Oracle Dataguard
HelloI use the oracle 9.2.0.6 on Linux 2.6.9-89. version
In the alerlog I see as below.
Citing no expedited destination LOG_ARCHIVE_DEST_2
ARC3: LOG_ARCHIVE_DEST_2 unaccelerated Archive Destination
ARC3: Archives of noexpedite complete FAL
What is a means not expedited there?
recovery is going very well.
Thank you
Vijay
There is no error, there is a message.
You or the other
(a) control point more exciting (lower quick start mttr target, MORE redo log files from smaller sizes)
-each switch triggers a log_checkpoint_ settings)
(b) dbwr make it faster if it is slow (async io, io slaves, multiple dbwrs)
(c) add other log files to get through the Summit without having to write around the time of treatment
Source: http://asktom.oracle.com/pls/apex/f?p=100:11:0:NO:P11_QUESTION_ID:69012348056
Concerning
Girish Sharma
Tags: Database
Similar Questions
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Hi all
We use Oracle10g.
We have configured the Oracle Dataguard with two databases (a primary and standby).
We perform a failover, like this for example:
On the primary database:
On the basis of data on hold:ALTER DATABASE COMMIT TO SWITCHOVER TO PHYSICAL STANDBY WITH SESSION SHUTDOWN; SHUTDOWN IMMEDIATE; STARTUP MOUNT;
So, when I perform this failover, what happens with the main data bases and rescue incarnation?ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY WITH SESSION SHUTDOWN; ALTER DATABASE OPEN; ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE DISCONNECT FROM SESSION;
Incarnation is updated? No problem with that?
Another question: our idea is to create another database of physical standby on the other server.
perform a failover for this new physical expectation change your primary role and disable the former primary database.
no problem with this procedure? no problem with the first database pending created?
Thank you very much!!!OK, it's big enough.
If she was smaller, I would consider a move SCP cold of it on the new server.
In theory, you should be able to make a pass to the you standby current. With her in the lead role, create a new standby with RMAN duplicate on the new server after changing your listener and tnsnames. Then make another pass and switch the spfile.
I never did and I would like to test, test, test.
One of the concerns is the eve runs with a Standby controlfile and this could make this failure.
But that sense?
I could set up a few databases to test for something like that.
In the meantime a few permutations of practice is not a bad idea.
Otherwise, you could try a clone RMAN of your primary on the new server. It is perhaps the best way to go long term.
The two latest databases Oracle 10 that I moved were much smaller. I have set up the structure of files on the new server the same as the old server and the closing of the database and move all the files including the spfile and password file using SCP. After a quick listen and tnsnames on both sides, I restarted and Data Guard never missed a beat.
Also, I moved a database ensures Oracle 10 once and while I do not have a document that I rough notes:
Step 1 On the primary database alter system set log_archive_dest_state_2=defer; Step 2 On the current standby alter database recover managed standby database cancel; ( Then shut it down ) Step 3 Create database directories on the new server. ( The FRA, the admin udump etc. and system and data ) Step 4 Edit the tnsnames.ora file on the current primary Step 5 Add tnsnames.ora and listener.ora to the new server. Step 6 Move password and spfile files to the new server. Step 7 Tnsping both servers Step 8 Use scp to move the database to the new server. scp my.host.com:/u01/app/oracle/oradata/ORCL/sysaux01.dbf /u01/app/oracle/oradata/ORCL/ and so on... Step 9 Double check all files Step 10 Start the database and enable the standby destination and recovery
It was a gesture of the day before, but a primary movement in this way is very similar. My shop has a fast network and I was able to move a database of 100 GB in about 2 hours.
You could do a permutation, stop the old elementary school and move it using the SCP. Then when he did raise MOUNT and set log_archive_dest_state_2 = reporter on it. Start the collection and if it work all just switch back to it. This way your old server is ready like the back where everything turns to dust. But with your Eve launched, you have almost no downtime. I would test it a few more times on small test systems.
Best regards
mseberg
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How patch oracle dataguard database under windows
Hi friends,
I need to update a database of Oracle 11 g Dataguard on Windows 8 Pro x 64 with the latest Patch critical update available for this configuration. I read that there is a CPU 20833831 (July 2015).
