CCNA Data Center DCICT 640-916 Official Cert Guide

Scale-up and Scale-out Storage

Storage systems increase their capacity in one of two ways: by adding storage components to an existing system or by adding storage systems to an existing group of systems. An architecture that adds capacity by adding storage components to an existing system is called a scale-up architecture, and products designed with it are generally classified as monolithic storage. An architecture that adds capacity by adding individual storage systems, or nodes, to a group of systems is called a scale-out architecture. Products designed with this architecture are often classified as distributed. A scale-up solution is a way ...