Author Archives: Markus Flechtner

Read-Only-Oracle-Home: the follow-up post

After my recent post on read-only ORACLE_HOME I received some feedback and had some discussions with some colleagues on this topic. So I decided that another post may be helpful.

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Oracle 18c/19c: Running a “read-only-Oracle-home” on a read-only-filesystem

In Oracle 18c Oracle introduced a new feature, called “read-only-Oracle-Home”. By configuring an Oracle-Home-directory of your RDBMS-installation as “read-only”, Oracle will place all the configuration files like spfile etc. outside the directory tree of your $ORACLE_HOME and will basically move … Continue reading

Posted in Oracle 18c, Oracle 19c | 1 Comment

Automatic Failback of a Service in a Oracle-19c-RAC-Database

High-availability of database services has been a feature of Oracle Real Application Servers since many versions. Bascially, when a database instance fails, a service which has got this instance as a preferred instance, fails over to another available instance. Unfortunately, … Continue reading

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Licensing of Oracle Enterprise Manager Cloud Control

It is my impression that the licensing of Oracle Enterprise Manager Cloud Control is not clear to everyone. Almost every month there is a question on https://community.oracle.com/ on this topic. Let’s see what the Oracle documentation says.

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DBCA: Registering a database with OEM Cloud Control during creation

When you create a database using Database Creation Assistant (DBCA), there is this screen “Specify Management Options”. For my test database on VMs I choose “Enterprise Database Express” as a simple standalone-management option most times. But there is this other … Continue reading

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