What documents Oracle I pay to play? or what are the steps I need to follow? Or what is the best way to accomplish this task?
Details of PRIMARY database:
SQL > select * from v version $;
BANNER
--------------------------------------------------------------------------------
Oracle Database 11g Release 11.2.0.4.0 - Production personnel
PL/SQL Release 11.2.0.4.0 - Production
CORE Production 11.2.0.4.0
AMT for 32-bit Windows: Version 11.2.0.4.0 - Production
NLSRTL Version 11.2.0.4.0 - Production
SQL > SELECT * FROM history of registry of $;
ACTION_TIME ACTION NAMESPACE VERSION ID COMMENTS BUNDLE_SERIES
---------------------------- ------------------------- ------------ ---------- ---------- ----------------------------------- -----
08/07/14 21:59:26, 422000 APPLY SERVER 11.2.0.4 WinBundle 4 11.2.0.4.4 PSU
SQL >
C:\app\product\11.2.0\dbhome_1\OPatch > lsinventory opatch
Installer of temporal parchment of Oracle versi¾n 11.2.0.3.6
Copyright (c) 2013, Oracle Corporation. All rights reserved.
Oracle home: C:\app\product\112~1.0\dbhome_1
The central inventory: C:\Program Files (x 86) \Oracle\Inventory
from: n/a
OPatch version: 11.2.0.3.6
YES version: 11.2.0.4.0
Location of the log file: C:\app\product\112~1.0\dbhome_1\cfgtoollogs\opatch\opatch2015-09-06_19-54-29PM_1.log
Location of the output file Lsinventory: C:\app\product\112~1.0\dbhome_1\cfgtoollogs\opatch\lsinv\lsinventory2015-09-06_19-54-29PM
--------------------------------------------------------------------------------
Nivel superior instalados products (1):
Oracle Database 11g 11.2.0.4.0
Hay 1 productos instalados in este directory Rayz of Oracle.
Sears temporal (1):
Patch 18296644: applied on Thu Aug 07 18:48:26 COT 2014
Patch ID: 17560341
Patch description: "WINDOWS DB BUNDLE . 11.2 PATCH " . 0.4.4: (18296644)"
Created April 22, 2014, 02:01:38 hours
Bugs fixed:
16809786, 17716305, 16180763, 17545847, 17597748, 16992075, 17610798
18235390, 17446237, 16450169, 16731148, 17761775, 14602788, 17726838
17441661, 17050888, 17622427, 17546761, 13866822, 16315398, 17215306
17040764, 14010183, 16837842, 16228604, 17346671, 18084625, 16683112
14133975, 17721717, 17602269, 16777840, 17577218, 17071721, 16929165
18241194, 17080436, 17265217, 17036973, 16698971, 4189542, 14852021
16399083, 13609098, 17493764, 16785708, 17987366, 16187992, 17781991
17313525, 16833527, 16618694, 17741995, 11733603, 14285317, 17341326
16491477, 17357979, 17344412, 17088068, 17332800, 13498243, 16850630
17783588, 14580303, 16296213, 18223971, 17393683, 18069285, 16863422
16069901, 17443671, 17897511, 18296644, 17389192, 17394950, 10136473
17785632, 14458214, 18069723, 17397545, 17186905, 17325413, 13364795
16472716, 17468141, 13944971, 17883081, 16721594, 13853126, 18088509
17205719, 16849620, 17284817, 17239687, 17079301, 18180390, 16976121
17235750, 17951124, 17564992, 17754782, 17082359, 16314254, 17478145
18154779, 18160822, 16613964, 17174582, 16043574, 17865671, 16943711
18232462, 17612828, 17375354, 17393915, 17571306, 16825679, 18230522
17546973, 17209410, 16633319, 16956380, 13077335, 16470836, 18328509
12905058, 17921190, 17799716, 17614227, 18094246, 18018515, 18034871
17672719, 16912439, 17385178, 16394467, 16220077, 17016369, 18115594
17501491, 17027426, 17591148, 16875449, 17465741, 17752121, 17892268
17614134, 14829250, 17288409, 17296856, 16285691, 17390431, 14338435, 17323222
--------------------------------------------------------------------------------
OPatch succeeded.
