Oracle 10.2.0.3 gR2 logical standby datagaurd

Linux x86-64
oracle :10.2.0.3
Oracle 10gR2, logical standby on linux from production to logical standby needed.
I have an exposure to 9i. I have done 3 physical stand by. What are the precautions to be taken.
where can i find step wise implemtation doc?

Oracle Documentation has all the limitations explained and it does give you step by step approach.
http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/create_ls.htm#g105412

Similar Messages

Oracle 10gR2 Data guard physical or logical standby server?

Hi
We are planing to implement an Oracle 10gR2 data guard standby server for DR purposes, I found out that there are two type of standby server which is logical and physical standby server. I want to know which one is preferable? in term of complexity of setup and maintenance?
regards

Well it depends on what you mean by maintenance. I found the physical standby to be very little trouble at all ; however the logical standby has restrictions on it that the physical standby does not. In essence the physical standby merely digest archive logs; where as the logical standby uses logminer like functionality to process sql statements much like Oracle streams.
Hope that helps,
-JR jr.

Logical Standby working issues Oracle 9i, Windows

Hi,
Set up Oracle 9i Logical Standby on Windows. (instructions as per Oracle Documentation)
Did not have any issues setting up.
While setting up the Logical Standby, Recovered the Primary Database until Oct 10/09 8:16 pm
Registered the archive log in the logical standby generated hence and the FAL took care of copying/registering the rest of the archivelogs.
Created and inserted some records in Primary database and could see them in Standby.
So far so good.
On Oct11 data was entered into Primary database. Archivelogs were shipped to Standby, I could see them registered in DBA_LOGSTDBY_LOG.
The APPLIED_SCN,NEWEST_SCN were in sync as per DBA_LOGSTDBY_PROGRESS.
Today, we had some issues with data and when we queried the user tables: (no skip settings)
Couldn't see any data in standby past the recovery...
No errors reported in DBA_LOGSTDBY_EVENTS. No errors in Alert log also.
What could be happening?
Thanks,
Madhuri

I figured it out...
Today, we had some issues with data and when we queried the user tables: (no skip settings)
Couldn't see any data in standby past the recovery...I was using two tables as random spot check and both did not get updated. So, I was under the impression SQL APPLY did not do anything.
But, it did apply the redo on the rest of the tables.
These 2 tables in question were skipped because both of them had Function Based indexes.
They are very huge individual tables .
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That solved the problem.
--Madhuri

Create an Object in Logical standby database in Oracle 10G

Hi,
I have logical standby database in oracle 10g R2 for reporting purpose.Now i want to create procedure in logical standby which is use to create new temp table in logical standby and contained data generated from select operation on existing table.
Can i create a new user in logical standby database,add new tablespace in logical standby which can insert,update and delete data in standby database base table?
kindly provide me the steps to implement all this.What will be effect if i set guard_Status in v$database is NONE in logical standby?
Thanks,
Shital Patel

Hi Shital,
Guard_status protects the data from being changed.
ALL- By default it is not possible for a non-privileged user to modify data on a data guard SQL apply database. This is because the database guard is automatically set to ALL.
With this level of security, only SYS user can modify the data.
STANDBY- When you set this level of security, users are able to modify data that is not maintained by the Logical apply engine.
NONE permits any users to access the standby database as long as they have correct privileges. This is the normal security for all data in the database.
You can change the guard status value from ALL to NONE in order to allow non-privileged users to modify data and Yes you can create user and extra tablespace in logical standby database..this is what the one of advantage of using Logical standby database.
SQL> ALTER DATABASE GUARD NONE;
Thanks

How to create logical standby database without using Oracle Grid Control

Hi All,
I want to create Logical standby database on 11gr2 on RHEL 5 without using oracle Grid Control.
I already have a primary database as well as physical standby database.
What i want to create a logical standby database as well on the same machine where physical standby database is running.
So anyone of you help me out to do that
Thanks in advance

Hi,
Creating a Logical Standby Database
http://download.oracle.com/docs/cd/B19306_01/server.102/b14239/create_ls.htm#SBYDB00300
Regards,
Tom

Apply Patches on Oracle Database with Logical Standby Database

Here I am:
I got a primary database with a logical standby database running Oracle 11g. I got two client applications, one is the production site pointing to the primary one, another one is just a backup site pointing to the logical one.Things will only be written into the primary database every mid night and client applications can only query the database but not add, update nor delete.And now, I want to apply the latest patch on both of my databases. I am also the DNS administrator, I can make the name server pointing to the backup site instead of the production one.I want to firstly apply the patch on the logical one, and then the physical one.
I found some reference which explains how to apply patches by adopting "Rolling Upgrade Method". however, I want to avoid doing any "switch over" mentioned in the reference because I can make use of name server. Can I just apply patches as the following way?
1)Stop SQL apply
2)Apply patches on logical standby database
3)let the name server point to the backup site
4)Apply patches on the primary database
5)Start SQL apply
6)Let the name server point back to the production site
Thanks in advance.

