata/oraprim/system01.dbf
Enter a number of file datafile = name=/u01/app/oracle/oradata/oraprim/sysaux01.dbf 00003
Enter a number of file datafile = name=/u01/app/oracle/oradata/oraprim/undotbs01.dbf 00004
Enter a number of file datafile = name=/u01/app/oracle/oradata/oraprim/users01.dbf 00006
Enter a number of file datafile = name=/u01/app/oracle/oradata/oraprim/myts01.dbf 00057
channel ORA_DISK_1: starting total, 1-January 5, 16
channel ORA_DISK_1: finished piece 1-January 5, 16
piece handle=/u02/bkp/ORAPRIM_inc_42qqkmaq_1_1.bak tag = TAG20160105T190016 comment = NONE
channel ORA_DISK_1: complete set of backups, time: 00:00:02
Backup finished on 5 January 16
Saved controlfile on primary:
RMAN > backup current controlfile to Eve format ' / u02/bkp/ctl.ctl';
Cancel recovery in standby mode:
SYS @ orastb > alter database recover managed standby database cancel;
Database altered.
Recover the day before by using the above backup items
RMAN > recover database noredo;
From pick up to 5 January 16
the DISC 2 channel configuration is ignored
the DISC 3 channel configuration is ignored
configuration for DISK 4 channel is ignored
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID = 26 type of device = DISK
channel ORA_DISK_1: from additional data file from the restore backup set
channel ORA_DISK_1: specifying datafile (s) to restore from backup set
destination for the restoration of the data file 00001: /u01/app/oracle/oradata/orastb/system01.dbf
destination for the restoration of the data file 00003: /u01/app/oracle/oradata/orastb/sysaux01.dbf
destination for the restoration of the data file 00004: /u01/app/oracle/oradata/orastb/undotbs01.dbf
destination for the restoration of the data file 00006: /u01/app/oracle/oradata/orastb/users01.dbf
destination for the restoration of the data file 00057: /u01/app/oracle/oradata/orastb/myts01.dbf
channel ORA_DISK_1: backup /u02/bkp/ORAPRIM_inc_3uqqkma0_1_1.bak piece reading
channel ORA_DISK_1: room handle=/u02/bkp/ORAPRIM_inc_3uqqkma0_1_1.bak tag = TAG20160105T190016
channel ORA_DISK_1: restored the backup part 1
channel ORA_DISK_1: restore complete, duration: 00:00:01
Finished recover to 5 January 16
Restored the controlfile and mounted the day before:
RMAN > shutdown immediate
dismounted database
Instance Oracle to close
RMAN > startup nomount
connected to the database target (not started)
Oracle instance started
Total System Global Area 939495424 bytes
Bytes of size 2295080 fixed
348130008 variable size bytes
583008256 of database buffers bytes
Redo buffers 6062080 bytes
RMAN > restore controlfile eve of ' / u02/ctl.ctl ';
From 5 January 16 restore
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID = 20 type of device = DISK
channel ORA_DISK_1: restore the control file
channel ORA_DISK_1: restore complete, duration: 00:00:01
output file name=/u01/app/oracle/oradata/orastb/control01.ctl
output file name=/u01/app/oracle/fast_recovery_area/orastb/control02.ctl
Finished restore at 5 January 16
RMAN > change the editing of the database;
Statement processed
output channel: ORA_DISK_1
Now the data file does not exist on the standby mode:
SYS @ orastb > alter database recover managed standby database disconnect;
Database altered.
SYS @ orastb > select the process, status, sequence # v$ managed_standby;
STATUS OF PROCESS SEQUENCE #.
--------- ------------ ----------
CONNECTED ARCH 0
CONNECTED ARCH 0
CONNECTED ARCH 0
ARCH. CLOSING 329
RFS IDLE 0
RFS IDLE 330
RFS IDLE 0
MRP0 APPLYING_LOG 330
8 selected lines.
