NonStop NS16000 Series Planning Guide (H06.11+)

Fibre Channel disk modules connect to Fibre Channel ServerNet adapters (FCSAs) via Fiber Channel
arbitrated loop (FC-AL) cables. This drawing shows the two Fibre Channel arbitrated loops
implemented within the Fibre Channel disk module:
Factory-Default Disk Volume Locations
This illustration shows where the factory-default locations for the primary and mirror system disk
volumes reside in separate Fibre Channel disk modules:
FCSA location and cable connections vary according to the various controller and Fibre Channel
disk module combinations.
Configurations for Fibre Channel Devices
Storage subsystems in NonStop S-series systems used a fixed hardware layout. Each enclosure
can have up to four controllers for storage devices and up to 16 internal disk drives. The controllers
94 System Configuration Guidelines