Linux patching (OS security updates, kernel upgrades, etc.) is a routine activity for system administrators. For Oracle RAC environments, DBAs must ensure pre-patching checks, safe shutdowns, and post-patch relinks are properly executed to avoid service disruption. 1. Why Pre-Patching Checks Are Critical Before handing over the server to the Linux team, DBAs must: These pre-checks […]
USABLE_FILE_MB in v$asm_diskgroup can be negative for a number of reasons. The most common reason is that the disk group does not have enough free space to meet the redundancy requirements of its files. For example, if a disk group is configured with NORMAL redundancy, then each file in the disk group must have two […]
Upgrading Oracle Grid Infrastructure from version 11.2.0.4 to 12.2.0.1 involves several steps and considerations. You need to have Oracle Grid software for upgrading Oracle grid along with patches. General steps followed for this upgrade, You need to create same directory structure for your GRID_HOME on all RAC nodes. Also for this upgrade Oracle need at […]
Upgrading Oracle Grid Infrastructure and Oracle Database to version 19c offers several benefits: These are just a few of the reasons why upgrading to Oracle Grid Infrastructure and Oracle Database 19c can be beneficial. However, it’s important to thoroughly assess your specific requirements and consult Oracle’s official documentation and support resources before proceeding with the […]