Data Guard :: Logs Get Shipped But Not Applied - Due To Primary Database Reset

Jul 22, 2013

I have a Sap Primry Database and also a standby db that was working perfectly.. We migrated the primary db from windows 2003 to windows 2008 and brought the primary db up.. I had to create a controlfile and do a system copy and had to reset the logs on the Primary.. All came up and when i checked the standby it was receiving the logs but after a month. i see that it was not applying the logs as I think because of the sequence number .. it stopped.

I did the ffg as per the attachement...My logs have been shipped across but not applied, But What worrries me is the log sequence number on my Primary

SQL> select max(sequence#),thread# from gv$archived_log group by thread#;

MAX(SEQUENCE#) THREAD#
-------------- ----------
27727 1

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Data Guard :: Archive Logs Are Being Shipped But Not Applied

Jun 27, 2013

Currently I am at the point where the configuration has been completed, and I just need to sync the standby database to the primary one. I can see in the log files that the archive logs are being shipped, but they are not applied on the standby system. 

If I run "recover standby database;" manually in sqlplus I can see that it is trying to apply an archive log which is way too old (ORA-00279: change 9656498443 generated at 04/29/2008 08:45:08 needed for thread 1). I

n the alert log I can also see this error: Warning: Recovery target destination is in a sibling branch of the controlfile checkpoint. Recovery will only recover changes to datafiles. 

At this point I was thinking that the standby database might be on a different incarnation compared to the primary, but this is not the case, they are both in incarnation 6:6  6  MVF  4023175798 CURRENT 48493546257 13-06-21 

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Data Guard :: Logs Are Not Getting Applied In Standby Database

Sep 5, 2012

I have created a physical standby database and in it the logs are not getting applied.following is an extract of the standby alert log

Wed Sep 05 07:53:59 2012
Media Recovery Log /u01/oracle/oradata/ABC/archives/1_37638_765704228.arc
Error opening /u01/oracle/oradata/ABC/archives/1_37638_765704228.arc
Attempting refetch
Media Recovery Waiting for thread 1 sequence 37638
Fetching gap sequence in thread 1, gap sequence 37638-37643
Wed Sep 05 07:53:59 2012
RFS[46]: Assigned to RFS process 3081
RFS[46]: Allowing overwrite of partial archivelog for thread 1 sequence 37638
RFS[46]: Opened log for thread 1 sequence *37638* dbid 1723205832 branch 765704228
Wed Sep 05 07:55:34 2012
RFS[42]: Possible network disconnect with primary database

However, the archived files are getting copied to the standby server.I tried registering and recovering the logs but it also failed..Follows some of the information,

Primary
Oralce 11R2 EE
SQL> select max(sequence#) from v$log where archived='YES';
MAX(SEQUENCE#)
--------------
37668
[code]...

troubleshoot this and get the standby in sync.

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Data Guard :: App Archive Logs Which Come From Primary Database?

Feb 16, 2012

If my standby database is read only mode,does it can app the archive logs which come from primary database?

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Data Guard :: Archived Logs Not Applied On Standby But Looks Ok

Jan 11, 2012

I got a database on dataguard and my primary (db1) is shipping files to my standby (db2) with no problems.However, when I query:

select sequence#, status, applied from v$archived_log;

I see this:
SEQUENCE# S APP
---------- - ---
4 A YES
5 A YES
6 A YES
7 A YES
8 A YES
9 A YES
10 A YES
11 A YES
12 A YES
13 A YES
14 A YES
[code]....

So I did an alter system switch logfile on db1 then looked again and I can see new archived logs being applied.I thought all archived logs had to be applied on the standby since this is the very foundation of the standby database.Am I going to run in trouble later if I have a failover (unsynchronized database)

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Data Guard :: Can A Logical Database Be Applied From A Physical Standby

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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Data Guard :: How To Delete Archivelog In Standby Database When Applied Successfully

Aug 20, 2008

How to make the automatic deletion of all the archivelogs when it is applied successfully on the standby database? We have 1 primary database and 1 standby database using oracle physical dataguard.

