
42 SAN Multiprotocol Routing: An Introduction and Implementation
After you migrate any host to new disks, you can move the Fibre Channel
ports of the server to the new SAN fabric as well. Because you can do this
one server at a time, the outage needed is minimized.
Storage consolidation
Many enterprises implement a separate SAN fabric for tape backups. Without
FC-FC routing, this requires a separate Fibre Channel adapter in each server
that needs to be connected to the backup devices, as well as the additional
fiber cabling to support these adapters. If you set up FC-FC routing between
the normal SAN fabrics and the backup fabric, you can share ...