Pl follow the steps in MOS Doc 437276.1 ( Upgrading Oracle Database with a Logical Standby Database In Place )
HTH
Srini

Oracle EBS R12 - 11.2.0.2 - Logical Standby Database & RMAN backups

Hi all,
I have Oracle EBusiness Suite R12 running on 11.2.0.2. Our organization used to have most of the business in North America, South America and Europe; but now we are also in Australia, China and Indonesia. Previously running large reporting batch jobs and RMAN backups at night time in USA was feasible but now that is beginning to show up as performance issue for some countries.
I was thinking would it make sense to have a Active Data Guard logical standby database on a separate server in the same US based data center where we have our main servers and use that logical standy database for reporting and RMAN backups. I am especially concerned about RMAN backups. Would I be able to make RMAN backups from the logical standy database and somehow use those to recover our primary database if some issue happens?
Any thoughts/suggestions?
Thanks all,

Active Data Guard only deals with physical standbys. If you are using a logical standby you can always open the database without using Active Data Guard option.
http://docs.oracle.com/cd/E11882_01/server.112/e25608/rman.htm#sthref846 says that:
>
Backups of logical standby databases are not usable at the primary database.

Oracle 11g Logical Standby not Replicating Security?

Hello,
I found that our Oracle 11g logical standby database stopped replicating security commands anymore since it was created as a Oracle 11g database. The security commands are related to users, roles and profiles such as create/alter/drop user, etc. The 11g logical standby database has no problem replicating other commands. Is this normal change with Oracle 11g logical standby? I know Oracle 10g logical standby can replicate those commands. The Oracle 11g logical standby was created the same way as Oracle 10g logical standby. We don't skip security commands on purpose. Anyone who got Oracle 11g logical standby has the same issue? We would like logical standby database to be able to replicate security. If it is normal for Oracle 11g logical standby to stop replicating security, is there a way to make Oracle 11g logical standby still replicates security?
Thanks!

had you started apply using this syntax
real time apply
alter database start logical standby apply immediate;
check lag:
alter session set nls_date_format='dd/mm hh24:mi';
select newest_time || chr(22)|| newest_scn||chr(10)||applied_time||chr(22)||applied_scn||chr(13)||chr(16)||(newest_scn-applied_scn) lag from dba_logstdby_progress
/

Oracle 10g Logical Standby

The question is on Oracle 10g Logical Standby Data Guard. Below is the short description of what we wanted to do.
We currently run our Remedy application on Oracle10g. We wanted to setup Data Guard (logical standby) so we can perform our application upgrade on the logical standby. While we upgrade our application, our customers perform the dml on the primary instance.
During the upgrade, we will change the ddl on our application in the logical standby instance. After the application upgrade, we do a role switch between the two instances (primary became a new logical standby and logical standby became new primary). Now, we wanted the data or the dml that our customers perform on the old primary replicate over to the new primary.
It is possible for the logical standby to perform the ddl at the same time user perform the ddl and dml on the primary instance?
After role switch between the two instances, is the data changed on the primary replicate over to the new primary?
Thank you for your helps.
Loc Nguyen
[email protected]

Hi Shital,
Guard_status protects the data from being changed.
ALL- By default it is not possible for a non-privileged user to modify data on a data guard SQL apply database. This is because the database guard is automatically set to ALL.
With this level of security, only SYS user can modify the data.
STANDBY- When you set this level of security, users are able to modify data that is not maintained by the Logical apply engine.
NONE permits any users to access the standby database as long as they have correct privileges. This is the normal security for all data in the database.
You can change the guard status value from ALL to NONE in order to allow non-privileged users to modify data and Yes you can create user and extra tablespace in logical standby database..this is what the one of advantage of using Logical standby database.
SQL> ALTER DATABASE GUARD NONE;
Thanks

Why could not Oracle replicates tables which includes Spatial Data to Logical Standby?