Best regards
dbape.
What documents Oracle I pay to play? or what are the steps I need to follow? Or what is the best way to accomplish this task?
1 doc oracle suggest to talk about the 'Readme file' patch... remember this is a basic step that you do.
2. go to read me and follow the steps of which has suggested correction doc. Nobody does something special on the benches.
-KumarN pavan
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Passage of Oracle Dataguard and DNS
Hi, a few days ago, we planned a passage in a configuration of 10g dataguard (dataguard pasive) between the 2 servers.
primary: Europe.com APP
secondary: APP1 in Asia.com
The two databases was Oracle 10.2.0.3 in Redhat (single instance)
Everything is going well with databases and the digital switchover but what happened with the web-based applications?
I have a lot of web PHP applicattion provided with a string of connection with OIC and oracle customer, all have the connection as user/pass@dbname where dbname is defined in the local tnsnames.ora with DNS host names.
(All have xxx/xxx@APP), and was APP (host:europe.com and SID = APP)
Europe.com was ip 1.1.1.1
Asia.com has been ip 2.2.2.2
My primary instance was APP (name sid) and the standby APP1 (name sid) but what happened when I pass the dataguard?
Yes, because we have a lot of requests and we don t change the connection string, each of them tries to connect to the new basis of Eve physics APP which is in Europe.com. (and the main news is APP1 in Asia.com)
Well, first of all, I must change the SID in the database (same as the primary database) waiting for the connection string, for which I have: (thus development are don't want to change the string of connection...)
(1) immediate stop aid database
(2) remove the dataguard broker configuration,
(3) change the instance name in the spfile APP1 to APP.
(4) change the name of db in the spfile APP1 to APP.
(5) change the setting fal_client (INSTANCE_NAME = APP1) to (INSTANCE_NAME = APP)
(6) change the app APP1 orapwd file
(7) Exchange configuration bash_profile APP and re start the database pending.
(8) check the listener.ora, so that the new listening service is APP and no APP1
(8) with respect to the dataguard broker configuration config
OK, everything works very well and we have the main and the database pending with the same SID.
But what happened with the dns servers? because the web-based applications will try to connect to APP but APP has been defined as Europe.com and I want to redirect Asia.com as primary database.
Well, first of all, I changed all my settings and broker dataguard over IP and not dns configuration files, so I made a guide to procedure for the passage to the then when we said that, first we must transition to digital, data bases and then the surface NET must change the DNS for new Europe.com dns point to 2.2.2.2 ip
After that, everything works great!
So in conclusion, to forward a permutation with dataguard (which was an excellent feature) check the connection of the chain of applications and take care of them) and if necessary, use the same SID for the two (databases) and emergency
(In Oracle 12 c, we have a lot of thing to use as a continuation of the app for that)
Kind regards
Hernan
Hi Herman,.
Maybe I'm mistaken, please correct me if this is the case.
Assuming you are using oracle customer why not just use the construction in the mechanism for this purpose? DNS has nothing to do with it, but I see people using it yet for this - it is not only suitable for failovers, I do not have my TTL of 60 seconds or less to my recordings of A.
I had a project for banking HA where after permutation is launched the application (Tomcat) could in a minute to connect automatically to the database of watch on the Internet. First, you must use the database instead of SID service, so you can have the same service on the previous day. What more have a service, you can be sure that it will run the day before until it becomes primary, otherwise you can find yourself in a funny situation. Secondly, why not using built in failover of the connection string parameter, this way you can queue db (s) and in the case where your primary does not that the oracle client will simply try to connect to the waiting (to search for the same service). To ensure that the standby database does not have the service at any time, you can deploy trigger (AFTER startup) to check the role of database, if it is 'primary' it starts just the database service.
Kind regards
EVS
-
Between different versions of oracle DataGuard
I can dataguard year 11.1.0.6 database to a backup database 11.2.0.1For the purposes of upgrading Yes. But only a logical standby. And you can also use the logical standby transient rolling upgrade as well if you are a user of physical intelligence.
