: Often occurs when the CRS (Cluster Ready Services) home is shared across nodes or when a mandatory validation (introduced in versions like 12.2.0.1.10) enforces the -nonrolling flag for single-node setups.
In some software versions (e.g., 12.2.0.1.10), a bug or specific validation might force the use of the -nonrolling flag even on single-node setups. How to Execute Patching in Non-Rolling Mode opatchauto72030 execute in nonrolling mode high quality