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ODA X7-2S/M 12.2.1.2.0: update-repository fails after re-image

While playing with a brand new ODA X7-2M, I faced a strange behaviour after re-imaging the ODA with the latest version 12.2.1.2.0. Basically after re-imaging and doing the configure-firstnet the next step is to import the GI clone in the(…)

One command database upgrade on ODA

The 12.2 finally arrived on ODA and is now available on all generations. Modern ODAs are now supporting 11.2.0.4, 12.1.0.2 and 12.2.0.1 database engines, and these 3 versions can work together without any problem. You probably plan to upgrade some(…)

ODA 12.2.1.2.0 – VLAN Management

Virtual Local Area Network (VLAN) have become since several years a standard in enterprise class networks. Most enterprises are now segregating their network, especially for security reasons, between server and user or prod and test or applications and backup and(…)

18c Read Only Oracle Home

By Franck Pachot . This is the big new feature of Oracle 18c about database software installation. Something that was needed for decades for the ease of software deployment. Piet de Visser raised this to(…)

My personal journey with Linux on the desktop

My Linux experience started back in 1999 when we needed a router for our ISDN connection in our shared apartment when we were students. I don't remember the hardware we used for that but I am sure at(…)

What you can do when your Veritas cluster shows interfaces as down

Recently we had the situation that the Veritas cluster (InfoScale 7.3) showed interfaces as down on the two RedHat 7.3 nodes. This e.g. can happen when you change hardware. Although all service groups were up and running this is a(…)

CPUs: Cores versus Threads on an Oracle Server

When doing a performance review I often do talk with the DBA about the CPU utilization of the server. How reliable is the server CPU utilization with tools like top or the host CPU utilization in the AWR-report? E.g. on(…)

Duplex RMAN backups between disk and tape

Below a workaround is shown how to “duplex” archivelog backups between disk and tape: Backup on disk (normal way): backup device type disk archivelog all;   Immediately  backup on tape: backup device type sbt archivelog until time 'sysdate' not backed(…)

SQL Server Management Studio 17.4: Vulnerability Assessment

SQL Server Management Studio is a well know integrated environment used to manage SQL Server infrastructure. This new version 17.4 can support SQL Server from 2008 up to 2017. It enhances existing features like Showplan, XE Profiler (complete list(…)

Backup and Restore PostgreSQL with PgBackRest II

By Mouhamadou Diaw In a precedent blog I shown a basic utilization of PgBackRest which is a tool to backup and restore PostgreSQL databases. In this blog I am going to talk some useful(…)