CCNA Data Center DCICT 640-916 Official Cert Guide

SAN Design

SAN design doesn’t have to be rocket science. Modern SAN design is about deploying ports and switches in a configuration that provides flexibility and scalability. It is also about making sure the network design and topology look as clean and functional one, two, or five years later as the day they were first deployed. In the traditional FC SAN design, each host and storage device is dual-attached to the network. This is primarily motivated by a desire to achieve 99.999 percent availability. To achieve 99.999 percent availability the network should be built with redundant switches that are not interconnected. The FC network is built on two separate networks (commonly called path A and path B), and each end node (host or storage) is ...