great import on dataguard (physical standby 11.2)
Hi experts,I have to import a large database (50 GB) (impdp) which must be configured with a database of pending.
My Question:
Should I make the import before or after the configuration of the standby database?
Thanks and greetingshqt200475
Published by: hqt200475 on 7 Sep 2011 08:55
Do the IMPORT in the first place.
If you don't you risk ruining the FRA on the primary and the side of the watch. Roll forward stops applying the second FRA hit the limit of the day before or worse another day or two more later, when you think you're in the clear. Even if you do not use any shipping FRA for a reason this remake is not a good idea on a new system of Data Guard. You might have another question and you just made it by performing an import of this size. On most systems you would add additional 500 more redo logs to the mix.
Also, you can duplicate using RMAN standby database after import very easily.
I probably expected a few days after I imported before primary futures a less that I built the day before.
I have a solid duplicate document and will share if you have decided to go this route.
Best regards
mseberg
Tags: Database
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Hello
11.2.0.1
We have a DEV database which is also as critical as the PROD db since there are many strategic projects running on it.
This DEV database has been configured with dataguard physical standby on the DR server.
Well, that's what I read in the documents only as I'm newly taken over as a dba. Setup has been done outsourced
by 3rd party, and I can't talk to the implentors, as they were long gone.
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Hello;
"If the physical standby is stopped for almost a year, can it still be activated? or is it still valid? »
No and no. Even a tiny production database would have generated and remove too many archives in a year for the old standby at any value. Rebuild it.
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You could do just that: (primary side)
ALTER system set log_archive_dest_state_2 = reporter;
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How to remove a primary database data protection Configuration (Doc ID 733794.1)
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DataGuard (activate a physical standby as a stand-alone database database)?
Hi all
Can I please ask advice on how it would activate a physical database ensures for 11.2.0.4?
Note - I do not want to return the "standby" to watch again...
Note 1 – I don't have (and don't use flashback technology to do this) - so I can't use a watch "snapshot"...
Note 2 - the 'primary' current cannot be touched.
Something like below?
Repeat stop applies to pending
SQL > alter database recover managed standby database cancel;
Stop redo pending transaction logs.
PRIMARY
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SQL > STARTUP MOUNT FORCE;
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Concerning
It wouldn't affect Production (primary). It's just the steps of failover.
The same applies to the role transition, but in a role transition, you must first pass at the primary level of Eve and the day before, you must run the digital switchover to make primary.
You could refer to this https://docs.oracle.com/cd/E11882_01/server.112/e41134/role_management.htm#SBYDB4769 you would get to the difference of the steps for the passage and failover.
-Jonathan Rolland
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RAC &; DataGuard (physical pending)
Hi all
I am trying to get a high level overview of how CARS & DataGuard behave in the following configuration. I wrote my understanding of how things work. Please correct me if I'm wrong.
(1) node RAC (primary) 2 with a physical standby of single instance.
(a) same init.ora parameters related Eve would have configured on both nodes main cars.
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(d) during the downgrade as a primary RAC instance should be in place outside the instance of Eve.
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(2) node 2 (primary) CARS with a physical standby 2 node
This is when it becomes complex and I'm not really sure how a, b, c, d, e would be in this scenario. Appreciate if you could throw some light on this and the list of what
a, b, c, d, e could look like in this scenario.
I'm assuming that only one instance in the standby THAT CARS should be in place when the watch is in configuration CARS to do it again apply to the work.
Also, if there is a white paper procedure step by step details to put in place the 2 scenarios above, please let me know. So far, I could not find that the MAA white paper, but which was not very helpful. If you prescribe a good book for RAC & DataGuard would be too great...
Thanks for your help>
(1) node RAC (primary) 2 with a physical standby of single instance.
(a) same init.ora parameters related Eve would have configured on both nodes main cars.
Usually rac nodes share their spfile on a shared diskvolume or through the ASM. So they were all identically DG parameter
(b) redo apply service to sleep could merge the redo leave the 2 wires of the primary and apply it to the night before to preserve the synchronization.
Fix
(c) during RAC primary instance must be to the top outside of the instance of Eve.
Seems logical to me
Edit: actually during normal operation the two RAC nodes are up, so during the transition to digital they are both active too
This is the configuration that is important. As soon as the wait becomes primary, it could be that he only talks to one RAC node for its files of log-apply(d) during the downgrade as a primary RAC instance should be in place outside the instance of Eve.
