<<Back to Oracle RAC Main Page Step by Step how to upgrade oracle Clusterware from 11g to 19c RAC Step1> Apply Latest Patch Ensure to download and apply latest (last) available patch. Follow the instruction from below post How to patch oracle 11g RAC Step2> Ensure following patches are applied Patch Prerequisite 2539751.1 /2180188.1 From GI Home $GI_HOME/OPatch/opatch lsinventory |grep -e 28553832 -e 17617807 -e 21255373 for DB Home from DB Home if DB also to be upgraded to 19c $DB_HOME/OPatch/opatch lsinventory |grep -e 17617807 -e 21255373 -e 28553832 Managing older database with 19c ASM $GI_HOME/OPatch/opatch lsinventory |grep -e 23186035 Step3> Create Directory As root user create following directories and change the ownership and permissions accordingly # mkdir -p /ora_grid/product/19c/grid # cd /ora_grid/product/ # chown -R oracle:oinstall 19c Step4> Unzip Clusterware Software on first node of the cluster unzip the clusterware software in Grid Home direct
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