Data Guard :: How To Disable REAL TIME QUERY In DG 11gr2
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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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 4, 2013
I need to implement data guard on 2 node rac set setup in 10g.
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Sep 13, 2013
we have a requirement for migrating data real time from source db to target db as well as to a queue.
achieve this using any custom technique?
we tried exploring Streams with CDC but Streams being depricated and CDC removed in Oracle 12 c, we are kind of stuck.
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Jun 8, 2011
We are planning to have new installation of 11GR2 and would like to create data guard for this system. I have one server in Houston and other in Austin TX. the OS will be Windows 2008 R2.
How can i set up data guard and what is the requirements?
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Dec 24, 2012
The below query is taking high CPU almost 98% and longer time to execute.
SELECT ancestor,
Max(D.alarmstate) ALARMSTATE,
Max(D.sialarmstate) SIALARMSTATE,
Max(D.uncralarmstate) UNCRALARMSTATE,
Max(M.commstate) COMMSTATE,
Max(M.nncommstate) NNCOMMSTATE,
Max(M.servicestate) SERVICESTATE,
Max(M.abnormal) ABNORMAL,
CASE
[code]....
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Sep 22, 2010
We have oracle 9i database named A with 2 schema A1 and A2.User enters data at A1 schema and the incremental data moved to A2 schema after some verfications performed by some scheduled job on A1 schema.
we want to move this incremental data to B1 schema of another oracle 9i database B at the real time when data gets entered to A2 schema of A oracle 9i database. We have access to A2 schema of A database and B1 schema of B database.way to do it or best practice to do this activity or if there is any third party tool or any available oracle utility to perform it?
Note: A2 schema of A database and B1 schema of B database has one to one mapping.We want to avoid using trigger on A2 schema, how data gets populated from A1 to A2 schema .
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Nov 9, 2012
I'd like to stop Recovery in specific time. For instance ; My db works Day-1 and Every day Recovery starts 20:00 and finish 05:00. If it is possible that when DB time reach to sync 03:00, I'd like to stop recovery.
DB version Oracle 10.2.0.5 .....
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May 29, 2013
Can we make Data Guard to take clone Primary Database at Specific Time?
e.g. Clone Primary Database at 10 AM and at 6 PM?
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Jun 3, 2013
I have a deadlock trace file to analyse and i used to be able to see the rowid as a 16 bit hex value in the trace file, which i could then query on to get the actual real world row name.I see in the 11GR2 deadlock trace the formatting is different and for the life of me i am unable to see the rowid. Has Oracle stopped reporting this now, or is their another way to get this value? The deadlock graph shows me
*** 2013-05-14 14:49:15.047
Submitting asynchronized dump request [28]
Global blockers dump end:-----------------------------------
Global Wait-For-Graph(WFG) at ddTS[0.16e] :
BLOCKED 0x4362890f8 5 wq 2 cvtops x1 TX 0x3d001b.0x18a3021 [FF000-0001-00000002] inst 1
BLOCKER 0x436288f38 5 wq 1 cvtops x28 TX 0x3d001b.0x18a3021 [102000-0001-00000002] inst 1
[code]....
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Sep 18, 2012
I am trying to apply 11.2.0.2.5 psu on a 2-node cluster running on RHEL 5.5 vms. Followed ORACLE-BASE examples when installed this laptop RAC. I am not using any ACFS and none of GI and DB homes are shared. But, on node 2, cluvfy THINKS database home is shared.
[oracle@rac1 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle/product/11.2.0.2/db_1 -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle/product/11.2.0.2/db_1" is not shared
Shared storage check failed on nodes "rac2,rac1"
Verification of shared storage accessibility was unsuccessful on all the specified nodes.
NODE_STATUS::rac2:VFAIL
NODE_STATUS::rac1:VFAIL
OVERALL_STATUS::VFAIL
[oracle@rac1 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle_grid/product/11.2.0.2 -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle_grid/product/11.2.0.2" is not shared
Shared storage check failed on nodes "rac2,rac1"
Verification of shared storage accessibility was unsuccessful on all the specified nodes.
NODE_STATUS::rac2:VFAIL
NODE_STATUS::rac1:VFAIL
OVERALL_STATUS::VFAIL
[oracle@rac1 trace]$ hostname
rac1
[oracle@rac1 trace]$ echo $ORACLE_HOSTNAME
rac1
[oracle@rac1 trace]$
##################################################################################
[oracle@rac2 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle/product/11.2.0.2/db_1 -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle/product/11.2.0.2/db_1" is shared
Shared storage check was successful on nodes "rac2,rac1"
Verification of shared storage accessibility was successful.
NODE_STATUS::rac2:SUCC
NODE_STATUS::rac1:SUCC
OVERALL_STATUS::SUCC
[oracle@rac2 trace]$ /oracle_grid/product/11.2.0.2/bin/cluvfy comp ssa -t software -s /oracle_grid/product/11.2.0.2/ -n rac1,rac2 -display_status
Verifying shared storage accessibility
Checking shared storage accessibility...
"/oracle_grid/product/11.2.0.2/" is not shared
Shared storage check failed on nodes "rac2,rac1"
Verification of shared storage accessibility was unsuccessful on all the specified nodes.
NODE_STATUS::rac2:VFAIL
NODE_STATUS::rac1:VFAIL
OVERALL_STATUS::VFAIL
[oracle@rac2 trace]$ hostname
rac2
[oracle@rac2 trace]$ echo $ORACLE_HOSTNAME
rac2
[oracle@rac2 trace]$
I can not determine any reasons and do not know how to fix.
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Jun 13, 2012
I've just patched a development oracle environment (RAC 11GR2) with temporary patch 8730312. I would like to do same thing on Production RAC. Is it necessary to test all applications on dev environment with this kind of patch before deploy it on Production ?
