ACFS file system Mount and Dismount Operation
Before we shut down ASM instance it is important to dismount acfs file system , Once it is dismounted all open references to Oracle ASM files are removed . If ACFS file system is active and ASM...
View ArticlePlug Single Instance PDB to RAC CDB
In this article we will Plug Single Instance PDB to RAC CDB. Single Instance CDB Name Single Instance PDB Name RAC Instance CDB RAC Instance Name RAC Node globdb pdb1 CDB1 RAC1 Node1 RAC2 Node2 Step 1...
View ArticleORA-29702: ERROR OCCURRED IN CLUSTER GROUP SERVICE OPERATION
This is the post for the error “ORA-29702”. ORA-29702: ERROR OCCURRED IN CLUSTER GROUP SERVICE OPERATION Cause: An unexpected error occurred while performing a CGS operation. Action: Verify that the...
View ArticleORA-27300: OS system dependent operation
In this article, we are going to have a look at ” ORA-27300″. In this article, we are going to learn how to solve this error. Let’s have fun with ORA-27300 During the creation of a new database for RAC...
View Articlevipca error in Oracle RAC
Today we are going to learn about the error occurs in the Oracle RAC environment. Vipca is not opening new configuration window and is giving error[root@node2 bin]# ./vipca Error 0(Native:...
View ArticleCreating RAC database With PDBS
In this Article we will Create RAC Database with PDBS using DBCA. Step 1 : Once you use dbca , first screen that will open is as below select Create Database and click next: Step 2 : Select Advanced...
View ArticleServer Pools in Oracle RAC
Before Release of Oracle Clusterware 11g release 2, we define a specific instance belong to specific node.a DBA manages each instance of the database by defining specific instances to run on specific...
View ArticleEvaluation and Prediction in Oracle RAC 12c
In a DBA’s routine, we perform thousands of command every day. Sometimes it also happens we don’t know the post-impact of the command. Then, Oracle 12c Comes up with very powerful feature WHAT IF...
View ArticleRecovering OCR using physical backup
Step 1: Identify OCR physical backup using the following command[root@rac1 ~]# ocrconfig -showbackup rac2 2018/04/03 16:57:56 /u01/app/12.1.0/grid/cdata/rac-scan/backup00.ocr 0 rac1 2018/04/01 17:34:19...
View ArticleHow to disable and enable archive log in Oracle RAC
After the core DBA, continue our journey towards RAC environment. Today we are going to explore the steps use for “How to disable and enable archive log in oracle RAC“ Let’s follow the steps....
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