Why is the INSERT Statement Slow? Understanding ‘db file sequential read’ Waits
Some weeks ago, a client called complaining about a slowness during its load in a table. The scenario it was pretty simple: They are loading the table using the INSERT…
How to Efficiently Export a Large List of Tables with DataPump
Hi everyone, hope you’re doing good! I’m a member of a WhatsApp Group in Brazil for DBAs (not only Oracle), and one of the members asked about how to export…
Ansible Playbook to Show the Current RU for OEM Agents
Hi everyone, Hope you’re doing good! In my last blog post I explained how to update Oracle Enterprise Manager and its OEM Agents from RU 13.5.0.16 to RU 13.5.0.20. You…
How to Update Oracle Enterprise Manager from RU 13.5.0.16 to RU 13.5.0.20
Hi everyone, Hope you’re doing good. A client contacted us asking to update their Oracle Enterprise Manager and its agents from 13.5.0.16 to latest Release Update available. First of all,…
CLSRSC-180: An error occurred while executing the command ‘/bin/rpm -qf /sbin/init’ during postpatch
Hello everyone, Hope you’re doing good. Over the last weeks I published two blog posts regarding upgrade DB Server Operating System from RHEL 7 to RHEL 8. In my last…
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 you read my…
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 RHEL 7.9 to RHEL 8.8. Note that RHEL…
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 read more here: Device Mapper…
