Below is a detailed review of the procedure, risks, and execution strategy.
Acquire exclusive lock (handled by OPatchAUTO): opatchauto72030 execute in nonrolling mode exclusive
In some environments (specifically RHEL8 or OEL7), you may need to set specific environment variables to bypass remote copy issues that occasionally accompany this error: Below is a detailed review of the procedure,
: This mode is the direct solution for the OPATCHAUTO-72030: Cannot execute in rolling mode, as CRS home is shared error, allowing for successful patch application in shared ORACLE_HOME environments. as CRS home is shared error
: It eliminates the "mental effort" of host-to-host command sequences. By using the -nonrolling flag, the tool automatically sequences the shutdown, patching, and startup phases across the cluster.