Yeah, but only if you *get* a /dev/sdx name. I'm playing with Open-iSCSI for the first time, on Suse, under Xen, and I can only get it to do that for the first two mounts; after /dev/sdb, I don't get a device anymore. I assume there's some knob I haven't found yet, but the doco on Open-I is kinda thin on the ground...
This planning treads much the same ground as the best writeup I found on the topic: