Errors
in file
/u01/app/oracle/diag/rdbms/standby_db/standby_db/trace/standby_db_lgwr_393229.trc:
ORA-00313:
open failed for members of log group 12 of thread 2
ORA-00312:
online log 12 thread 2: '+FRA_DG/standby_db/redolog12_02.rdo'
ORA-17503:
ksfdopn:2 Failed to open file +FRA_DG/standby_db /redolog12_02.rdo |
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Sunday, October 29, 2017
ORA-00313 ORA-00312 ORA-17503 ORA-15173 in Standby Alert Log File
Monday, October 23, 2017
Creating a Real Application Cluster(RAC) 12c database using DBCA
After installing Oracle RAC, next step is to create a RAC database. Following is the process of creating a RAC database using dbca. Same method works on Windows or Unix based platforms.To invoke dbca, open a command line and run command “dbca”. On Windows, DBCA can also be invoked from Program Menu..
Tuesday, October 10, 2017
Oracle Flex Cluster
Oracle Real
Application Cluster is a feature that was first introduced in Oracle 9i (Oracle
Parallel Servers was a similar feature available before 9i, but not as robust
as RAC) and has been an essential part of Oracle’s Maximum Availability
Architecture. Since its advent in Oracle 9i, it has evolved a lot. Oracle 9i onward,
every new release of Oracle has introduced something new in RAC which made it
even more resilient, fault tolerant, and easy to manage architecture.