Data Guard :: Specifying A Network Path In SQL Query
Apr 18, 2013
I have created 2 PCs (1 for Primary DB (IT_SERVER), 2 for Standby DB (IT_SERVER2) on Oracle VM Virtual Box in order to check my Data Guard configuration.
I have created a Shared Folder on 2nd PC (IT_SERVER2) for Oracle Standby DB. Now when I issue my query from 1st PC (Primary DB) to Create a Parameter file on 2nd PC Shared Oracle Folder, it returns following errors
SQL> CREATE PFILE='\IT_SERVER2E:ORACLEPFILESTLDB2.ORA' FROM SPFILE;
CREATE PFILE='\IT_SERVER2E:ORACLEPFILESTLDB2.ORA' FROM SPFILE
*
ERROR at line 1:
ORA-09210: sftopn: error opening file
OSD-04002: unable to open file
O/S-Error: (OS 67) The network name cannot be found.
Then I try this
SQL> CREATE PFILE=\IT_SERVER2'E:ORACLEPFILESTLDB2.ORA' FROM SPFILE;
CREATE PFILE=\IT_SERVER2'E:ORACLEPFILESTLDB2.ORA' FROM SPFILE
*
ERROR at line 1:
ORA-00911: invalid character
What to do?
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Mar 29, 2011
I am working in a bank as an system consultant, i have a SAN Storage Area and oracle as below.
SAN 1
This interface includes the DATA FILES of the oracle tablespace
SAN 2
SAN1 Mirrors the DATA FILES of the oracle tablespace to SAN 2
1. Can i rely on real time data recovery from SAN2 ?
2. if SAN1 (Data Files are currupted) will the SAN2 Data Files will be currupted as well.
3. If the SAN2 is currupted then what Oracle Features can be used to have uncurrupted data.
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Dec 13, 2011
I got a primary database which ships logs successfully to a standby database where it is applied successfully as well.
I can connect using the tns name defined for data guard (which are already used for log shipping) in sqlplus.
Yet, at the time of configuring data guard broker,the command add database 'standby' connect identifier is 'to_standby'; fails.
Looking into drc<instance>.log, I see the error ora-03113 network I/O.
I haven't seen any error like that online and I can't explain why it does that when logs can ship already with the same connection identifier.
I have edited dest_2 with and without parameters LGWR and SYNC and reconfigured the broker without success. I've removed the configuration files and tried again.
I've checked that the password file is the same on both servers as well.Nothing seems to work. Is there a parameter I'm missing somewhere.
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Aug 10, 2011
How to call a batch file existing in network path through oracle forms 6i. I am using following code in Forms 6i which is supposed to FTP some .text files to a UNIX box.
Host( '\guww.netdfs.root.Global Shared Data$(LEV)Leven Shared DataLeven Shared DataPublicCOMMONMatsEmpty Bottle ReportsSchedules Preliminaryftp_files_to_ddd.bat');
When I am running this batch file ftp_files_to_ddd.bat from local directory of my PC,it is working properly.
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Oct 25, 2011
I want to know that what will happen when I will resize database file from 32G to 5G on primary server or add file to tablespace. Will standby server do the same automatically or I have to to something with standby server?
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Dec 11, 2012
With 11gr2, by default, on STARTUP, the standby database is open
-> in READ ONLY mode
-> with Intended State: APPLY-ON
so the ACTIVE DATAGUARD option is in use ....
is there a way to deactivate REAL TIME QUERY permanently, so whether on STARTUP or STARTUP MOUNT, the standby stay only mounted with Intended State: APPLY-ON
The only way i found is to do the following :
SQL> startup
DGMGRL> edit database 'PHNXENT' set state='APPLY-OFF';
then
SQL> startup mount
DGMGRL> edit database 'PHNXENT' set state='APPLY-ON';
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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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Nov 11, 2011
I am working on a query as below:
CREATE TABLE FDL_SNOP_SCDHUB.TEST_CONN
(
NAME1 VARCHAR2(100 ),
VALUE1 VARCHAR2(4000 ),
ID1 VARCHAR2(200 ) NOT NULL
);
[code]....
I have tried with sys_connect_by_path and wm_concat
with mst as (
select id1,name1,value1 from test_conn c
where ((c.name1='WORKFLOW_TYPE' and NVL2(:p_workflow_type,decode(:p_workflow_type,' SELECT ALL',' SELECT ALL',c.value1),0)=NVL2(:p_workflow_type,:p_workflow_type,0))
or (c.name1='SOURCE_TYPE' and NVL2(:p_source_type,decode(:p_source_type,' SELECT ALL',' SELECT
[code]....
but unable to group it by Id, all comes under one column
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Jul 5, 2011
We have physical data guard configured version (10.2.0.4). We are in need to upgrade primary & standby database to 11G R2. Can we perform rolling upgrade.
