- Replace directory existence check with directory creation
- Ensure proper ownership (oracle:oinstall) and permissions (0755)
- Remove failed_when that was causing unnecessary failures
- Make postinstall role more robust for different environments
- Enhance systemd service template with proper User/Group/Environment settings
- Use variables in cron cleaner script instead of hardcoded paths
- Add comprehensive path validations before operations
- Create validations.yml for prerequisite checks
- Improve service dependencies and startup order