I am trying to get one of these going. After a little hacking, I've got the linux kernel recognizing and attempting to init the card, but it's failing because the card needs to be setup / partitioned first.. I'm assuming there are utilities to setup the card, but so far my search has come up short. Ramsan was aquired by IBM at some point. There appears to be little to no information out there.
http://www.hamburgnet.de/products/ramsan/ramsan_70_brochure.pdf
http://www.hamburgnet.de/products/ramsan/ramsan_70_brochure.pdf