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Tuesday, February 2, 2016

"ORA-10567: Redo is inconsistent with data block" on Physical Standby 11g

Today is a wonderful day. It's cool and sunny. We are in Spring. But I don't want to talk about the weather at this moment. I am sipping a cup of coffee and typing a note on my Oracle Database experience yesterday.
I have a Dataguard 11g using physical standby. After a long active time and some end of year batch jobs the size of UNDO tablespace so large. The result from checking show that the usage space is very little. So I decide resize the datafile of UNDO tablespace. The commands are success. And the file has a smaller size.
But on the Standby Database, the archivelogs are still recieved from 
Primary Database and cannot be applied. The alert log show the error:
Recovered data files to a consistent state at change 1443961551
Errors in file /oracle/app/diag/rdbms/proddr/PRODDR/trace/PRODDR_pr00_2930.trc:
ORA-00448: normal completion of background process
Errors in file /oracle/app/diag/rdbms/proddr/PRODDR/trace/PRODDR_mrp0_2918.trc:
ORA-00600: internal error code, arguments: [3020], [6], [11627], [25177451], [], [], [], [], [], [], [], []
ORA-10567: Redo is inconsistent with data block
(file# 6, block# 11627, file offset is 95248384 bytes)
ORA-10564: tablespace UNDOTBS1
ORA-01110: data file 6:
'/oradata/PRODDR/undotbs02.dbf'
ORA-10560: block type 'KTU UNDO BLOCK'
MRP0: Background Media Recovery process shutdown (PRODDR)

I have faced the lost of sync on Standby Database before. I have resolved by guide on http://arup.blogspot.com/2009/12/resolving-gaps-in-data-guard-apply.html. But yesterday's error is different. The following are steps that I performed to fix the error.

Check the SCN on Primary:
SQL> select current_scn, scn_to_timestamp(current_scn) from v$database;
CURRENT_SCN   SCN_TO_TIMESTAMP(CURRENT_SCN)
-----------   ---------------------------------------------------------------------------
 1447116920     02-FEB-16 10.43.58.000000000 AM

Check the SCN on Standby:
SQL> select current_scn from v$database;
CURRENT_SCN
-----------
 1446590956

SQL> select scn_to_timestamp(1446590956) from dual;
SCN_TO_TIMESTAMP(1446590956)
---------------------------------------------------------------------------
02-FEB-16 09.26.47.000000000 AM

Check archivelog on Standby: logs are transfered but cannot be applied
SQL> select dest_id, sequence#, applied, deleted, to_char(first_time,'dd/mm/yyyy hh24:mi:ss') first_time
  2  from (
  3    select dest_id, first_time, sequence#, applied, deleted from v$archived_log order by first_time desc, dest_id
  4  )
  5  where rownum<=5
  6  ;
   DEST_ID  SEQUENCE# S APPLIED   DEL FIRST_TIME
---------- ---------- - --------- --- -------------------
         1      19220 A NO        NO  02/02/2016 10:30:18
         1      19219 A NO        NO  02/02/2016 10:13:53
         1      19218 A NO        NO  02/02/2016 09:56:23
         1      19217 A NO        NO  02/02/2016 09:39:35
         1      19216 A NO        NO  02/02/2016 09:30:16

Check process on Standby: MRP-apply process not running
SQL> select process, status from v$managed_standby;
PROCESS   STATUS
--------- ------------
ARCH      CLOSING
ARCH      CLOSING
ARCH      CONNECTED
ARCH      CLOSING
RFS       IDLE
RFS       IDLE

On Primary: backup datafile 6 as shown in the alertlog & copy to Standby host:
rman> backup format '/BACKUP/undofile2%U' datafile 6
# scp /BACKUP/undofile2d8qsrpml_1_1 oracle@standby-host:/BACKUP/

On Standby: catalog the new backuppiece; shutdown, mount DB and restore datafile 6:
rman> catalog start with '/BACKUP/undofile2d8qsrpml_1_1'
alter database recover managed standby database cancel
shutdown immediate;
startup mount;
RMAN> restore datafile 6; Starting restore at 01-FEB-16
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=577 device type=DISK
allocated channel: ORA_DISK_2
channel ORA_DISK_2: SID=768 device type=DISK
allocated channel: ORA_DISK_3
channel ORA_DISK_3: SID=959 device type=DISK
channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_DISK_1: restoring datafile 00006 to /oradata/PRODDR/undotbs02.dbf
channel ORA_DISK_1: reading from backup piece /BACKUP/undofile2d8qsrpml_1_1
channel ORA_DISK_1: piece handle=/BACKUP/undofile2d8qsrpml_1_1 tag=TAG20160201T181341
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:00:36
Finished restore at 01-FEB-16

Starting apply process:
SQL> alter database recover managed standby database using current logfile disconnect from session

Now you can re-check the archivelog & MRP process on Standby as mentioned above.
Then taking a cup of coffe as the reward after a work hard.


Untimately, I want to say thank you to Bhavani and Arup Nanda. Yours' post help me to solve problems.

Wednesday, January 6, 2016

Configuration files for Oracle Business Intelligence system component

 

BI Component
Configuration File
File Location
Oracle BI Server
NQSConfig.INI

logconfig.xml
ORACLE_INSTANCE\config\OracleBIServerComponent\coreapplication_obisn
For example:
\instances\instance1\config\OracleBIServerComponent\coreapplication_obis1

Note: Although DBFeatures.ini is also located in this directory, do not edit this file directly. See Oracle Fusion Middleware Metadata Repository Builder's Guide for Oracle Business Intelligence Enterprise Edition for information about how to edit features for a database.
Oracle BI Presentation Services
instanceconfig.xml
ORACLE_INSTANCE\config\OracleBIPresentationServicesComponent\coreapplication_obipsn
For example:
\instances\instance1\config\OracleBIPresentationServicesComponent\coreapplication_obips1

Note: Do not add elements to the instanceconfig.xml file unless you are overriding the stated default values. Override only those settings that are necessary for configuring the system to meet the needs of your organization.
Cluster Controller
ClusterConfig.xml

ccslogging.xml
ORACLE_INSTANCE\config\OracleBIApplication\coreapplication
For example:
\instances\instance1\config\OracleBIApplication\coreapplication
Oracle BI Scheduler
instanceconfig.xml
ccslogging.xml
(for Cluster Controller)
ORACLE_INSTANCE\config\OracleBISchedulerComponent\coreapplication_obischn
For example:
\instances\instance1\config\OracleBISchedulerComponent\coreapplication_obisch1
JavaHost
config.xml
logging_config.xml
ORACLE_INSTANCE\config\OracleBIJavaHostComponent\coreapplication_obijhn
For example:
\instances\instance1\config\OracleBIJavaHostComponent\coreapplication_obijh1
Oracle BI Presentation Services Plug-in
bridgeconfig.properties
MW_HOME\user_projects\domains\domain_name\config\fmwconfig\biinstances\coreapplication
For example:
mw_home\user_projects\domains\bifoundation_domain\config\fmwconfig\biinstances\coreapplication

 

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