Recovery Manager (RMAN) :: Physical And Logical Standby?
Aug 29, 2013
,I have a test environment with Primary DB Server, Physical Standby and Logical Standby.The Logical Standby DB (cur_log_stdb) is backed up every evening by RMAN and I have a question:If I recover my Logical Standby DB from backup and switch replication to new Logical Standby DB (new_log_stdb) it will work or not?My steps e.g.:1. Make a new server for my new_log_stdb and repair structure of catalogs;2. Repair listener.ora and tnsnames.ora files from cur_log_stdb to new_log_stdb;3.
Restore DB with RMAN from backup to new_log_stdb;4. On cur_log_stdb execute "alter database stop logical standby apply";5. Change a DNS name from cur_log_stdb to new_log_stdb;6. On new_log_stdb execute "alter database start logical standby apply immediate";I'm not sure that archivelogs will apply to the new_log_stdb for period since rman backup was created. Configuration:Oracle Linux 6.4Oracle Database 11.2.0.3Primary and Physical with Data Guard
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Feb 8, 2013
In DR site. i have to clone the database from pshysical standby database and clone db will be normal db not standby. Is it possible to do rman duplicate from active dataguard? will it support the duplicate database from active database or i have to take the rman backup of standby database and duplicate from backup piece.
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Aug 30, 2013
My steps for testing as below:
1.create a primary database
2.duplicate a physical standby database;
3.turn on flashback on both databases.
4.record SCN xxx on physical standby database.
5.convert physical standby to logical standby (using keep identity statement)
6.flashback to logical standby to xxx
7.convert logical standby to physical standby
8.using real time apply I got errors: Fast Parallel Media Recovery enabledManaged Standby Recovery starting Real Time ApplyMRP0:
Background Media Recovery waiting for new incarnation during transient logical upgrade procedure
Errors in file /home ora/ app/ oracle/ diag/ rdbms/ ora11gr1dg/ora11gr1dg/trace/ora11gr1dg_mrp0_10120.trc:ORA-19906: recovery target incarnation changed during recoveryManaged Standby Recovery not using Real Time ApplyErrors in file /home/ ora/app/ oracle/diag/ rdbms/ ora11gr1dg/ ora11gr1dg/ trace/ora11gr 1dg_mrp0_ 10120.trc:ORA-19906: recovery target incarnation changed during recovery
Errors appears every 10 seconds. Seems MPR0 is waiting for new incarnation for a long time. So am I.Standby database incarnation:
List of Database IncarnationsDB Key Inc Key DB Name DB ID STATUS Reset SCN Reset Time-------1 1 ORA11GR1 3853851354 CURRENT 1 08/09/2013 01:02:182 2 ORA11GR1 3853851354 ORPHAN 2127877 08/28/2013 19:22:01 BGV
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Jul 17, 2013
can i create physical standby database to logical standby database.
my structure
============
primary database--->physical standby-->logical standby
for fail over case ==>physical standby convert to primary and logical standby connected to current primary database.
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Jul 24, 2013
I have a setup where i have one physical and logical standby from a primary database. In case of switch over between primary and physical database my logical apply gets stopped. Can a logical database be applied from a physical standby ?
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Oct 9, 2012
Can we convert a logical standby to physical standby? Yes or No, if yes how ..
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Jul 25, 2013
I have a setup where i have one physical and logical standby from a primary database. In case of switch over between primary and physical database my logical apply gets stopped. Can a logical database be applied from a physical standby ?
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Oct 9, 2012
I have One Production and one logical standby database . Due to tape problem we are unable to take backups of primary . And due to business , we cannot take back up on disk in hot period(Bank database ) .
If i take logical standby database backup(level 0 ) using RMAN , then will i be able to restore it on production dtbs (In case Production down) ? . Logical standby is in sync with primary .