In the primary database, we have daily backup job so that the applied archivelogs are deleted automatically, no problem

But in the standby database ( physical standby) I have to go there and delete manually because I don't issue backup on this database. Is there any solution for this problem.

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Dataguard / Logs Not Shipped To Standby With Error

Oct 26, 2010

I have two Oracle 10.2.0.4 databases, on two SUN M5000 (Solaris 5.10). One is primary (EXP1), the other is the standby (EXPBKP). Both SID is 'EXP'. If I do a manual recover (after I sync'ed primary archive logs from primary to standby), it works. If I do a manual log switch, logs are shipped AND applied on the standby. But after a while, I can see some errors on primary alert log , and logs are not shipped anymore :

CODE Errors in file /applications/oracle/admin/EXP/bdump/exp_arc2_1277.trc:
ORA-03135: connection lost contact
Tue Oct 26 08:30:14 2010
FAL[server, ARC3]: FAL archive failed, see trace file.
Tue Oct 26 08:30:14 2010
Errors in file /applications/oracle/admin/EXP/bdump/exp_arc3_1279.trc:
ORA-16055: FAL request rejected
ARCH: FAL archive failed. Archiver continuing
[code]....

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Data Guard :: Flashback Snapshot Standby Database Or New Primary Database After Failover?

Aug 30, 2013

If flashback is enable in physical standby database 1. If we failover at 11AM can I flash back NEW primary database to 6 AM ? 2. if I convert physically standby database to snapshot standby database at 11AM ,  Can I  flashback snapshot standby database to 6 AM and do some works on it (DML operations)  then   converting the snapshot standby database into physical standby database ?  

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Data Guard :: Switch (convert) Primary Database To Standby Database?

Jan 30, 2013

I have installed oracle 11g standard edition one and created both primary and standby database. now i want to know how to switch(convert) primary database to standby database.

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Data Guard :: Unable To Get Data Of Primary In Standby Database (dataguard)

Jan 16, 2013

i have configured physical standby in my local system, to check logshipping i created a table at primary db, wen i tried to check in standby, it says table does not exist..below are primary & standby alert entries..

Primary alert log

Fatal NI connect error 12514, connecting to:
(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=172.16.0.98)(PORT=1522))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=STAND)(SERVER=dedicat ed)(CID=(PROGRAM=d:oracle11gappadministratorproduct11.1.0db_1inORACLE.EXE)(HOST=A960M)(USER=SYSTEM))(SERVER=dedicated)))
VERSION INFORMATION:
TNS for 64-bit Windows: Version 11.1.0.6.0 - Production

[code]....

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Data Guard :: Registering Primary Database To Catalog Database

Oct 9, 2012

Here we have a data guard environment with db1(db_unique_name) as primary and db2(db_unique_name) as physical standby database. Also we configured one schema on a third machine as catalog database using following steps. The steps executed in catalog database(appsdb):

SQL> create tablespace rmancatlog_tbs datafile '/u01/app/oracle/oradata/NEW/rman_catalog.dbf' size 500M autoextend off extent management local segment space management auto;

SQL> create user rman identified by oracle
2 default tablespace rmancatlog_tbs
3 quota unlimited on rmancatlog_tbs
4 ;SQL> GRANT connect, resource, recovery_catalog_owner TO rman;

RMAN> create catalog;
recovery catalog created

Added tns entries of catalog database in primary and standby. Then from primary database we tried to register to catalog database. It is showing that it is registering. But every query afterwards in rman is throwing the error. Below are the steps and error:

[oracle@db1 ~]$ rman target sys/oracle catalog rman/oracle@appsdb
Recovery Manager: Release 10.2.0.3.0 - Production on Mon Aug 13 21:39:32 2012
Copyright (c) 1982, 2005, Oracle. All rights reserved.
connected to target database: NIOS (DBID=1589015669)
connected to recovery catalog database
[code]....

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Data Guard :: Unable To Get Data Of Primary In Standby Database

Jan 16, 2013

I configured dataguard in my local system.

1) scn differs wrt primary in standby (i checked, 1day difference), how to make scn same?

