How to Update the Oracle Public Keys in the Secure Boot on Oracle Linux
Introduction In my last post GIRU 19.30 Patch Fails with “modprobe: ERROR: could not insert ‘oracleoks’: Operation not permitted” Followed…
GIRU 19.30 Patch Fails with “modprobe: ERROR: could not insert ‘oracleoks’: Operation not permitted” Followed by”CLSRSC-400: A system reboot is required to continue installing”
Introduction This blog post describes an issue I encountered while applying the latest GIRU 19.30 to two Exadata X9M systems…
Clusterware Startup Fails with “CRS-1714: Unable to discover any voting files” After Upgrade the Kernel to UEK7 with ASMlib v3.1
Problem I have successfully upgraded the ASMlib from v2 to v3.1 in a 2-Node Oracle RAC 19c, originally running with…
Updating Oracle Enterprise Manager (OEM) from 13.5.0.21 to 13.5.0.29 Applying the OMS RU + Holistic Patch (JAN 2026) + Upgrading DB Client to 19c
Introduction The Oracle Enterprise Manager runs in a Weblogic service with many other Web components, where each of these components…
Out-Of-Place Patching is Easier in Oracle 26ai Using “-setupHomeAs” To Install new GI and DB homes
Introduction When applying an Out-Of-Place patch to Oracle Grid Infrastructure or an Oracle Database using a fresh new Oracle Home, you must…
How to Identify the Plan Hash Value With the Shortest Average Execution Time for Each SQL_ID in the Cursor Cache and Create SPM Baselines
Introduction In this blog post I’m sharing a query and a PL/SQL script that I created to identify all SQL_ID…
gridSetup.sh -switchGridHome fails with PRVG-2031 : Owner of file “<GRID_HOME>/bin/oradism” did not match the expected value on node
Problem While trying to switch to a Grid Home, the process failed with the following error: This issue can occur…
How to Change the ADMIN Password in the Exadata RoCE Switches
Introduction This is short blog post with quick demonstration in how to change the password for the ADMIN user in…
How to Clone a Non-CDB as a PDB in a CDB with Data Guard Configuration
Introduction I have provided help for some people from GUOB community a few times with questions about “how to clone…
Oracle Linux Error – qemu-kvm: unable to map backing store for guest RAM: Cannot allocate memory
Introduction I found this note about a issue I faced some time ago and noticed I forgot to post here…