I have an Oracle Restart virtual machine that has both Oracle grid Infrastructure 12cR2 (12.2) and Oracle Database 12c R2 (12.2) + one CDB database called "orcl". I need to fully remove all oracle components from this machine. About the Deinstallation Tool Starting with Oracle Database 12c, the deinstallation tool is integrated with the database … Continue reading Removing Oracle Database Software 12.2 (Grid + Database)
In this post we are going to create a new virtual machine and configure it to use an already existing virtual disk. This disk contains Oracle Linux 6.3 + Oracle Grid Infrastructure 12.2 + Oracle Database 12.2. We will create the machine two times, one time using the VirtualBox Manager (Gui Interface), and another time … Continue reading Oracle VirtualBox: Create new Virtual Machine
This is my first post after my blog was recognized by feedspot as one of the Top 100 Oracle blogs https://blog.feedspot.com/oracle_blogs/ . I'm really happy of this recognition, and I hope I'll continue providing high quality content and sharing a real oracle experience, thanks feedspot. Coming back to our subject today. I have a valuable … Continue reading Oracle VirtualBox: Change Disk UUID
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Introduction: This is a real data guard implementation case for one of my clients. Data Guard is implemented between two clusters that reside on two different supercluster machines. The below procedure applies between any two clusters, it doesn't matter if it is a supercluster or Exadata or normal servers. I tried to put as much … Continue reading Oracle Database Guard 12c Implementation with RAC (Step-by-Step)
Introduction: I (and we) used to see the oracle database password file under $ORACLE_HOME/dbs for both single instance and RAC databases. Example for RAC database: On node1 /u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwPROD1 On node2 /u01/app/oracle/product/11.2.0/dbhome_1/dbs/orapwPROD2 If one password file was changed in one node, then you have to copy it to all other nodes in the cluster. What is … Continue reading Oracle Database 12c Password File
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Ahmed AbdelFattah Blog ! 