See the following topics:
Joint Oracle Version supports with Data Guard redo Transport Services (Doc ID 785347.1) on the Oracle Support
MAA Rolling Upgrade paper at http://www.oracle.com/technology/deploy/availability/maa/maa_wp_11g_upgrades_made_easy.pdf
Logic paper ensures Rolling Upgrade transitional MAA http://www.oracle.com/technology/deploy/availability/pdf/maa_wp_11g_transientlogicalrollingupgrade.pdfLarry
-
Physical backup of oracle dataguard.
Hello
What is the way to dough to make the backup of the node of Oracle 10 g (10.2.0.3) Physics of the standby database.
We have EBS r12 (12.0.6) and database (10.2.0.3). And already, we take the backup of the application (r12) and primary database nodes
with the help of way cold backup.
So, can I take the cold physical database backup ensures, by just judgment of recovery paused node, then stop the start node and then resumes cold?
Thanks.Hello
What is the way to dough to make the backup of the node of Oracle 10 g (10.2.0.3) Physics of the standby database.
We have EBS r12 (12.0.6) and database (10.2.0.3). And already, we take the backup of the application (r12) and primary database nodes
with the help of way cold backup.It is recommended to use RMAN for your production database backup (see books below).
So, can I take the cold physical database backup ensures, by just judgment of recovery paused node, then stop the start node and then resumes cold?
Yes, or use RMAN as suggested above.
Note: 848716.1 - use RMAN efficiently in an environment of Dataguard
Note: 602299.1 - benefits and the use of RMAN with data pendingBackup & recovery manuals
http://www.Oracle.com/technology/documentation/database10gr2.htmlKind regards
Hussein -
Oracle Dataguard Setup does not
Hello
Oracle database version: 11.2.0.2
IBM AIX: 6.1
We are trying to install Oracle 11 g R2 of the database, but we face a problem when running the RMAN command
RMAN > Connect auxiliary sys/***@testdrc
RMAN-00571: ===========================================================
RMAN-00569: = ERROR MESSAGE STACK FOLLOWS =.
RMAN-00571: ===========================================================
RMAN-04006: auxiliary database error: ORA-01031: insufficient privileges
We have enough to recreate password file several times from the primary database server. We also noted that the status of the listener on the standby database server is as follows:
LSNRCTL > status
Connection to (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST=X2testdborrax1.orcl.com) (PORT = 1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
For IBM/AIX RISC System/6000 TNSLSNR version: Version 11.2.0.2.0 - Production
Start date November 29, 2011 14:03:10
Uptime 0 days 2 h 42 min 6 sec
Draw level off
Security ON: OS Local Authentication
SNMP ON
Parameter Listener of the /u01/app/oracle/product/11.2.0.2.0/dbhome_1/network/admin/listener.ora file
The listener log file /U01/app/Oracle/diag/tnslsnr/X2TESTDBORRAX1/listener/alert/log.XML
Summary of endpoints listening...
+ (Description = (Address = (Protocol = TCP) (Host = X2TESTDBORRAX1. ORCL.com) (port = 1521))) +.
+ (Description = (Address = (Protocol = IPC) (Key = EXTPROC1521))) +.
Summary of services...
Service 'testdrc' has 1 instance (s).
+ Instance 'testdrc', LOCKEDstatus, has 1 operation for this service... +.
Service 'testdrc.orcl.com' has 1 instance (s).
+ "Testdrc", status UNKNOWN, has 1 operation for this service... +.
The command completed successfully
Since the primary database server alerts log
Logging of 1031 errors received on the eve
Mar 29 16:46:19 Nov 2011
Logging of 1031 errors received on the eve
Mar 29 16:47:19 Nov 2011
Logging of 1031 errors received on the eve
Tue Nov 29 16:48:20 2011
Logging of 1031 errors received on the eve
Please any possible tips and suggestions. Thank you in advance.
Thank youHello;
I had a lot of success with this document: (this is my recovery pending document since I RMAN of the primary side)
http://www.Visi.com/~mseberg/duprman2.html
The above is a very simple, step by step, which I'm sure will solve your problem.
