[CentOS] How do I know if I am using SAN?

Wed Aug 22 15:28:40 UTC 2007
Tom Brown <tom at ng23.net>

> How can I verify if I am using SAN for my Linux Server? Also, how do I 
> find WWNs of HBAs?
>
errr what? Is that a serious question or trolling? If you have a SAN and 
you need to ask if you are using it i'd worry, or perhaps i just dont 
understand the wording of your question.