2)i created a table in primary, its not refelecting in standby, (below i ve pasted alertlog entries)

ORA-27041: unable to open file
OSD-04002: unable to open file
O/S-Error: (OS 2) The system cannot find the file specified.
Errors in file d:oracle11gappadministratordiag
dbmsstandstand racestand_dbw0_6916.trc:
ORA-01157: cannot identify/lock data file 2 - see DBWR trace file
ORA-01110: data file 2: 'D:ORACLE11GAPPADMINISTRATORORADATASTANDSYSAUX01.DBF'

[code]....

3)wen i try to open standby database in read only mode gives below error..

ERROR at line 1:
ORA-16004: backup database requires recovery
ORA-01157: cannot identify/lock data file 1 - see DBWR trace file
ORA-01110: data file 1:
'D:ORACLE11GAPPADMINISTRATORORADATASTANDSYSTEM01.DBF'

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Data Guard :: Refresh Primary Using Standby Database?

Feb 2, 2013

I was using physical standby but my primary database had had some HW issue.So I had activated standby database to handle production.During 3 months, standby database was our live database and our old primary was unavailable.Now HW issue on primary has been fixed.And I want to set again my old configuration : means set primary and standby db.

I'm trying this :

1) check the SCN on old primary

2) Rman incremantal backup from scn

3) on primary db : catalog

4) on primary db : recover database noredo

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Data Guard :: Changing Password On Primary Database?

Nov 10, 2011

I'm using 2 databases : Primary and Standby DB. It working fine. I've just one question : I want to change SYS password on primary DB. Can I change it without any action on Standby DB?

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Data Guard :: Upgrade Primary And Standby Database?

Apr 30, 2012

I have a primary and standby DB using data guard 10.2.0.3.I want to upgrade oracle to 11G.I know that primary and standby should have same version even if data guard will not work again.I want to know what is the steps by steps action to properly upgrade both DB : primary and Standby.

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Data Guard :: Shutdown Down In Primary Database In Environment

Jun 29, 2010

I have configured data Guard on oracle 11gR2. It is working fine. The only issue i am facing is that when i am stopping the database on the primary server, it is taking a long long time to down the database.

Is it normal?

Furthermore, regarding backup i used veritas Netbackup to perform hotbackup. Can i still used the same principle.

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Data Guard :: Change Some Parameters On Primary Database?

Sep 29, 2012

I am going to change some parameters on primary database (db cache, java pool etc.). I am not sure, if the changes are automaticallly propagated to standby or if I have to make the changes manually on stanby site too? I couldn't find clear answer in documentation. how parameter changes work in dg physical configuration?

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Data Guard :: Changing Redo Log Folder On Primary Database

Mar 3, 2012

I want to replace one redo log on the primary database. actually this redo log is on G:oracleoradata; I want to move it on F:oracleoradata. How to do that cause the same redo log is also on standby database?

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Data Guard :: Check If Database Encrypted Or Not On Primary / Standby?

Jul 25, 2013

We have a primary and a standby (Physical Dataguard) site.

1. How do i check if the database is encrypted or not on primary as well as standby ?
2. If primary and standby are encrypted, does the data that gets replicated from primary to standby also in encrypted form ? If not, does it make sense to encrypt that ?

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Data Guard :: Take Clone Primary Database At Specific Time?

May 29, 2013

Can we make Data Guard to take clone Primary Database at Specific Time?

e.g. Clone Primary Database at 10 AM and at 6 PM?

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Data Guard :: Find Archive Log Gap From Primary Database Site?

Mar 23, 2013

I am new to Oracle and a beginner in Data Guard.

1) How to find archive log gap from Primary Database site?
2) Do I need the DB_UNIQUE_NAME when setting the LOG_ARCHIVE_DEST_2 ? What is the purpose of DB_UNIQUE_NAME in LOG_ARCHIVE_DEST parameter?
3) If archivelog gap happens standby db goes out of sync with the primary database. What does out of sync actually mean?
4) Primary DB knows where to transport redo data based on the location mentioned in LOG_ARCHIVE_DEST_n of Primary DB. Am I correct in my understanding?