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Nov 5, 2010
I am trying to duplicate an Database and create an Physical Standby through following command
I took the backup through rman using the following command on Monday
RMAN> run
2> {
3> ALLOCATE CHANNEL C1 TYPE DISK FORMAT 'E:DB_FULL\DB1_FULL_%U';
4> ALLOCATE CHANNEL C2 TYPE DISK FORMAT 'E:DB_FULL\DB1_FULL_%U';
5> ALLOCATE CHANNEL C3 TYPE DISK FORMAT 'E:DB_FULL\DB1_FULL_%U';
6> ALLOCATE CHANNEL C4 TYPE DISK FORMAT 'E:DB_FULL\DB1_FULL_%U';
7> backup database format 'E:DB_FULL\DB1_FULL_%U';
8> backup archivelog all format 'E:DB_FULL\DB1_FULL_%U';
9> backup current controlfile for standby format 'E:DB_FULL\DB1_FULL_%U';
10> }
Today i am trying to clone the DB1 Database as physical standby ...
using the following command
> RMAN TARGET sys/sys@db1 AUXILIARY /
Then I exceuted the following command
> duplicate target database for standby dorecover;
but i am getting error RMAN-06024: no backup or copy of the control file found to restore
contents of Memory Script:
{
set until scn 11182084819076;
restore standby controlfile;
sql clone 'alter database mount standby database';
}
executing Memory Script
executing command: SET until clause
Starting restore at 05-NOV-10
using channel ORA_AUX_DISK_1
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 11/05/2010 15:45:30
RMAN-03015: error occurred in stored script Memory Script
RMAN-06026: some targets not found - aborting restore
RMAN-06024: no backup or copy of the control file found to restore
i even tried to switch the log file of the primary database DB1 but no avail,
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Feb 12, 2013
I have 2 databases. Primary ( DB1 ) and Standby ( STBY1 ). My standby database went kaput, and i have as a result deleted the standby database in order to re-create it from a full primary backup.
Oracle 10g R2 on Server 2003.
I have followed several guides, and at this time i have done the following:
- Configured standby re-do logs on primary
- backed up current controlfile for standby
- backed up database plus archivelog
- configured the tnsnames
[code].........
The problem is here. I connect to RMAN from standby
rman nocatalog
connect target sys/password@ DB1
connect auxiliary /
run{
set until scn xxx;
duplicate target database for standby dorecover;
}
I receive an error message saying that it cannot find the file location of the backups that its trying to find. I see in the error that it tries to look locally for
E:FLASH_RECOVERY_AREA DB1 BACKUPSET2013_02_12), however the actual location is (E:FLASH_RECOVERY_AREA STBY1 BACKUPSET2013_02_12)
I have read that the locations need to be the same, however the instance names are different, and i thought i changed the pfile to accommodate that. My assumption is that i have made an error in the pfile. However i cannot see any issues there. Some things that i have changed in the pfile for standby:
*.db_file_name_convert='DB1','STBY1'
*.db_name='DB1'
*.db_recovery_file_dest='E:FLASH_RECOVERY_AREA'
*.db_unique_name='STBY1'
[code]........
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Jul 1, 2012
Can i setup physical standby without RMAN? I want to create a fresh single physical standby without RMAN .. If i copy all files in another system and take the controlfile from primary as alter database create controlfile for standby ... and fill all the gaps with archives.. Should it work ? i am on 10G Rhel 4 linux.. and both machines would have same config
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Nov 4, 2010
why RMAN is unable to create physical standby database ?
RMAN> connect auxiliary sys/system@DGREPL
connected to auxiliary database: DGREPL (not mounted)
RMAN> connect target sys/system@REPL
connected to target database: REPL (DBID=2730563515)
RMAN> run{
allocate channel prmy1 type disk;
allocate channel prmy2 type disk;
allocate channel prmy3 type disk;
allocate channel prmy4 type disk;
[code]....
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May 6, 2011
oracle version: 10gr2
os:windows 32
I have configured a physical standby database.
