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…
STARTUP MOUNT failed with ORA-00210 ORA-00202 ORA-27086
Hi everyone, Hope you’re doing good. I’m working for a client which has Oracle DB for SAP applications. Those DB’s are not using RAC, yes, I know 🙂 SAP does not support use RAC in its fullness, as cannot use services…
Shell Script to monitor Oracle Enterprise Manager Agent
Hey everyone, Hope you’re doing good. Sometime ago, an old client called saying that they have migrated their Linux servers from RHEL6 to RHEL7. They have done a new installation instead upgrading OS. Because of this movement, OEM Agent was not starting…
Shell Script to create weekly backups for TDE Wallet
Hey everyone, Hope you’re doing good. As already discussed in the blog, every environment which uses TDE (Transparent Data Encryption), a wallet is needed to store the encryption key. The wallet is a file extremally important and critical for the health and…
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My postings reflect my own views and do not necessarily represent the views of my employer, Accenture.