How to downgrade InfiniBand switch patches on EXADATA

Lately I was asked to apply the Exadata Quarterly Full Stack Download Patch (QFSDP) of July 2018(Patch 28183368) on the infrastructure components of a virtualized EXADATA X6-2. The objective consists of patching the following components: I found a lot of instructions and examples on how to upgrade the components, but none on how to downgrade… read more

Keep Your Money in Check on the Oracle Infrastructure Cloud

With any cloud environment, it becomes easy to start a new resource whether it is a database or a compute instance. It is like walking to a giant department store with unlimited credit on your card. Too often we find that somebody has fired a new instance and left it forgotten to run over holidays… read more

Configure SSO for an app in Oracle Cloud using IDCS

Oracle Identity Cloud Service (IDCS) provides integration with any service that can be integrated via SAML (Security Access Markup Language) protocol. Administrations will be able to manage users into various applications via single control panel and end users will be able to get to applications via single click. IDCS provides support for standard SAML 2.0… read more

Oracle RAC 12c: A Recipe to Recover From Losing OCR, Voting Disk, or ASM Password

Starting with Oracle 11gR2, it is difficult to lose your OCR file or voting disk as they are stored in an ASM disk group with normal or high redundancy. The scenario below will corrupt the header of oracleasm disks that belong to disk group that has an OCR file, a voting disk, and ASM Password… read more

Revealing Some Fundamentals of Data Masking

This article introduces the concept of data masking and will provide some key considerations for undertaking a data masking initiative. Most organizations recognize that their current practices of using production data in non-production environments are introducing security risks but they are hesitant to change those practices on the belief that creating reliable and comprehensive test… read more