Logical Standby Database Not Getting Sync With Primary Database

Hi All,
I am using a Primary DB and Logical Standby DB configuration in Oracle 10g:-
Version Name:-
SQL> select * from v$version;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bi
PL/SQL Release 10.2.0.5.0 - Production
CORE 10.2.0.5.0 Production
TNS for Solaris: Version 10.2.0.5.0 - Production
NLSRTL Version 10.2.0.5.0 - Production
We have build the logical standby last week and till date the Logical DB is not sync. I have checked the init parameters and I wont see any problems with it. Also archive log destinations are also fine enough.
We have a important table named "HPD_HELPDESK" where record count is growing gradually whereas in logical standby it's not growing. There are some 19K record difference in the both the tables.
I have checked the alert log but it is also not giving any error message. Please find the last few lines of the alert log in logical Database:-
RFS LogMiner: Registered logfile [oradata_san1/oradata/remedy/arch/ars1_1703_790996778.arc] to LogMiner session id [1]
Tue Aug 28 14:56:52 GMT 2012
RFS[2853]: Successfully opened standby log 5: '/oracle_data/oradata/remedy/stbyredo01.log'
Tue Aug 28 14:56:58 GMT 2012
RFS LogMiner: Client enabled and ready for notification
Tue Aug 28 14:57:00 GMT 2012
RFS LogMiner: Registered logfile [oradata_san1/oradata/remedy/arch/ars1_1704_790996778.arc] to LogMiner session id [1]
Tue Aug 28 15:06:40 GMT 2012
RFS[2854]: Successfully opened standby log 5: '/oracle_data/oradata/remedy/stbyredo01.log'
Tue Aug 28 15:06:47 GMT 2012
RFS LogMiner: Client enabled and ready for notification
Tue Aug 28 15:06:49 GMT 2012
RFS LogMiner: Registered logfile [oradata_san1/oradata/remedy/arch/ars1_1705_790996778.arc] to LogMiner session id [1]
I am not able to trace the issue that why the records are not growing in logical DB. Please provide your inputs.
Regards,
Arijit

How do you know that there's such a gap between the tables?
If your standby db is a physical standby, then it is not open and you can't query your table without cancelling the recovery of the managed standby database.
What does it say if you execute this sql?
SELECT PROCESS, STATUS, THREAD#, SEQUENCE#, BLOCK#, BLOCKS FROM V$MANAGED_STANDBY;The ARCH processes should be connected and MRP waiting for a file.
If you query for the archive_gaps, do you get any hits?
select * from gv$archive_gapIf you're not working in a RAC environment you need to query v$archive_gap, instead!
Did you check whether the archives generated from the primary instance are transferred and present in the file system of your standby database?
I believe your standby is not in recovery_mode anymore or has an archive_gap, which is the reason why it doesn't catch up anymore.
Hope it helps a little,
Regards,
Sebastian
PS: I'm working on 11g, so unfortunately I'm not quite sure if the views are exist in 10gR2. It's worth a try though!
Edited by: skahlert on 31.08.2012 13:46

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    Why so many unanswered questions ?
    790072   
    Handle:  790072   
    Status Level:  Newbie 
    Registered:  Aug 23, 2010 
    Total Posts:  150 
    Total Questions:  72 (34 unresolved)  Please mark the questions as answered if you have got the appropriate answers and keep the forum clean.
    Edited by: srp on Jan 31, 2012 7:59 AM

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    Both messages look crystal clear to me.
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    Your posting history here is a bit appalling
    823436      
         Newbie
    Handle:      823436
    Status Level:      Newbie
    Registered:      Dec 24, 2010
    Total Posts:      28
    Total Questions:      9 (7 unresolved)
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  • RFS[2647]: Possible network disconnect with primary database

    Hi Guys,
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    937670 wrote:
    Hi Guys,
    I am working as a L1 DBA in my project. We have a 3node RAC database 11.2.0.1.0 and the standby database was in sink with production till yesterday. Suddenly we realized that out primary and standby is not in sink.. Logs are shipped from primary but it is not applying in standby. While checking the alertlog I can see these errors.
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    Mon Jul 23 11:55:42 2012
    RFS[2647]: Possible network disconnect with primary database
    I have performed a media recovery but still I am facing the above errors. I thought earlier that there might be some network issue but we can ping the service names from both the primary and standby.
    Can you please suggest me the steps that I can go through and fix this issue.
    Regards,
    ArijitLops may shipping of other node, can you check it is able to receive archives from all the nodes? May be you having issue from one node.
    also there would be network disconnect for some time, its usually happens, if not can you query below output from primary
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  • Business partner creation - Not in sync with customer numbers -

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    Please help me understand this and rectify this issue.
    thanks in advance.
    Krishna

    Hi Christobal,
    Thank you so much for you response. 
    As suggested, I have checked BP number range as external. Later when I ran MDS_LOAD_COCKPIT, I get the below messages
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    So is there any other setting which I might be missing?
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    Krishna

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