I have set the physical standby database to open read mode for a short while.
according to [URL] in order to set db in for from open read-only to applying redo data
Quote:
To change the standby database from being open for read-only access to performing Redo Apply:
Terminate all active user sessions on the standby database. Restart Redo Apply. To start Redo Apply, issue the following statement:
SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE
2> DISCONNECT FROM SESSION;
To enable real-time apply, include the USING CURRENT LOGFILE clause:
SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE
2> USING CURRENT LOGFILE;
this is what happen
SYS@ngdr> alter database recover managed standby database disconnect session;
alter database recover managed standby database disconnect session
*
ERROR at line 1:
ORA-00274: illegal recovery option SESSION
SYS@ngdr> alter database recover managed standby database using current logfile;
okay since I encountered the illegal recovery options session, I decided to use alter database recover managed standby database using current logfile; now the session seems to be hanging forever.
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Jun 27, 2012
How i can manually allocate channel for my backups going to tape?
For disk backups i can do and it work...
RUN
{
ALLOCATE CHANNEL disk1 DEVICE TYPE DISK FORMAT 'J:dbname\%U';
restore database preview;
}
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Jun 7, 2013
I am using RMAN with a recovery catalog option on a separate Database. My question is
When we use catalog does RMAN keep the information in Control file of the Target Database as well or only in recovery catalog? I am asking this in case We lost the database which contains the recovery catalog what to do?
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Feb 11, 2011
I have recently patched my catalog home to 9208 from 9204; the target database is still on 9204 but now I cannot connect to the catalog database.
oracle@mogw:TES1:/u01/app/oracle/admin/TES1/bdump
rman rcvcat rman/rman@RMANDB
Recovery Manager: Release 9.2.0.4.0 - 64bit Production
Copyright (c) 1995, 2002, Oracle Corporation. All rights reserved.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
[code]...
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Jun 25, 2013
While connecting to target database from stand database. I am getting below error.
calhost dbs]$ sqlplus system/oracle@proddb
SQL*Plus: Release 10.2.0.1.0 - Production on Sat Jun 22 00:18:10 2013
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
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
[standdb@localhost dbs]$ rman target system/oracle@proddb auxiliary system/oracle@standdb
Recovery Manager: Release 10.2.0.1.0 - Production on Sat Jun 22 00:18:22 2013
Copyright (c) 1982, 2005, Oracle. All rights reserved.
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-00554: initialization of internal recovery manager package failed
RMAN-04005: error from target database:
ORA-01031: insufficient privileges
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Sep 30, 2012
how to duplicate it on oracle 11g xe windows 2003
i have read from documentation but getting some error.
in last
E:Documents and SettingsAdministrator>rman
Recovery Manager: Release 11.2.0.2.0 - Production on Sun Sep 30 03:03:09 2012
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
RMAN> connect auxiliary sys/12
connected to auxiliary database: XE (not mounted)
RMAN>
RMAN> DUPLICATE DATABASE TO xe
[code]...
Backup-Based Duplication Without a Target and a Recovery Catalog Connection?
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Sep 23, 2012
Can the target database and the recovery catalog database be the same?
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Jan 6, 2013
I am making incremental backups via RMAN, the backups are staying at disk. And the infrastructure team will copy this files backups to tape. And they want delete the files that will staying in disk via RMAN. Until now it's ok.
But and if I need of backups that stay on tape, it's possible make a recovery of deleted files by rman.
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May 2, 2013
Is this possible to recover a schema using RMAN bckup
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May 26, 2013
I have dataguard configuration operating in maximum availability mode with a local standby db (A - lgwr sync not using real time apply) and a remote standby db (B - lgwr async). I then simualted a crash of my primary database with batch jobs running. Since the stby db A is in lgwr sync option ,all the commited data in the current online redo log has been transmitted to stby A and is present in its stby redo log (Group 2).How do I apply this stby redo log to the remote stby db.
Tried the following methods.
1.ftp the stby redo log to the remote db and tried to regiter it, got an error that it is not completely archived.
2.issued the recover standby database command and supplied the stby redo log when it asked for the sequence in the stby redo, got an error saying there is corruption in a block(tried this option multiple times ended up with the same result.)
