private boolean isValid(boolean isFailed, long startTime) {
	    logger.debug("Time taken: {}", System.currentTimeMillis() - startTime);
	    if (isFailed) {
            return false;
	    }
        return true;
	}
Validate Volumes:
Storage Class should be valid
     persist error message and returns false
Size and Storage class modification 
     persist warn message and returns true

@author tushar
workflow-controller/controller-service/src/main/java/io/hyscale/controller/validator/impl/VolumeValidator.java