Administration Clusterware ACFS-9459: ADVM/ACFS is not supported on this OS version: ‘4.18.0-513.11.1.el8_9.x86_64’ after upgrade to RHEL/OEL 8.9 Hi everyone, Hope you're doing good! In my last blog post I wrote about an issue with ACFS modules after upgrading OS to RHEL 8.8. Well, if … Mar 25, 2024 2 min read
Administration Clusterware ACFS-9459: ADVM/ACFS is not supported on this OS version: ‘4.18.0-477.27.1.el8_8.x86_64’ after upgrade to RHEL/OEL 8.8 Hi everyone, Hope you're doing good! A client called me because they faced some issues while they're upgrading the Operating System from RHE… Mar 15, 2024 2 min read
Administration Database Disk failed even using Multipath. How? Why? Hi everyone, hope you're doing good. In my last post I explained some basic concepts about Multipath and the importance to use it. You can r… Mar 12, 2024 9 min read
Administration Database Device Mapper Multipath – How this works? Why as a DBA I should concern about it? Hi everyone, hope you're doing good. On this blog post, I'll discuss about DM Multipath and why this is so important when we are talking abo… Mar 6, 2024 8 min read
Administration Database Scheduler Job does not exist (not visible) in Snapshot Standby Database Hi everyone! Hope you are doing good! I got a call from a client during their DR test. We do know that usually DR test means when the entire… Nov 20, 2023 5 min read
Database Query on Active DataGuard failing with ORA-12801 and ORA-03254 Hi everyone, Hope you're doing good. I was working with a client where they have their DR environment running with Active DataGuard, ie, a p… Oct 16, 2023 3 min read
Enterprise Manager omspatcher analyze ending with “The software library location is empty” #JoelKallmanDay Hi everyone, Hope you're doing good. Before we go to the subject of this blog post, let me explain why the post have the #JoelKallmanDay tag… Oct 11, 2023 4 min read
Performance High System Load with Low CPU Utilization. How? Hi everyone, Hope you're doing good! I'm working for a client doing some proactive job to check about performance along the time. I always s… Sep 25, 2023 6 min read