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Jan 22, 2012
We are planning to move BLOB images in our DB to BFILE to reduce the time and size of backup.
So when we have a physical dataguard setup, can we configure data guard to copy the OS level BFILE's to the DR site?
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Jan 2, 2013
I have recently setup a 2 node Rac on oracle linux 5.4 with oracel 11gR2, the installation went smoothly and all the cluster resources are up and running however the data is not syncing across the nodes, when I create a table it shows up on the other node but when I insert rows into the tables they don't show up on the other node and when I restart the cluster the inserted rows are completely gone even from the node where I inserted them.
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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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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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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 16, 2012
What is the need of Temp table in Oracle ? what is the advantage of Temp table over normal table ? Is temp table a log operation one. What is the scenario of using temp table in real time ?
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Dec 9, 2010
I want to know about ANSI JOIN in Oracle 9i and how to use this ANSI JOINS and where we have to implement this ANSI JOIN in real time.
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Jul 24, 2012
Regular Expression in oracle??Especially the use of this in real time scenario.
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Nov 15, 2012
Oracle 11.2.0.3.0
I have a primary database orcl and logical standby database orcl_std.
Real time apply is enabled. I have standby redologs in both primary and standby sides and I`ve started recovery with below command:
ALTER DATABASE START LOGICAL STANDBY APPLY IMMEDIATE;
When I create a new table in primary database, I am unable to see it on standby database (Although real time apply is enabled) However, when I switch log in primary, I can see the new table in standby database.
My question is, why realtime apply is not working in my scenerio ? I was expecting to see the new table immediately in standby database once it is created in primary database. Why am I supposed to wait for log switch in real time apply ?
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May 16, 2013
When we use this kind of code in PL/SQL block.
CREATE OR REPLACE TYPE sample_object IS OBJECT
(id NUMBER
,name VARCHAR2(30));
/
CREATE OR REPLACE TYPE sample_table IS TABLE OF sample_object;
I have read some docs ,but I didn't get any information where exactly we use this.provide one real time scenario with an example.How this is different from record.
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Sep 4, 2012
Can we change the condition of an item from always to none on the real time ? How ?
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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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Feb 4, 2011
I've got a query running a select count (*) over a table. The default plan takes in the order of 15 minutes to return, a hinted plan to use a different index takes 3 minutes to return.
Unfortunately I cant get at the index stats and a few other areas which I suspect may be key here.When running autotrace against the two queries I see fairly different values as one would expect.
Query
select count (*) from fulfilmentitem bfi where created >= sysdate-30 AND bfi.status = 'FA' AND bfi.fulfilmentmethod = 'D'
Slow run
PLAN_TABLE_OUTPUT
-----------------------------------------------------------------------------------------------
----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)|
----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 15 | 33119 (1)|
| 1 | SORT AGGREGATE | | 1 | 15 | |
|* 2 | TABLE ACCESS BY INDEX ROWID| FULFILMENTITEM | 12525 | 183K| 33119 (1)|
|* 3 | INDEX RANGE SCAN | IDX_FULFIL_METHODSTATUS | 250K| | 1786 (1)|
----------------------------------------------------------------------------------------------
[code]....
IDX_FULFIL_METHODSTATUS is across FULFILMENTMETHOD & STATUS in that order.
IDX_BFI_CREATED is on CREATED and is approx 70% of the size of the other index
The row counts estimated in the explain plan are out, the count(*) comes in at 32.8k rows.As you will have seen, the fast run shows a pretty significant consistent get increase compared to the slow run and a decent though not dramatic physical read drop.
My uncertainty is around if these changes in consistent get/phys read values would typically be enough to suggest the real time improvements I'm observing or if other (albeit perhaps temporary) factors are involved. It is a prod OLTP environment so the data will be rapidly changing and that may be a factor.
I know it can never be an exact science without intimately knowing the hardware/current loads etc but I also know that there's enough experience on these boards to have a loose handle on if the time shifts between queries are likely (or not) to be reflective of the stat changes or if those differences alone shouldn't (or typically wouldn't account) for it.
I'm thinking about instructing the query to ignore its original plan but am hesitant to do so without being a little more confident that it's not just a timing thing or something other than the change of index approach which may be causing the improvement. the autotrace stat changes observed I couldn't put my hand on heart say "yup - that change is good, ignore the default index all the time for this job".
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Dec 15, 2012
I am trying to restore 11gr2 database to point in time. using following steps:
Control files are fine, that are not restored.
RMAN> run
{
set until time "to_time('2012-12-13 12:12:00','YYYY-MM-DD HH24:MI:SS')";
}
RMAN> restore database;
RMAN> recover database;
RMAN> alter database open;
Here my problem is it is restore complete data what ever i was having, but i don't was it, i has to restore up to specified time only.
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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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Jun 16, 2013
I Have three field and first field for START TIME ,Second END TIME & Third DURATION AND Putting START TIME AND END TIME i am getting duration in minutes by using code
""SELECT TO_CHAR
(TRUNC (SYSDATE)
+ (TO_DATE (:T_DONATION_END_TIME, 'HH24MI') - TO_DATE (:T_DONATION_START_TIME, 'HH24MI')),
'HH24MI')
INTO :T_DONATION_DURATION
[code].......
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Feb 14, 2013
I want to delete data from say 100 tables without disable the constraints.
Tables having foreign key.. which is giving error if I select table randomly to delete.
I want to know the query which will give me the sequence of all tables based upon dependencies, so that If i delete the data on that sequence, it wont give me child record exists error.
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Mar 16, 2011
Is it Possible to Maintain real Time Backup using RMAN ?
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