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Oct 17, 2012
Controlling User Access to Tables in a Logical Standby Database can be controlled using the following command:
ALTER DATABASE GUARD STANDBY;
My simple question is: how can I know the current active Guard setting in the standby database?
Oracle 11g R2.
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Mar 1, 2011
I have implement multi master replication between two server.
How much amount of data transfer over the network? How to calculate this value?
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Nov 22, 2012
We want to replicate the data between the databases.We have 4 databases in a network.If there will be any change in database 1,e.g. updation in any table,it should automatically replicate on other 3 databases.or user will change something in database 2 ,it should replicate on other 3 databases and vice versa. All 4 databases have same schema and same configuration.
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Jun 4, 2010
We have an application that fetches and writes data into oracle database through pro c. oracle datyabase is on another server.
We are storing some secure information into oracle database so we want to encrypt the data sent by our aplication into oracle database.We do not want to use SSL(i.e certificates) and also do not want to make use of Advance Security Option available in oracle and also do not want to make any changes in sqlnet.ora file on server side.
achieve encryption of traffic between our application and Oracle database?
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Jul 13, 2010
I am trying to write data to a network shared folder. When I write to a local file it works perfectly. Below is my procedure.
CREATE OR REPLACE procedure nbpsbp_file as
type r_cursor is ref cursor;
refr r_cursor;
tab_name varchar2(20):= null;
tab_name1 varchar2(20) := null;
tab_name2 varchar2(20) := null;
[code]....
When I execute the above procedure, it gives me the following error
ORA-29283: invalid file operation
ORA-06512: at "SYS.UTL_FILE", line 475
ORA-29283: invalid file operation
ORA-06512: at "NBPSBP_FILE", line 36
ORA-06512: at line 1
I have also set the parameter utl_file_dir = '\10.16.10.225 emp' When I set the utl_file_sir to a local folder, for example, c: emp, and use the same path in UTL_FILE.FOPEN, then it works fine and writes the desired output to text file. But when I give it a network address, it raises the above error.
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Apr 5, 2013
I have countries, sites, states tables (total 3) in database (i have user id and password to connect to this database).
every week i need to extract data from these tables into excel files and i need to save those in shared drive for team use.
Currently i am connecting to database every time running sql query and manually exporting that latest data to excel and saving that as excel files in (G: eamcommon) folder with specific name.
output format should be :
excel (.xls)
file names should - countries.xls,sites.xls,states.xls
server name : ap21
output location : G: eamcommon ( G is shared drive).
i heard that we could create batch file to do this task and also we could use oracle procedure to do this task. but not sure which one is the best option.
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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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Nov 5, 2010
I want to change dbname,sid,data/control file locations in operational dataguard setup i plan to follow as below
1)shutdown primary and standby (stop managed recovery)
2)change db name in init.ora of primary and standby change database name control file location
3)create control file for primary from trace(script) make changes for db name and file locations
4)mount and open primary database
5)create standby control file
6) transfer standby control file to standby
7) mount stand by database and start manage recovery
If this steps will error free do i need to follow any thing additional to this or what is other best way for this or its not possible at all
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Feb 24, 2013
Oracle Version: 11.1.0.7.0
Active Dataguard
Statspack has been configured for Active Dataguard on Primary database.We got an spike of Buffer busy waits for about 5 min in Active Dataguard, this was causing worse Application SQL's response time during this 5 min window.Below is what i got from statspack report for one hour
Snapshot Snap Id Snap Time Sessions Curs/Sess Comment
~~~~~~~~ ---------- ------------------ -------- --------- -------------------
Begin Snap: 18611 21-Feb-13 22:00:02 236 2.2
End Snap: 18613 21-Feb-13 23:00:02 237 2.1
Elapsed: 60.00 (mins)
[code]...
Why there could sudden spike of demand on UNDO data in Active Data Guard ?
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Jul 23, 2010
i did everything writen but when i do *SQL>alter database recover managed standby database disconnect from session;*
i go and look in the standby database AlertLog file ,and thats whats writen
*ORA-01157: cannot identify/lock data file 1 - see DBWR trace file
ORA-01110: data file 1: 'F:ORACLEPRODUCT10.2.0ORADATADBSYSTEM01.DBF'
ORA-27041: unable to open file
OSD-04002: غير قادر على فتح الملف
O/S-Error: (OS 3) The system cannot find the path specified.
[code]....
strange thing that it realises the primary database in drive F and it goes to it but i dont understand what could be the reason of this ,although im doing this command while primary database is shutdown!