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Data Guard :: Convert Snapshot Database (standby) Directly To Primary?

Dec 16, 2012

(Oracle 11gR1 OEL 5)Is there any possibility to convert snapshot database (standby) directly to Primary. Instead of manual switchover I want to do this

I have checked that snapshot creates a guaranteed restoration point which reverts back changes in Standby.

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Data Guard :: Query Regarding Standby Database State When Primary Is Down / Unreachable

Feb 20, 2013

I want to know if there is any reflection on the standby database states when it's primary is down or not reachable? I want to use this information from standby node to determine if I can programmatically execute (dgmgrl) failover operation or not? This is considering that the broker configuration has no fast-start failover and no observer enabled/configured.

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Data Guard :: Change Instance Parameter Of Primary Database And Standby

Nov 29, 2011

I have a requirement to change the instance parameter of the primary database and standby in the data guard. Any procedure to do the same. I have to do it directly on production and there is no test set up so I cannot experiment . The procedure I am thinking of is as below.

1. Stop the standby

2. backup the primary

3. Change the parameter and restart to make it effective

4. Start the primary

5. Go to stand by

6. Change the parameter and mount the database.

7. Check if both are in sync and apply logs if not.

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Data Guard :: Change Server B To Standby Database With A Running As Primary

Oct 4, 2010

I new to data guard concept.

I am using oracle 10g with data guard configured , I have primary ( A ) and standby database ( B ) .But because of some unavoidable conditions the primary database ( A ) got shutdown and was not starting , We shifted the standby database ( B ) at new location and changed it to primary with following command ,

startup mount;
alter database recover managed standby database finish;
alter database commit to switchover to physical primary;
shutdown;
startup;

This new primary ( B ) was open for end users for 2 days during which old primary ( A ) was shutdown .

I took the backup of ( B ) and restored it on A AND shutdown the B . Now A is acting as Primary database. Server B is shutdown . I want to change server B to standby database with A running as Primary .Is it possible ?

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Data Guard :: Primary Database Is RAC And Physical Standby Is Single Instance

Mar 27, 2013

I am using Oracle RAC 11.2.0.3 as primary database, we are going to start using Oracle data guard. So I am designing my infrastructure and planing to use Oracle 11.2.0.3 Single instance as my physical stand by database.

My question is it feasible to have my standby database as single instance while the primary is RAC? is it feasible to build my Oracle single instance standby database from the RMAN backup of the RAC primary database? Is there any restrictions (or any points to be taken into consideration) since my primary database is RAC while the physical standby is Oracle single instance?

in the below link

[URL].......

it was mentioned that primary can be RAC or single and same for standby, but my question is it feasible to have primary as RAC while standby as single instance? or it should be like each others?

The primary database can be either a single-instance Oracle database or an Oracle Real Application Clusters (RAC) database. Similar to a primary database, a standby database can be either a single-instance Oracle database or an Oracle RAC database.

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Data Guard :: Right Steps To Perform Failover In Case Primary Database Gets Fail

Jan 10, 2011

i have Oracle 10g data guard set up on windows environment.....i need to know the what are the right steps to perform failover in case the primary database gets fail.

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Data Guard :: Create Control File With Standby Keyword On Primary Database

Jul 4, 2012

What is difference when you issue a create controlfile with "standby" keyword on the primary database

ALTER DATABASE CREATE STANDBY CONTROLFILE AS '/path/db_stby.ctl';

vs. creating a control using

ALTER DATABASE BACKUP CONTROLFILE to '/path/db_control.ctl';

what does ORACLE put into the standby control that is "extra"? ie. what is the difference between a standby control file and a normal control file?

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Data Guard :: Archive Copied Onto DR But Not Applied?

Jul 2, 2011

We have Oracle 10G dataguard configured,

DGMGRL -
Show configuration;
Shows status "SUCCESS"

Also
Archive log list
shows the proper archives in PROD as well as DR

But, when we check the Archive Applied ="YES" its shows result as "BLANK"

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