Lenovo ThinkSystem DS Series Hardware Installation And Maintenance Manual page 87

be connected to the primary system. If the primary system goes offline, a connected server can access the replicated
data from the secondary system.
Replication configuration possibilities are many, and can be cabled—in switch attach fashion—to support the
CNC-based systems (SAS systems do not support replication) on the same network, or on different networks.
Connecting two storage systems to replicate volumes 87