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May 2, 2012
I configure logical standby online .when I execute dbms_logstdby.buid,first
SQL> EXECUTE DBMS_LOGSTDBY.BUILD;
it was blcoked by other sesson,then i kill the holding session,but no work.then i cancel this step and execute it again . the error is
SQL> EXECUTE DBMS_LOGSTDBY.BUILD;
BEGIN DBMS_LOGSTDBY.BUILD; END;
*
ERROR at line 1:
ORA-01354: Supplemental log data must be added to run this command
ORA-06512: at "SYS.DBMS_LOGMNR_INTERNAL", line 3669
ORA-06512: at "SYS.DBMS_LOGMNR_INTERNAL", line 3755
ORA-06512: at "SYS.DBMS_LOGMNR_D", line 12
ORA-06512: at line 1
ORA-06512: at "SYS.DBMS_INTERNAL_LOGSTDBY", line 370
ORA-06512: at "SYS.DBMS_LOGSTDBY", line 157
[code]....
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Jun 15, 2012
I have set up a cross platform (Microsoft Windows IA (32-bit) -> Linux x86 64-bit) data guard and it worked fine.Then I did a switch over (which again worked) and found out the data is not getting replicated at all.. checked the data files available from the new primary database and found out they are in the windows format as below..
SQL> select name from v$datafile;
NAME
--------------------------------------------------------------------------------
D:ORACLEAPPADMINISTRATORORADATAMFSSYSTEM01.DBF
D:ORACLEAPPADMINISTRATORORADATAMFSSYSAUX01.DBF
D:ORACLEAPPADMINISTRATORORADATAMFSUNDOTBS01.DBF
D:ORACLEAPPADMINISTRATORORADATAMFSUSERS01.DBF
D:ORACLEAPPADMINISTRATORORADATAMFSRMANRMAN_TS01.DBF
and physically they were created at '/home/app/oracle/product/11.2.0/db_1/dbs/' and as
D:ORACLEAPPADMINISTRATORORADATAMFSREDO02.LOG
D:ORACLEAPPADMINISTRATORORADATAMFSREDO03.LOG
D:ORACLEAPPADMINISTRATORORADATAMFSRMANRMAN_TS01.DBF
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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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Oct 21, 2012
Our organization has recently decided to go for storage metro cluster solution for disaster recovery. In a Data guard environment, we normally calculate how much archive log is generating and based on that value we calculate the required bandwidth.
For storage metro cluster, we need to find how much block is changing in our primary database, and the same rate of change would apply on DR cluster. Now, i need to give the assumption how much changing is happening in my system. How to calculate the change.
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May 13, 2011
i'm using a mixture of Oracle� Data Guard Concepts and Administration11g Release 1 (11.1) And Bulletin : MAA - Creating a RAC Physical Standby for a RAC Primary 10g ( on oracle support) But neither is comprehensive for what i'm trying to do.
setting up Data Guard Broker on a RAC Data Guard environment?
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Jan 7, 2011
I am very new to data guard...I have a primary and a physical standby database...If the primary got crashed, are the users directly switched to physical standyby (is it automated) or the DBA has to manually do the fail over or switch over....is it the same concept as in RAC like TAF....How can the DBA know that the users are disconnected from the database.....explain with some steps...
the version is 10.2.0...
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Feb 16, 2012
Log shipping stopped logging/shipping into the Standby Database in one of our Oracle Data Guard Servers about two month ago and there was no change carried out as at that time. The Data Guard has only one Standby database. I have been managing the log shipping and recovery manually.
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Apr 5, 2010
I want to implement data guard on same PC.
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Sep 25, 2012
I did upgrade from 10.2.0.1 to 10.2.0.4 on the secondary database , the primary database version is 10.2.0.4,i took cold backup from the primary to the secondary database , when i try to create control file on the secondary , i am getting this ORA-01130: database file version 10.2.0.3.0 incompatiable with ORACLE version 10.2.0.1.0.*
Oracle Database 10g Release 10.2.0.4.0 - 64bit Production
PL/SQL Release 10.2.0.4.0 - Production
CORE 10.2.0.4.0 Production
TNS for 64-bit Windows: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
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Jan 5, 2011
I'm trying to prepare data guard operation on the virtual machines.
1. I have install Oracle database without start up database on the standby server.
2. I try to connect this db by sysdba, but failed!
Quote:
C:>sqlplus "/as sysdba"
SQL*Plus: Release 11.1.0.6.0 - Production on Wed Jan 5 20:03:33 2011
Copyright (c) 1982, 2007, Oracle. All rights reserved.
ERROR:
ORA-12560: TNS:protocol adapter error
Enter user-name:SQL*Plus: Release 11.1.0.6.0 - Production on Wed Jan 5 20:03:33 2011
Copyright (c) 1982, 2007, Oracle. All rights reserved.
ERROR:
ORA-12560: TNS:protocol adapter error
Enter user-name:
I'm using instruction below: [URL]
Why I can't login to database?
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Sep 22, 2010
I have to implement Physical standby using same SID. parameters required to set on Primary and standby. Also what entries are required to do in TNS file. Recently we have faced hardware failure.
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