This single is the only race in step c.
(e) during the failover ofcourse the two primary instances would be down that guarantees the fail on.
Fix. Remember that during a failover of the RAC config would be déconfigurée the setting of the DG and must be added again as before.
You may need to take a look at: http://www.oracle.com/technology/deploy/availability/pdf/MAA_WP_10g_RACPrimarySingleInstancePhysicalStandby.pdf
>
(2) node 2 (primary) CARS with a physical standby 2 node
This is when it becomes complex and I'm not really sure how a, b, c, d, e would be in this scenario. Appreciate if you could throw some light on this and the list of what
a, b, c, d, e could look like in this scenario.I'm assuming that only one instance in the standby THAT CARS should be in place when the watch is in configuration CARS to do it again apply to the work.
N ° day before primary RAC RAC would mean that both nodes are in place on both sides. PrimNode1 send its logs of StandbyNode1 recovery and the same for PrimNode2 and StandbyNode2
Have a look here: http://www.oracle.com/technology/deploy/availability/pdf/MAA_WP_10g_RACPrimaryRACPhysicalStandby.pdf
HTH,
FJFranken
My Blog: http://managingoracle.blogspot.comPublished by: fjfranken on July 16, 2010 01:13
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Here's my question after tons of research and test without have the right solutions.
Target:
(1) I have a 12.1.0.2 database unique main enterprise 'testdb' as database instance running on the server "node1".
(2) I created physical standby database "stbydb" on the server "node2".
(3) DataGuard running on the mode of MaxAvailability (SYNC) with roll forward in real time 12 default c apply.
(4) primary database has 3 groups of one-man redo. (/oraredo/testdb/redo01.log redo02.log redo03.log)
(5) I've created 4 standby redo logfiles (/oraredo/testdb/stby01.log stby02.log stby03.log stby04.log)
(6) I do RMAN backup (database and archivelog) on the site of relief only.
(7) I want to use this backup for full restore of the database on the primary database.
He is a DR test to simulate the scenario that has lost every primary & Eve total servers.
Here is how to save, on the database pending:
(1) performance 'alter database recover managed standby database Cancel' to ensure that compatible data files
(2) RMAN > backup database;
(3) RMAN > backup archivelog all;
I got elements of backup and copied to primary db Server something like:
/Home/Oracle/backupset/o1_mf_nnndf_TAG20151002T133329_c0xq099p_.BKP (data files)
/Home/Oracle/backupset/o1_mf_ncsnf_TAG20151002T133329_c0xq0sgz_.BKP (spfile & controlfile)
/Home/Oracle/backupset/o1_mf_annnn_TAG20151002T133357_c0xq15xf_.BKP (archivelogs)
So here's how to restore, on the main site:
I clean all the files (data files, controlfiles oder all gone).
(1) restore spfile from pfile
RMAN > startup nomount
RMAN > restore spfile from pfile ' / home/oracle/pfile.txt' to ' / home/oracle/backupset/o1_mf_ncsnf_TAG20151002T133329_c0xq0sgz_.bkp';
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*.audit_file_dest='/opt/Oracle/DB/admin/testdb/adump '
* .audit_trail = "db".
* full = '12.1.0.2.0'
*.control_files='/oradata/testdb/control01.ctl','/orafra/testdb/control02.ctl'
* .db_block_size = 8192
* .db_domain = "
*.db_file_name_convert='/testdb/','/testdb /'
* .db_name = "testdb".
* .db_recovery_file_dest ='/ orafra'
* .db_recovery_file_dest_size = 10737418240
* .db_unique_name = "testdb".
*.diagnostic_dest='/opt/Oracle/DB '
* .fal_server = "stbydb".
* .log_archive_config = 'dg_config = (testdb, stbydb)'
* .log_archive_dest_2 = "service = stbydb SYNC valid_for = (ONLINE_LOGFILE, PRIMARY_ROLE) db_unique_name = stbydb'"
* .log_archive_dest_state_2 = 'ENABLE '.
*.log_file_name_convert='/testdb/','/testdb /'
* .memory_target = 1800 m
* .open_cursors = 300
* runoff = 300
* .remote_login_passwordfile = "EXCLUSIVE."
* .standby_file_management = "AUTO".
* .undo_tablespace = "UNDOTBS1.
(3) restart db with updated file pfile
SQLPLUS > create spfile from pfile='/home/oracle/pfile.txt'
SQLPLUS > the judgment
SQLPLUS > startup nomount
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RMAN > restore primary controlfile to ' / home/oracle/backupset/o1_mf_ncsnf_TAG20151002T133329_c0xq0sgz_.bkp';
RMAN > change the editing of the database
(5) all elements of backup catalog
RMAN > catalog starts by ' / home/oracle/backupset / '.
(6) restore and recover the database
RMAN > restore database;
RMAN > recover database until the SNA XXXXXX; (this YVERT is the maximum in archivelog backups that extends beyond the scn of the backup of the data file)
(7) open resetlogs
RMAN > alter database open resetlogs;
Everything seems perfect, except one of the file log roll forward pending is not generated
SQL > select * from v$ standby_log;
ERROR:
ORA-00308: cannot open archived log ' / oraredo/testdb/stby01.log'
ORA-27037: unable to get file status
Linux-x86_64 error: 2: no such file or directory
Additional information: 3
no selected line
I intended to use the same backup to restore primary basic & helps record traffic and the downtime between them in the world of real output.
So I have exactly the same steps (except STANDBY restore CONTROLFILE and not recover after database restore) to restore the database pending.
And I got the same missing log file.
The problem is:
(1) complete alert.log filled with this error, not the concern here
(2) now repeat it in real time apply won't work since the Party shall LGWR shows always "WAITING_FOR_LOG."
(3) I can't delete and re-create this log file
Then I tried several and found:
The missing standby logfile was still 'ACTIVE' at present RMAN backup was made.
For example, on db standby, under Group #4 (stby01.log) would be lost after the restoration.
SQL > select GROUP #, SEQUENCE #, USE (s), the STATUS from v$ standby_log;
GROUP # SEQUENCE # USED STATUS
---------- ---------- ---------- ----------
4 19 ACTIVE 133632
5 0 0 UNASSIGNED
6 0 0 not ASSIGNED
7 0 0 UNASSIGNED
So until I take the backup, I tried on the primary database:
SQL > alter system set log_archive_dest_state_2 = delay;
This was the Group of standby_log side Eve #4 was released:
SQL > select GROUP #, SEQUENCE #, USE (s), the STATUS from v$ standby_log;
GROUP # SEQUENCE # USED STATUS
---------- ---------- ---------- ----------
4 0 0 UNASSIGNED
5 0 0 UNASSIGNED
6 0 0 not ASSIGNED
7 0 0 UNASSIGNED
Then, the backup has been restored correctly without missing standby logfile.
However, to change this primary database means break DataGuard protection when you perform the backup. It's not accept on the production environment.
Finally, my real questions come:
(1) what I do may not do on parameter change?
(2) I know I can re-create the control file to redo before delete and then recreate after. Is there any simple/fast to avoid the standby logfile lost or recreate the lost one?
I understand that there are a number of ways to circumvent this. Something to keep a copy of the log file waiting restoration progress and copy up one missing, etc, etc...
And yes I always have done no real-time applies "to the aid of archived logfile" but is also not accept mode of protection of production.
I just want proof that the design (which is displayed in a few oracle doc Doc ID 602299.1 is one of those) that backs up data backup works effectively and can be used to restore the two site. And it may be without spending more time to resume backups or put the load on the primary database to create the database before.
Your idea is very much appreciated.
Thank you!
Hello
1--> when I take via RMAN backup, RMAN does not redo log (ORL or SRL) file, so we cannot expect ORLs or SRL would be restored.
2nd--> when we opened the ORL database should be deleted and created
3rd--> Expecting, SRL should not be an issue.we should be able to do away with the fall.
