HP StorageWorks 2/140 FW 08.01.00 McDATA Products in a SAN Environment Plannin - Page 97
Tape Device Consolidation, consolidated servers is slightly less 90 MBps than the E_Port
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Planning Considerations for Fibre Channel Topologies 3 Figure 3-7 Server Consolidation Tape Device Consolidation Providing fabric connectivity for multiple FC-AL tape drives by attaching them individually to a Fibre Channel director is likewise not a cost-effective solution. A practical solution is to consolidate the tape drives on an inexpensive loop switch, then connect the switch to a director E_Port. Figure 3-8 illustrates the consolidation of three tape drives through one E_Port connection to a fabric director. Each tape drive has a 30 MBps bandwidth, therefore the sum of the bandwidths of all consolidated servers is slightly less (90 MBps) than the E_Port bandwidth of 1.0625 Gbps. Connecting another FC-AL tape drive to the switch would exceed the E_Port capability and adversely impact director-to-switch link performance. Other devices (such as servers) should not be connected to a switch used for tape drive consolidation. Planning Considerations for Fibre Channel Topologies 3-13