Hi all,
Nowadays, i am working on Oracle Logical Standby Databases which includes Spatial Data? But i could not achieve to transport a table with multimedia data (with spatial data types ). But Logical Standby Databases can not support this type of tables? Is this a restriction of modelling Spatial and Geometry in data blocks? And how do i achieve this because i should use this secondary for query-only?
Kind Regards,

Some data types are simply not supported by logical standby replication. Depending on the version, this might or might not include Spatial.
11.2: https://docs.oracle.com/cd/E11882_01/server.112/e41134/data_support.htm#SBYDB4936
12.1: https://docs.oracle.com/database/121/SBYDB/data_support.htm#SBYDB4936
If you need to replicate Spatial data, you need to look at other mechanisms. E.g., physical standby, materialized views, or GoldenGate.

Oracle DataGuard Logical Standby

Hi , I'd like to know what are the premisses to make a standby logical replication.
I have two environments (production and standby) with different number of processors and storage.
I'd like to know if it's possible to create data guard solution with these two environments and what are the premisses that I need aware to install the solution.
Thanks in advance.

Hello;
Yes the storage ( as long as you have enough space ) and cpu don't matter.
You can use hardware that's quite a bit different and it will work fine.
You can also create a Logical Standby fro a physical standby.
These notes may help :
NOTE 413484.1 - Data Guard Support for Heterogeneous Primary and Physical Standbys in Same Data Guard Configuration
Mixed Oracle Version support with Data Guard Redo Transport Services [ID 785347.1]
Logical Standby's don't seem to be very popular and the support base suffers because of this. I would consider a physical standby with Active Data Guard if costs allow.
Active Data Guard makes an excellent "Reader" database plus I believe your switchover and failover options are much better than a Logical Standby.
Oracle DataGuard Logical Standby Setup :
http://orajourn.blogspot.com/2007/02/setting-up-logical-standby-database.html
http://garyzhu.net/notes/DataGuard.html
Best Regards
mseberg
Edited by: mseberg on Apr 25, 2012 10:07 AM

Oracle Logical Standby as data source

Post Author: garyreit
CA Forum: Data Connectivity and SQL
Has anyone succesfully used an Oracle Logical Standby server as a
data source? When I try I get "table not found" for all the
tables in Crystal reports, but the report runs fine. When I run
the same report in BOE, The report fails with the error:Error in File D:\Program Files\Business Objects\BusinessObjects
Enterprise
11.5\Data\procSched\biapp1.reportjobserver\~tmp1c4c50845f07b62.rpt:
Error in formula <Record Selection>.
'{PS_CANC_TERM_CLASS.BATCH_ID} = {?Batch ID} and
This field name is not known.
Details: errorKind We are using BOE XI R2 sp2 and Oracle 10g with an ODBC using the Oracle connector.
Any Ideas?Thanks

Post Author: udasgupta
CA Forum: Data Connectivity and SQL
I am getting a similar problem. Did you get a solution? If so, could you please let me know.
Thanks in advance,
Uma

Best practice on using Flashback and Logical Standby

Hello,
I'm testing a fail-back scenario where I first need to activate a logical standby, then do some dummy transactions before I flashback this db and resme the redo apply. Here is what the steps look like:
1)     Ensure logical standby is in-sync with primary
2)     Enable flashback on standby
3)     Create a flashback guaranteed restore point
4)     Defer log shipping from primary
5)     Activate the logical standby so it’s fully open to read-write
6)     Dummy activities against the standby (which is now fully open)
7)     Flashback the database to the guaranteed checkpoint
8)     Resume log shipping on primary
9)     Resume redo apply on secondary
In the end, i can see the log shipping is happening but the logical standby does not apply any of these..and there is no error in the alert log on Standby side. But the following query could explains why the standby is idle:
SELECT TYPE, HIGH_SCN, STATUS FROM V$LOGSTDBY;
TYPE HIGH_SCN STATUS
COORDINATOR ORA-16240: Waiting for log file (thread# 2, sequence# 0)
ORA-16240: Waiting for log file (thread# string, sequence# string)
Cause: Process is idle waiting for additional log file to be available.
Action: No action necessary. This informational statement is provided to record the event for diagnostic purposes.
I dont understand why it's looking for sequence #0 after the flashback.
Thanks for the help.

