HP 1606 Brocade Fabric OS Administrator's Guide v6.3.0 (53-1001336-01, July 20 - Page 295
Basic and advanced LUN mapping, Basic LUN mapping, Advanced LUN mapping
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iSCSI gateway service overview 12 A pplic a tion SCSI iS C S I T C P /IP iS C S I T C P /IP FC P (FC -4) F C (F C -2/F C -3) iS C S I initiator iS C S I virtual target (V T ) iS C S I virtual initiator (V I) iS C S I gateway s ervic e FIGURE 30 iSCSI-to-FC translation S torage (device s erver) SCSI FCP FC F C target 40. 3 Basic and advanced LUN mapping Fabric OS provides the following two methods to map physical FC targets (LUNs) to iSCSI virtual targets (VTs): • basic LUN mapping • advanced LUN mapping Basic LUN mapping Fabric OS provides a mechanism that maps LUNs to iSCSI VTs, a one-to-one mapping with unique iSCSI qualified names (IQNs) for each target. It presents an iSCSI VT for each native FC target to the IP network and an iSCSI VI for each iSCSI port to the FC fabric. The following figure shows a basic LUN mapping scenario for an FC target with four LUNs. iS C S I virtual target (V T ) F C target LUN LUN 0 0 1 1 2 2 3 3 40. 9 FIGURE 31 iSCSI VT basic LUN mapping Advanced LUN mapping iSCSI VTs can be mapped to more than one physical FC target, and the LUNs can be mapped to different virtual LUNs. The following figure shows an advanced mapping scenario. Fabric OS Administrator's Guide 253 53-1001336-01
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