
Chapter 15. IBM TotalStorage m-type family best practices 429
With the SAN16M-R router, you can design your mSAN for path failover. That
means you can configure two routers in your mSAN, interconnect them with an
mFCP link, and connect each fabric’s switch with two alternate paths, each to a
different SAN16M-R router.
Figure 15-1 shows the path failover scenario at a router level. If one of the routers
fails, all the traffic is transferred through the remaining router.
Figure 15-1 Path failover on router level
It is a good practice to keep local storage traffic and traffic for replication
separated, or to dedicate one pair of storage ports for ...