Hello;
I hesitate to answer your question because you are not doing a good job of keeping the forum clean :
Total Questions: 13 (13 unresolved)
Please consider closing some of you old answered questions and rewarding those who helped you.
No action necessary.
Do you really have a thread 2? ( Redo thread number )
Quick check
select applied_scn,latest_scn from v$logstdby_progress;Use the DBA_LOGSTDBY_LOG View if you don't have a thread 2 then the sequence# is meaningless.
COLUMN DICT_BEGIN FORMAT A10;
SELECT FILE_NAME, SEQUENCE#, FIRST_CHANGE#, NEXT_CHANGE#,
TIMESTAMP, DICT_BEGIN, DICT_END, THREAD# AS THR# FROM DBA_LOGSTDBY_LOG
ORDER BY SEQUENCE#;Logical Standby questions are difficult, not a lot of them out there I'm thinking.
Check
http://docs.oracle.com/cd/E14072_01/server.112/e10700/manage_ls.htm
"Waiting On Gap State" ( However I still believe you don't have a 2nd thread# )
OR
http://psilt.wordpress.com/2009/04/29/simple-logical-standby/
Best Regards
mseberg
Edited by: mseberg on Apr 26, 2012 5:13 PM

Logical standby in noarchive mode

Hello,
does anybody know if it is possible to run a logical standby (10gR2) in noarchivelog mode?
For my understanding it should be possible, why not... But I can't find a piece of documentation which prove this.
Thanks in advance,
Boris...

I also was curious if setting up a Logical Standby in noarchivelog mode was possible. It looks like it is...
We use this simply as a reporting copy of our data. Our analysts do not change any of this data. They just need it to be fairly current (~3 days). At this point, there isn't any need to generate archivelogs so we want to disable the feature to minimize our maintenance and our storage requirements.
STANDBY DB:
SQL> select log_mode, open_mode from v$database;
LOG_MODE     OPEN_MODE
ARCHIVELOG   READ WRITE
SQL> ALTER DATABASE STOP LOGICAL STANDBY APPLY;
Database altered.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Database mounted.
SQL> alter database noarchivelog;
Database altered.
SQL> alter database open;
Database altered.
SQL> ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE;
Database altered.Then I created an object on the production server:
SQL> create table testuser.noarchivelog_testing as select * from dba_objects;
Table created.
SQL> alter system switch logfile;
System altered.
Mon Jun 22 11:13:26 2009
Beginning log switch checkpoint up to RBA [0xe6.2.10], SCN: 1031235046
Mon Jun 22 11:13:26 2009Now I see it on the standby:
Mon Jun 22 11:13:43 2009
RFS LogMiner: RFS id [25920] assigned as thread [1] PING handler
RFS[1]: Archived Log: '/oracle/LH1/oraarch/LH1arch_1_229_680639127.arc'
Mon Jun 22 11:13:46 2009
RFS LogMiner: Registered logfile [/oracle/LH1/oraarch/LH1arch_1_229_680639127.arc] to LogMiner session id [1]
Mon Jun 22 11:13:48 2009
LOGSTDBY status: ORA-16204: DDL successfully applied
Mon Jun 22 11:13:51 2009
LOGMINER: End mining logfile: /oracle/LH1/oraarch/LH1arch_1_229_680639127.arc
SQL> select count(*) from testuser.noarchivelog_testing;
COUNT(*)
     24444

