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 workload is moved to DR site. Some clients never execute DR test. 🙂 For this specific…
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 physical standby database opened in read only mode, meanwhile is applying the transactions which are transfered from Production to DR. Sometimes…
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! Since 2016, Oracle Community have a day where we push out content on the same day and try to…
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 start a job like this using eDB360. You can check more details about this amazing tool here. I ran eDB360 for…
Ansible Playbook to Update AgentPatcher on OEM Agents
Hi everyone, Hope you’re doing good! In my last blog post, I explained how to apply the latest Release Update on OEM 13.5. You can check it here. In the blog post described above, one of the required steps is to apply Release Update 13.5.0.16…
How to Update Oracle Enterprise Manager from 13.5.0.9 to 13.5.0.16
Hi everyone, Hope you’re doing good. A client reached up to us asking to update their Oracle Enterprise Manager and its agents from 13.5.0.9 to latest Release Update available. First of all, we need to understand from which note we can find the latest OEM…
Cluster Startup fails with CRS-41053
Hi everyone, Hope you’re doing good! A few weeks ago, DBA team of a client reached up to me and told me that they have a 2-node cluster where the second node it was not running as expected. I started the cluster troubleshoot: Let’s check…
opatch rollback cleaning up content of $GRID_HOME/jdk folder
Hi everyone, Hope you’re doing good! A few days ago, a client reached out to me because they had some issues during the rollback of a JDK patch that was installed in $GRID_HOME. Let’s better understand about the scenario: Client was running on RU 19.17…
Disclaimer
My postings reflect my own views and do not necessarily represent the views of my employer, Accenture.