Your connection
connect auxiliary sys/*****@testdrc
My connect
rman target sys/password@PRIMARY auxiliary /
I also have an example of a listening here:
http://www.Visi.com/~mseberg/Data_Guard_Listener_Example.html
Note the _DGMGRL I would add that if you have not already done so.
My lsnrctl status
Service "STANDBY" has 1 instance(s). Instance "STANDBY", status READY, has 1 handler(s) for this service... Service "STANDBY_DGMGRL.mydomain.com" has 1 instance(s). Instance "STANDBY", status UNKNOWN, has 1 handler(s) for this service...
Best regards
mseberg
-
Oracle Dataguard - newspapers apply question
Hello
Due to a problem our archives logs does not production, the day before. We had our intelligence in London. I don't see any error messages. do not know what is going on, I had open case with oracle support.
We must stop all our production and DR last Sunday. Once it is up he stopped log shipping. our production server is a node 3 CARS.
I just need how to apply logs archiving of standby production, which is based in London.
appricate your quick response.
Thank youTo restore a database on hold:
1 manually copy all log files miissing Archives from the primary to the standby server2.) cancel managed recovery on the standby database:
change databae recover managed standby database cancel;
3.) recover automatically:automatic recovery of the standy basis;
4.) switch managed standbyrecover managed standby database disconnect;
OR...
Manually set a gap:
=============================In some rare cases, it may be necessary manually fix the gaps. The following section describes how to query the appropriate views to determine whether there is a gap.
On your physical standby database:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~Query view ARCHIVE_GAP of V$:
SQL > SELECT * FROM V$ ARCHIVE_GAP;
THREAD # LOW_SEQUENCE # HIGH_SEQUENCE #.
----------- ------------- --------------
1 333 336The query results show that your physical database ensure is currently absent sequence logs 333 in sequence 336 for thread 1. After identifying the gap, issue the following SQL statement on the database primary to locate the archived redo logs on your primary database:
SQL > SELECT NAME FROM V$ ARCHIVED_LOG WHERE THREAD #= 1 AND DEST_ID = 1 AND
2 > SEQUENCE # BETWEEN 333 AND 336;NAME
--------------------------------------------------------------------------------
/U01/oradata/arch/arch_1_333.arc
/U01/oradata/arch/arch_1_334.arc
/U01/oradata/arch/arch_1_335.arcCopy the logs returned by the query for your physical database Eve and register by using the ALTER DATABASE REGISTER LOGFILE command.
SQL > ALTER DATABASE REGISTER LOGFILE
' / u01/oradata/stby/arch/arch_1_333.arc';
SQL > ALTER DATABASE REGISTER LOGFILE
' / u01/oradata/stby/arch/arch_1_334.arc';
SQL > ALTER DATABASE REGISTER LOGFILE
' / u01/oradata/stby/arch/arch_1_335.arc';Once the files newspapers were registered in the standby controlfile, you can restart the MRP process and the standby database 'catch up' the gaps in newspapers or you can manually restore the standby database.
-
peut any mode async explian one in Oracle dataguard
Hello
IM aware of the mode of synchronization but I am unaware of the asynchronous mode, it actually happens... When I read several articles but I coud't understand what happened really
for maximum performance is Aync mode
availability of Max and max protection in sync mode
right...
Yes... It's true!
-Jonathan Rolland
-
WebLogic and Oracle RAC + DataGuard
Hello
I'm testing Weblogic 9.2 with Oracle 10g RAC (2 knots) and Oracle DataGuard and trying to find the best possible data source configuration that would deal with load balancing between RAC nodes and failover/switchback between RAC nodes and data pending. The problem I see is that all Oracle instances must be open in order to successfully deploy the data sources on Weblogic. This means that, at the time of the creation/deployment and after every restart WebLogic, all Oracle instances must be upward and running and accept connections, because otherwise the data sources will not be instantiated and therefore not accessible to the consumer application.
Is it possible to smoothly deploy data sources without having to go through the hassle of ensuring all nodes RAC and DataGuard are open?
