HP StorageWorks 8/80 HP StorageWorks Fabric OS 6.2 administrator guide (5697-0 - Page 371

Figure 59 shows a metaSAN consisting of three edge fabrics connected through an HP StorageWorks DC SAN Backbone Director with interfabric links. Host Target Target Edge fabric 1 E_Port Edge fabric 2 E_Port Edge fabric 3 E_Port Fibre Channel switch IFL IFL EX_Ports FC router Long distance IFL Fibre Channel switch Figure 59 A metaSAN with interfabric links • Logical SANs (LSANs) An LSAN is defined by zones in two or more edge or backbone fabrics that contain the same devices. You can create LSANs that span fabrics. These LSANs enable Fibre Channel zones to cross physical SAN boundaries without merging the fabrics while maintaining the access controls of zones. An LSAN device can be a physical device, meaning that it physically exists in the fabric, or it can be a proxy device. Figure 60 on page 370 shows a metaSAN with a backbone consisting of one FC router connecting hosts in edge fabrics 1 and 3 with storage in edge fabric 2 and the backbone fabric through the use of LSANs. Three LSAN zones allow device sharing between the backbone fabric and Edge Fabric 1, between Edge Fabric 1 and Edge Fabric 2, and between Edge Fabric 2 and Edge Fabric 3. Fabric OS 6.2 administrator guide 369