DR sys@cdb01 SQL > select THREAD #, SEQUENCE #, GROUP #, STATUS from v$ standby_log;
THREAD # SEQUENCE # GROUP # STATUS
---------- ---------- ---------- ----------
1 233 4 ACTIVE
1 238 5 ACTIVE
DR sys@cdb01 SQL > select * from v$ logfile;
GROUP # STATUS TYPE MEMBER IS_ CON_ID
---------- ------- ------- ------------------------------ --- ----------
3 /u03/cdb01/cdb01/redo03.log no. 0 online
/U03/cdb01/cdb01/redo02.log no. 0 2 online
1 /u03/cdb01/cdb01/redo01.log no. 0 online
4 /u03/cdb01/cdb01/stdredo01.log WATCH No. 0
/U03/cdb01/cdb01/stdredo02.log EVE 5 No. 0
DR sys@cdb01 SQL > ! ls - ltr /u03/cdb01/cdb01/stdredo01.log
method: cannot access the /u03/cdb01/cdb01/stdredo01.log: no such file or directory
DR sys@cdb01 SQL >! ls - ltr /u03/cdb01/cdb01/stdredo02.log
-rw - r-. 1 oracle oinstall 52429312 17 Oct 15:32 /u03/cdb01/cdb01/stdredo02.log
DR sys@cdb01 SQL > alter database force claire logfile 4;
change the database group claire logfile 4
*
ERROR on line 1:
ORA-01156: recovery or current flashback may need access to files
DR sys@cdb01 SQL > alter database recover managed standby database cancel;
Database altered.
DR sys@cdb01 SQL > change the database group claire logfile 4;
Database altered.
DR sys@cdb01 SQL > ! ls - ltr /u03/cdb01/cdb01/stdredo01.log
-rw - r-. 1 oracle oinstall 52429312 17 Oct 15:33 /u03/cdb01/cdb01/stdredo01.log
DR sys@cdb01 SQL >
If you do, you can recreate the controlfile without waiting for redo log entry...
If you still think it's something is not acceptable, you must have SR with support to analyze why he does not abandon SRL when controlfile_type is "underway".
Thank you
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Hi all
We plan to set up physics in waiting for our CARS database. Can anyone let us know how config in the case of RAC database? Also after you set up the night before with the protection mode max is possible to change physical Snapshot standby standby for our app objective test team?
RDS,
Varun
Hi Varun,
I recently put in place an environment of two RAC nodes to a custodian of data environment is only a single node. Nothing very special when configuring Data Guard in a CCR environment. The most important thing is that each RAC instance must send waiting for BD archivers.
This setting is configured the destination archive database pending.
Once the archivers reach the Data Guard environment are applied correctly and consistently to the comics of the day before.
You have this MOS score that helps the creative process.
Create a sleep using RMAN Duplicate (RAC or Non-RAC) (Doc ID 1617946.1)
Yes, you can convert the Standby database to a snapshot of BD, are supported read/write operations.
Use the command alter database convert on the eve of the snapshot;
And when people apps to complete the test, convert it to sleep with the command:
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Is very powerful and easy.
I hope to help.
Best regards
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Test of physical Standby DB 11 g
Hi all
My company is considering a DR test in a few months, and since I never did this until I was wondering what would be the best way to go on the DB pending tests. This is a database of 11G (11.2.0.3). I read the following articles:
http://gavinsoorma.com/2009/09/11g-snapshot-standby-for-real-time-testing/
http://www.Pythian.com/blog/testing-a-physical-standby-database-in-Oracle-10G/
http://www.Oracle.com/technetwork/articles/SQL/11g-DataGuard-083323.html
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logical standby local and remote physical standby
Dear all,
My version of the database is 10.2.0.1.0 (production) and the x 86-64 OS Version Red Hat Enterprise 4 Linux operating system
Here's my configuration details:
Rprimary database: two-node RAC
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SQL > EXECUTE DBMS_LOGSTDBY. BUILD
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Thanks and greetings
Yvon DasYvon says:
Mr President, thank you very much for your answer...Actually in my case I want to be a logical and physical database to aid in total. What I'm trying to tell you, it's that.
We have already two CARS physical distance DR nodes and a physical local autonomous local DR, a * nd we want to convert the local logical physical DR DR *, * this means I want to keep my DR RAC as physical standby*.so, when we will realize the package on the primary database
exec dbms_logstdby.build;
It will cause no problem for my CAR remote physical DR.
Only local DR must be converted into logic.
Thanks and greetings
Yvon DasPublished by: Yvon March 4, 2013 12:17 AM
I understand your question completely, you can convert logical physical standby standby either locally or remotely. By running the package it will not impact any performance on the primary production database. By running the package SQL apply will be activated.