Logical standby stuck at initializing SQL apply only coordinator process up

Hi
OS: solaris 5.10
Hardware: sun sparc
Oracle database: 11.2.0.1.0
Primary database name: asadmin
Standby database name: test
I had been trying to convert a physical standby to logical standby database. Both the primary and standby reside on the same machine.
The physical standby was created with a hot backup of primary.
I had been following document id 278371.1 to convert the physical to logical standby and used the following steps:
Relevant init parameters on primary:
*.db_name='asadmin'
*.db_unique_name='asadmin'
*.log_archive_config='dg_config=(asadmin,test)'
*.log_archive_dest_1='location=/u01/asadmin/archive valid_for=(all_logfiles,all_roles) db_unique_name=asadmin'
*.log_archive_dest_2='SERVICE=test async valid_for=(online_logfiles,primary_role) db_unique_name=test'
*.log_archive_dest_state_1='enable'
*.log_archive_dest_state_2='enable'
*.fal_client='asadmin'
*.fal_server='test'
*.remote_login_passwordfile='EXCLUSIVE'
Relevant init parameters on standby database:
*.db_name='test' -- Was asadmin before I renamed the DB during conversion to logical standby
*.db_unique_name='test'
*.log_archive_dest_1='location=/u01/test/archive valid_for=(all_logfiles,all_roles) db_unique_name=test'
*.log_archive_dest_2='service=asadmin async valid_for=(online_logfiles,primary_role) db_unique_name=asadmin'
*.log_archive_dest_state_1=enable
*.log_archive_dest_state_2=defer
*.remote_login_passwordfile='EXCLUSIVE'*.fal_server=test
*.fal_client=asadmin
Steps on primary:
1) alter system set log_archive_dest_state_2=defer;
2) shutdown immediate;
3) Made sure that the physical standby has applied all of the redo sent to it following the shutdown.
4) startup mount;
5) ALTER DATABASE BACKUP CONTROLFILE to '/home/oracle/control01.ctl';
6) ALTER SYSTEM ENABLE RESTRICTED SESSION;
7) ALTER DATABASE OPEN;
8) Verified that the supplemental logging is on.
9) ALTER SYSTEM ARCHIVE LOG CURRENT;
10) Checked for the checkpoint change no. at this point which is 72403818 and is present in archive log file 1_62_775102253.dbf
11) EXECUTE DBMS_LOGSTDBY.BUILD;
12) ALTER SYSTEM ARCHIVE LOG CURRENT;
13) Checked for the archive log containing dictionary build which is 1_64_775102253.dbf
14) ALTER SYSTEM DISABLE RESTRICTED SESSION;
Details of archive logs and related checkpoint change nos:
NAME FIRST_CHANGE# NEXT_CHANGE#
/u01/asadmin/archive/1_61_775102253.dbf 72402901 72403817
/u01/asadmin/archive/1_62_775102253.dbf 72403817 72404069
/u01/asadmin/archive/1_63_775102253.dbf 72404069 72404211
/u01/asadmin/archive/1_64_775102253.dbf 72404211 72405700
Steps on standby:
1) shutdown immediate;
2) Copy the archivelog file 61(was created at primary after apply stopped at standby), 62(contains checkpoint no. 72403818), 63 and 64(contains dictionary build). Copy the backup controlfile from step 5 above to the controlfile location in standby init.
3) startup mount;
4) Rename all datafiles and redo log files (including standby redo log files) to the correct path on standby.
5) alter database recover automatic from '/u01/test/archive' until change 72405700 using backup controlfile; -- This completed error-free
6) alter database guard all; -- this completed error free
7) alter database open resetlogs; -- this completed error free.
8) nid target=sys/oracle12 dbname=test
9) Changed the db_name in init file to new name test.
10) Added a tempfile to temp tablespaces.
11) ALTER DATABASE REGISTER LOGICAL LOGFILE '/u01/test/archive/1_61_775102253.dbf'; -- ORA-16225: Missing LogMiner session name for Streams
12) ALTER DATABASE START LOGICAL STANDBY APPLY INITIAL 72405700; -- This completed error free.
Also enabled the log_archive_dest_state_2 on primary.
After this output from some views:
SQL> SELECT SESSION_ID, STATE FROM V$LOGSTDBY_STATE;
SESSION_ID STATE
1 INITIALIZING
SQL> SELECT SID, SERIAL#, SPID, TYPE FROM V$LOGSTDBY_PROCESS;
SID SERIAL# SPID TYPE
587 22 15476 COORDINATOR
SELECT PERCENT_DONE, COMMAND
FROM V$LOGMNR_DICTIONARY_LOAD
WHERE SESSION_ID = (SELECT SESSION_ID FROM V$LOGSTDBY_STATE);
PERCENT_DONE
COMMAND
0
SQL> SELECT TYPE, HIGH_SCN, STATUS FROM V$LOGSTDBY;
TYPE HIGH_SCN STATUS
COORDINATOR ORA-16111: log mining and apply setting up
SQL> SELECT APPLIED_SCN, NEWEST_SCN FROM DBA_LOGSTDBY_PROGRESS;
APPLIED_SCN NEWEST_SCN
72405700 72411501
SELECT THREAD#, SEQUENCE#, FILE_NAME FROM DBA_LOGSTDBY_LOG L
WHERE NEXT_CHANGE# NOT IN
(SELECT FIRST_CHANGE# FROM DBA_LOGSTDBY_LOG WHERE L.THREAD# = THREAD#)
ORDER BY THREAD#,SEQUENCE#;
no rows selected
SQL> SELECT EVENT_TIME, STATUS, EVENT
FROM DBA_LOGSTDBY_EVENTS
ORDER BY EVENT_TIMESTAMP, COMMIT_SCN; 2 3
EVENT_TIME STATUS EVENT
14-FEB-12 02:00:50 ORA-16111: log mining and apply setting up
14-FEB-12 02:00:50 Apply LWM 72405699, HWM 72405699, SCN 72405699
14-FEB-12 02:20:11 ORA-16128: User initiated stop apply successfully
completed
14-FEB-12 02:20:39 ORA-16111: log mining and apply setting up
14-FEB-12 02:20:39 Apply LWM 72405699, HWM 72405699, SCN 72405699
14-FEB-12 02:54:15 ORA-16128: User initiated stop apply successfully
completed
14-FEB-12 02:57:38 ORA-16111: log mining and apply setting up
EVENT_TIME STATUS EVENT
14-FEB-12 02:57:38 Apply LWM 72405699, HWM 72405699, SCN 72405699
14-FEB-12 03:01:36 ORA-16128: User initiated stop apply successfully
completed
14-FEB-12 03:13:44 ORA-16111: log mining and apply setting up
14-FEB-12 03:13:44 Apply LWM 72405699, HWM 72405699, SCN 72405699
14-FEB-12 04:32:23 ORA-16128: User initiated stop apply successfully
completed
14-FEB-12 04:34:17 ORA-16111: log mining and apply setting up
14-FEB-12 04:34:17 Apply LWM 72405699, HWM 72405699, SCN 72405699
EVENT_TIME STATUS EVENT
14-FEB-12 04:36:16 ORA-16128: User initiated stop apply successfully
completed
14-FEB-12 04:36:21 ORA-16111: log mining and apply setting up
14-FEB-12 04:36:21 Apply LWM 72405699, HWM 72405699, SCN 72405699
14-FEB-12 05:15:22 ORA-16128: User initiated stop apply successfully
completed
14-FEB-12 05:15:29 ORA-16111: log mining and apply setting up
14-FEB-12 05:15:29 Apply LWM 72405699, HWM 72405699, SCN 72405699
I also greped for lsp and lcr processes and found that lsp is up but do not see any lcr.
The logs are getting transported to the archive destination on standby whenever they are archived on primary but are not getting applied to standby.
Also in case the standby is down while a log is generated on primary it is not automatically transported to standby once the standby is up, means gap resolution is also not working.
I see the following in alert log every time I try to restart the log apply, everything seems to be stuck at initialization.
ALTER DATABASE START LOGICAL STANDBY APPLY (test)
with optional part
IMMEDIATE
Attempt to start background Logical Standby process
Tue Feb 14 05:15:28 2012
LSP0 started with pid=28, OS id=23391
Completed: alter database start logical standby apply immediate
LOGMINER: Parameters summary for session# = 1
LOGMINER: Number of processes = 3, Transaction Chunk Size = 201
LOGMINER: Memory Size = 30M, Checkpoint interval = 150M
LOGMINER: SpillScn 0, ResetLogScn 0
-- NOTHING AFTER THIS

