HP D2D4009fc HP StoreOnce Backup System Concepts and Configuration Guidelines - Page 55
What happens if a fabric fails?, still have access to Fabric 1. As long as Hosts D
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What happens if a fabric fails? If Fabric 1 fails in the previous configuration, all VTL libraries and nodes on the HP B6200 Backup System still have access to Fabric 2. As long as Hosts A, B and C also have access to Fabric 2, then all backup devices are still available to Hosts A, B and C. The following diagram illustrates existing good paths after a fabric fails. Figure 29 Complex configuration with ports of different VTLs being presented to different fabrics, Fabric 1 fails Similarly, if Fabric 2 failed, all VTL libraries and nodes on the HP B6200 Backup System would still have access to Fabric 1. As long as Hosts D, E and F also have access to Fabric 1, then all backup devices are still available to Hosts D, E and F. The following diagram illustrates good existing paths after Fabric 2 fails. Scenario 3, dual fabric with dual switches, recommended 55