That’s right, like Google, Yahoo and others we don’t use a Storage Area Network (SAN) but instead opt for a distributed storage solution. Distributed storage provides us with much higher levels of redundancy and resilience than any SAN solution could. SANs represent large single points of failure and require huge networking traffic. When used in the cloud this translates to major availability losses if a SAN fails (and they do!) as well as reduced virtual server performance and increased network lag. SANs make more sense for single enterprises and more traditional web hosting but not for Infrastructure-as-a-Service platforms such as CloudSigma’s.