What I expected, it is that the data source would be instantiated but disabled if no connection is available. Having to redeploy the data source once the database is available again is a limitation regarding transparent high availability.
Thank you.Hi, Yes. Configure the pool to have an initial capacity of zero. Then it will be
deploy and not try to make connections. He'll only try when / if
He is asked at run time. While the DBMS is not passed, the
Data source throws an exception just until the DBMS is in place. -
Hello gurus
Fact Eve DataGuard between (Source site) 11.2.0.3.0 and (target site) 11.2.0.4.0 taken in charge?
My environment:
Site source OS: RHEL 5.6 Database: v11.2.0.3.0
Target site OS: RHEL 7.1 Database: v11.2.0.4.0
The database size is 100 GB
What about
Hitgon
As I mentioned, again the DG transport and apply the will to work in mixed versions. But it is not supported by Oracle for longer period. When I say not supported which means lets say if you hit any bugs in mixed environment associated with DG, then you can't get a support to connect to a new bug... etc... However, mixed versions are supported bby Oralce for 30 days. This is because any time the migration/upgrade that you can keep primary and standby in different versions.
For more details refer,
1.
search for lines,
The maximum length supported for different database software house between primary and Nightlight is 31 days.
Insurance of Patch Oracle - Data Guard standby-first Patch applied (Doc ID 1265700.1)
2. with regard to Cloud Control Support.
SUBJECT: Set up and manage Oracle DataGuard, using Oracle Enterprise Manager Cloud control 12 c
search for "the obligation for the Oracle software is stricter. The Oracle software must be the same version - including the release of the patches Oracle group. »
Set up and manage to Oracle Data Guard with Oracle Enterprise Manager Cloud control 12 c
-
Hi all
What are all the new features that is available for Oracle dataguard in 12 c that are not available in 11g?
Thank you
check out this webcast on the new feature of 12 c DG,
https://oracleaw.WebEx.com/oracleaw/LSR.php?RCID=7aeb9ef63630820dd7de814a08fe495e
-
Hi all need help on this...
Suppose I have a database 11g R2 installed on a server, and we did mirror database on ServerB.
Wanted to know if the database mirroring on server B have always all objects the server A. Say we use all SVC for mirroring.
Thank you
I'm not sure what you mean by "block mirror."
There are several ways to mirror or replicate the data. Oracle DataGuard is a way. Each storage provider has a different implementation of storage-based cloning. The OS vendors or those with volumes of multi-stockage managers might have their own way of mirror or replicate the data.
In general, a physical replica of the database contains all the objects that are in the database because the objects data (storage space, users, schemas, tables, stored packages etc.) are all "logic." However, if your mirror / replication implementation ensures that you have a uniform and (non-corrupt) database can be used really depends on how you understand and implement the method / tools you use.
Hemant K Collette
-
Hi all
11.2.0.1
AIX 6.1
My boss asked me to change each month the SYS and SYSTEM password database to the PRIMARY and STANDBY database.
Is my standby DG db archivelog updates affected by these changes to password?
Thank you very much
zxy
So it seems do not resolve the issue since you will always change password for security reasons, just a loop question
You must read this link to clear all REDO_TRANSPORT_USER. Mr. Mahir Quluzade | Blog of Oracle: Oracle DataGuard 11 g - Redo Transport user
-
Options for Oracle GoldenGate and Oracle Data Guard
Hello
Please give me suggestions on Oracle GoldenGate vs Oracle DataGuard? Based on the options, I choose for the implementation
Thanks in advance
Thank you
VincentHello
Oracle Dataguard:
1 primary and Standby Database must be the same. (But 11g, it supports Heteregenous Data Guard Configurations. Example: We can imeplement Oracle Data Guard between Oracle Linux 6.2 Server (x86_64) and Microsoft Windows 2008 Server R2 (x 64)
2 oracle Database version should be same in source and target
3. no additional license required for Oracle Data Guard to install.
Oracle GoldenGate:
1 operating system in the primary database and the Standby Database are not necessarily even.
2. major databases and standby are not necessarily even. (Including database software).
3 oracle GoldenGate Software license required in the Source code and database is target.
Hope it helps to...
Thank you
LaserSoft
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