Compaq Parallel Database Cluster Model PDC/O2000 for Oracle8i and Windows 2000 Administrator Guide

Cluster Architecture 2-59
■ The even-numbered Storage Hub or FC-AL Switch (Storage
Hub/FC-AL Switch #2) is connected to the active array controller in
each even-numbered RA4000/RA4100 Array (2 and 4).
■ The even-numbered Storage Hub or FC-AL Switch is connected to the
standby array controller in each odd-numbered RA4000/RA4100 Array
(1, 3, and 5).
NOTE: The following active/active configurations are examples only. You are not required
to follow these configurations.
For more information about installing active/active configurations, refer to
these sections in Chapter 5, “Installation and Configuration”:
■ Cabling the Fibre Host Adapters to the Storage Hubs or Switches
■ Cabling the Storage Hubs or Switches to the RA4000 Array Controllers
In Figures 2-25 through 2-28, active I/O path components have been shaded to
distinguish them from standby (inactive) components. Black Fibre Channel
cables identify connections between active components; gray cables identify
connections between standby components.