This is correct, but I would make sure that you update to the latest then enable Maintenance Mode then change the IP's (please make sure the VIPs are on a separate network as instructed from the setup of Failover). This video will show you how to enable Maintenance Mode.

http://www.open-e.com/support/librar...rs-and-videos/
Maintenance Mode with Open-E DSS V7 in Failover with iSCSI and NFS