Appendix D 381
Using SNAplus2 in a High Availability Environment
Using SNAplus2 with MC/ServiceGuard
To create a network where multiple HP systems can share the same
SDLC line, use a multidrop modem to connect the HP servers to the
single SDLC line. The PSI adapter cards that support the SDLC protocol
must have the same card numbers, as configured in the SDLC Port
configuration screen.
Figure D-13 Client/Server Configuration Using SDLC DLC
Client Client Client Client
3xxx
Communications
Controller
IBM
Host
LAN
Primary HP-UX Server hp_pri
PSI Adapter
Backup HP-UX Server hp_back
PSI Adapter
Card 0Card 0
Multi-drop
Modem