This is mostly for CX and AX models.

They can be connected using both Fiber and iSCSI

configuration Here have details on how to set them up.

VMware How to connect ESX hosts

Linux How to connect Linux hosts

Windows pretty sure you can do it….. haven't done it in years!!

Navisphere Main management software until flare 30

Unisphere Newer and better? also manages Celeras, Symmetrics etc

PowerPath Powerpath release notes, command line options etc

Naviagent details of a relic