Oracle 11g

Errors while installing Oracle Database Vault on Oracle 11.2.0.3

During one of my last consulting missions, I had to install Oracle Database Vault on an existing Oracle environment. It clearly was not a straigthforward process, since I experienced some weird errors such as: ORA-28003: password verification for the specified(…)

Oracle Database 12c: Moving a datafile is now possible online

Gone are the days where you had to put a tablespace or your complete database offline in order to move or rename a datafile. Oracle 12c features a new command that allows to move datafiles when both database and(…)

Oracle Database 12c: Flashback Data Archive (FDA) – new features

Oracle Database 12c was published in June and among the new features of this release are multiple improvements of the Flashback Data Archive (FDA), an option also known as Oracle Total Recall. In this post, I will present the(…)

Processor licensing for Oracle database on VMware ESX

In this post, I would like to share with you what I have learned about Oracle licensing particularities on a virtualization infrastructure (software partitioning) based on VMware ESX. Recently, I faced an Oracle licensing problem on a VMware ESX cluster(…)

Oracle RAC 11.2.0.2: A disturbing loop in a “ohasd” startup script

Last February, I performed an operating system rolling upgrade on a four-nodes RAC cluster (11.2.0.2). I then faced a strange problem when restarting the operating system… The first step of the procedure was to stop all Grid Infrastructure and Database(…)

Scripts to duplicate an Oracle database virtual machine: step two

In January, I promised to show you the next step of a procedure to manage templates with Virtual Box. Don’t worry, I have not forgotten but I was very busy! This step, the final one, consists on customizing of a virtual(…)

Wie kann ich Indexes und Daten mittels Data Pump trennen?

Diese Frage habe ich in den letzten Jahren öfters gehört. Zumindest seitdem die DBAs Oracle Datapump verwenden anstatt des alten Export/Import Tools. Angeblich war es früher mit dem Import-Parameter-Tool „INDEXFILE“ viel einfacher. Tja, die Wahrheit ist: Mit Datapump geht es noch(…)

Bug on Oracle 11.2 “ORION FAILS WITH ORA-27061”: Patch available!

In march 2011, my colleague Gregory Steulet published an article about Simulating and testing I/O performances with Orion. In this article, he wrote about a bug concerning Orion on Oracle(…)

Configuration des options en Oracle 11g EE avec ‘chopt’

La configuration des options sous Entreprise Edition avant Oracle 11g pouvait être un véritable parcours du combattant. Donc, une attention particulière devait avoir lieu avant l’installation des binaires Oracle; à savoir quelles options devaient être installées! Depuis la version 11g,(…)

Oracle Automatic Memory Management: real memory usage!

When using Automatic Memory Management for Oracle, it is sometimes difficult to monitor the memory usage and in particular to find the right tools to get the right information about currently allocated structures. The instance which will be analyzed has(…)