There will be no problem with it. Again, you can have physics or logic of Eve in the same configuration of data protection. -
How to open a physical standby database "Manual" in read/write mode
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stop immediately;
start-up;
The database opens with an error message, but it is always in read-only mode...
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CarpetTry: -.
ALTER database activate standby database;
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Problem with data hold creating a Physical Standby Database turorial
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http://www.Oracle.com/technology/OBE/11gr1_db/HA/DataGuard/physstby/physstdby.htm
I tried to install it on two servers. One for a primary database (deuxieme for the physical standby.
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SQL * more: version 11.1.0.7.0 - Production Thursday, May 21, 16:28:10 2009
Copyright (c) 1982, 2008, Oracle. All rights reserved.
ERROR:
ORA-12560: TNS:protocol adapter error
I ' v checked listener, and it is managed. There is no database service because there is still no database.
The question is did some data installed a guard configuration using this tutorial? Are there errors in there? What should I do to complete the installation?On Windhose for any service must have been created using the oradim command.
Oracle tutorials are usually centered on Unix, because Windhose is an odd man out, so they do not discuss.
"Please do the needful" and create the service before the beginning of the instance in nomount modeTip: oradim is documented and has a help = clause of y.
IIRC there is an option in control database (in the part of the interview) that automates everything.
----------------
Sybrand Bakker
Senior Oracle DBAExperts: those who read documentation
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EBS R12.2.4 physical Standby
Hi all
EBS R12.2.4
11 GR 2
Rhel6.5
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Jenna_C wrote:
Hi all
EBS R12.2.4
11 GR 2
Rhel6.5
We want to create both physical standby databases cascading. The first will be used for the statement and the 2nd waterfall is Dr.
Can you help me find documents on how configure/install this kind of scenario?
Thank you very much
JC
Please see:
Using Active Data Guard of generation of Oracle E-Business Suite 12.2 version reports and databases Oracle 11 g (Doc ID 1944539.1)
Business Continuity for Oracle E-Business Suite Release 12.2 using Oracle Database 11g (GR 11, 2) physical standby (Doc ID 1491855.1)
https://blogs.Oracle.com/stevenChan/entry/data_guard_11_2_0
https://blogs.Oracle.com/stevenChan/entry/oracle_active_data_guard_11
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11 GR 2
Rhel6.5
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CASES1:
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CASE2:
Right now my database pending is on a mode "real apply", so updates to the primary level is done directly on the eve as well, even if the archive logs have not yet carried.
Assuming that I will delete archive records at the primary level, such that it cannot carry, will be the sleep EEG 'gaps' in its Archives logs status?
Your comments are appreciated hightly.
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Read in the mseberg response:
A way to remove applied log file stored in the backup database
How to ensure that RMAN is NOT delete archived logs that have not yet shipped to standby [394261.1 ID]
Kind regards
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Redolog files to physical standby standby in 11g
Hi all
Configure a physical in 11 g standby database on Linux.
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Is - mandatory to set up physical standby?
If I create SRL , what would be the advantage for the installation of DR?
If I ignore it, what would be the downside for the installation of DR?
Hello;
Laughing out loud
But it is a good idea.
If your database pending is in maximum protection or maximum availability mode you need.
If you use Real Time apply on Standby Database you need.
If you use cascading Destinations you need.
If you create both primary and Standby you pass quickly without additional measures or issue.
Redo Eve can also buffer it again entering.
Best regards
mseberg
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My wired connection TV does not work.
I have a Sony Bravia 46 EX720. I tried today to get on netflix, but it says my wired connection failure. I use a router that works properly. When I went to connect to another device, it works fine. However, my TV is not able to use the connection.
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Any suggestions for what? Does not accept my original product key.
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The mouse freezes randomly at the start of Vista PC
Once a week, when I start my PC from a cold start or when I do a reboot for some reason, I find that the mouse pointer freezes in the middle of the screen. There is no pattern as to when this happens. Sometimes this will happen twice a day. Someti
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Hi guys I have dell inspiron 3521, its all works fine, but 3 days before can be 4 days my laptop detects more WEIRD. I did everything as indicated in the link following, but noting happens. I've also attached a screenshot when running the diagnostics
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Windows XP Setup when Windows Vista is already installed
I already installed on my computer Vista Service Pack 2. It sucks. I bought Windows XP. How can I get rid of Vista and install Windows XP on the spot. ?