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Jan 20, 2013
I have seen in many RMAN backup scripts that a manual log switching is performed in first line of the script? What is it purpose, just to write changes needed to reconstruct the DML/DDL statements to online redo logfiles and start the archiving process if db is running in archive log mode?
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Oct 8, 2012
11.2.0.3 win 2003. have direct aim to restore database from inc0+inc1 backup + recover up to latest archives made after inc1.
Steps have to be done:
1. SQLPLUS> startup nomount from pfile='......';
2. RMAN> restore controlfile from ...
3. SQLPLUS > alter database mount;
4. RMAN> run
{
[code]...
failover to previous backup
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of restore command at 10/08/2012 13:30:20
[code]....
List of Backup Sets
===================
BS Key Size Device Type Elapsed Time Completion Time
------- ---------- ----------- ------------ ---------------
795 108.13M DISK 00:00:16 05-OCT-12
BP Key: 831 Status: AVAILABLE Compressed: YES Tag: BACKUP_WORK_00000
[code]...
Questions:
1. Why it ignoring "set new name" and db_file_name_convert??
2. Why no backup or copy of datafile 1,2,3,4 found to restore, it can seee it clearly through all its commands?
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Aug 27, 2012
I am using Oracle 11.2.0.3 RAC (2 nodes) + ASM on AIX 7.1
I am backing up my Oracle database through RMAN to ASM disk groups..I have a requirement to backup also to an OS file systems. So what I did that I mounted an NFS across the 2 nodes of my RAC database.I am running backup from node 2 only.My issue now is that I am facing a real performance issue when backing up to NFS.My question is there any way to take an RMAN backup to local file system on node 2? or in other way what are the options to take RMAN backups to an OS file system?
I tried to copy from ASM to OS file system but i was advised to backup to file system using the format command.what should i do in such case? since I am facing performance issue to backup to NFS.
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Jul 9, 2013
The customer wants the RMAN recovery catalog database to be highly available so that none of the RMAN database backup jobs are impacted at the time of taking the database backups. There are are 200+ databases running on OEL, RHEL and Windows. So we planned to host the recovery catalog database on Oracle Active DataGuard 11.2.0.1 Enterprise Edition on RedHat EL 5.8 version on two physical servers.
The Primary Instance will be in one server in the Primary DC and the Standby Instance will be on another server in another DC. Also all the database datafiles are hosted in ASM Diskgroups on SAN (DATA, FRA, REDO, ARCH diskgroups). Are there any specific RPM/patch/OS user custom/specific settings or configurations needed..?
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Dec 13, 2012
Can I register a database say MYDB in datacenter1 with two different catalogs i.e., I have one rman catalog a datacenter1 location and another rman catalog in datacenter2 location. So, can I register MYDB to rman catalogs at datacenter1 and datacenter2. If, so how can we keep rman catalogs at datacenter1 and datacenter2 in sync. For MYDB rman backups I just want to use local rman catalog which is datacenter1. But I just want to keep a redundant copy of the rman catalog.
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Mar 27, 2013
I took backup of Datafiles , archivelog files and controlfile through RMAN. Now, i want 3 backup file will created as a output of RMAN operation. It would be :
1 backupfile for all the datafiles
1 backupfile for all the archivelog files
1 backupfile for controlfile.
It have to be regardlessly whatevr my DB size is. It it possible to do so. How i can can write rman script to accomplish the task.
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Sep 3, 2013
Oracle 10gR2 on 64-bit RHEL.Backup Strategy:There will be a level-0 backup of the database every Sunday and level-1 every weekday.Archivelogs will be backed up up every 30 minutes.
Q: How can I delete ALL the archivelog backups that were taken that day (every 30 minutes) right after successful completion of level-0 or level-1 backup?
I want to delete them because they may not be of any use after the level-0 or level-1 backup (am I right)?
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Feb 19, 2013
I want to test full backup (hot backup using RMAN) of my DB (11.2 SE) on another server (I didn't install DB on yet).
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