Hello;
I noticed some of your parameters seem to be wrong.
fal_client - This is Obsolete in 11.2
You have db_name='test' on the Standby, it should be 'asadmin'
fal_server=test is set like this on the standby, it should be 'asadmin'
I might consider changing VALID_FOR to this :
VALID_FOR=(ONLINE_LOGFILES,ALL_ROLES)Would review 4.2 Step-by-Step Instructions for Creating a Logical Standby Database of Oracle Document E10700-02
Document 278371.1 is showing its age in my humble opinion.
-----Wait on this until you fix your parameters----------------------
Try restarting the SQL Apply
ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATEI don't see the parameter MAX_SERVERS, try setting it to 8 times the number of cores.
Use these statements to trouble shoot :
SELECT NAME, VALUE, UNIT FROM V$DATAGUARD_STATS;
SELECT NAME, VALUE FROM V$LOGSTDBY_STATS WHERE NAME LIKE ;TRANSACTIONS%';
SELECT COUNT(1) AS IDLE_PREPARERS FROM V$LOGSTDBY_PROCESS WHERE
TYPE = 'PREPERER' AND STATUS_CODE = 16166;Best Regards
mseberg
Edited by: mseberg on Feb 14, 2012 7:37 AM

Oracle 10.2.0.3 gR2 logical standby datagaurd

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