SYS @ orastb > select name from v$ datafile where ts #= 6;
NAME
--------------------------------------------------------------------------------
/U01/app/Oracle/oradata/orastb/myts01.dbf
Hope that gives you a clear picture. You can use this to roll forward day before using the SNA roll forward Eve physical database using RMAN incremental backup | Shivananda Rao
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(Alter basic managed recovery sleep cancel;)
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---------- ---------
3441 NO.
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RECID STAMP
---------- ----------
NAME
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
DEST_ID THREAD # SEQUENCE # RESETLOGS_CHANGE # RESETLOGS_TIME RESETLOGS_ID FIRST_CHANGE # FIRST_TIME NEXT_CHANGE # NEXT_TIME BLOCKS BLOCK_SIZE CREATOR
---------- ---------- ---------- ----------------- ------------------- ------------ ------------- ------------------- ------------ ------------------- ---------- ---------- -------
REGISTR STA ARC APPLIED S DEL COMPLETION_TIME DIC DIC END BACKUP_COUNT ARCHIVAL_THREAD # ACTIVATION # IS_ COM FAL END_OF_RED BIN CON_ID
------- --- --- --------- --- - ------------------- --- --- --- ------------ ---------------- ----------- --- --- --- ---------- --- ----------
1 880046905
/oravar/G12DGGO/Archiv/1_3441_865786197.dbf
2 1 1 08/12/3441 2014 16:09:57 865786197 7004011 18/05/2015 17:21:17 7005043 18/05/2015 17:29:22 509 512 ARCH
RFS NO NO YES NO A 17:28:25 05/18/2015 NO NO NO 0 1 2523036437 NO NO NO YES 0
Thank you in advance for your help!
Problem solved.
In Oracle 12 c, roll forward is more to do "by hand".
There are a few commands to RMAN done automatically, by using the primary database service (G12DGGOP_DG for me).
So back up mode:
RESTORE DATABASE SERVICE G12DGGOP_DG WITH THE HELP OF NOREDO COMPRESSED BACKUPSET SECTION SIZE 100M;
Then after restore controlfile in nomount (stop):
RESTORE CONTROLFILE EVE OF SERVICE G12DGGOP_DG;
The information comes from here:
http://allthingsoracle.com/rolling-forward-a-physical-standby-database-using-the-recover-command/
Reference on Oracle documentation:
https://docs.Oracle.com/database/121/BRADV/rcmadvre.htm#BRADV685
Thank you all for the answers and the help on this!
Ray Zin
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http://Windows.Microsoft.com/en-us/Windows7/back-up-and-restore-frequently-asked-questionsYou can also visit connect.microsoft.com
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The test server must be writable and must be synchronized with the server in production about once or twice a month. Due to the size of the database (~ 600 GB) we are studying solutions that could make using incremental backups that are already taken on the production database.
While launching the test using RMAN DUPLICATE server seems to be honest, I'm not sure how the "sync" can be done as effectively as possible - especially because we are changing the data on the test server.
After the RMAN BACK command description, is not clear to me if this could serve to 'recover' the database of test based on the incremental backups to the 'current state' of the production database, even if the test database has been changed. After reading a few posts here, it's not seems to be the case.
A restore point would make such a possible incremental restore? Creating a (name?) point of restoration immediately after duplication, and once the tests are finished making back to the restore point and then apply the incremental backups that have accumulated since then.
Another of the options seems to be to create a database of the previous day. Then when running the tests, we turn to the backup database in one instantaneous standby database open read/write and run tests. Once we have finished, we he switch back to a physical standby. This switchback to rewind the changes and recovery logs accumulated are applied as "incremental" catching up with production - which is basically what we want.
Is there another solution to this? Or use a watch of the snapshot, the most effective solution? If possible, we would like to avoid transferring the 600GB whenever we want to re - synchronize the database to test.
Thanks in advance
ThomasHi Tomas. I think you're right. Ensures the most effective solution in your situation of snapshot.
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