HP StorageWorks 4000/6000/8000 .HP StorageWorks SAN Design Reference Guide, Pa - Page 380
Blade overview, Hardware support
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• Scalability rules, page 382 For the latest B-series iSCSI Director Blade information, see the Application Note for the HP StorageWorks B-series iSCSI Director Blade at http://www.hp.com/go/sandesignguide. For the latest B-series documentation, see http://h18006.www1.hp.com/storage/saninfrastructure.html. Blade overview The B-series iSCSI Director Blade provides IP hosts access to Fibre Channel storage devices. The IP host sends SCSI commands encapsulated in iSCSI PDUs to a blade port over TCP/IP. The PDUs are routed from the IP network to the Fibre Channel network and then forwarded to the target. Figure 142 shows a sample configuration in which a B-series iSCSI Director Blade bridges an IP network and Fibre Channel network. Fibre Channel Host 1 Host 2 IP link ISL B-series iSCSI Director Blade IP network Fibre Channel B-series fabric Fibre Channel 25320b Figure 142 Fibre Channel and IP configuration with the B-series iSCSI Director Blade . The incoming iSCSI initiators on an iSCSI port are mapped as a single iSCSI virtual initiator. The virtual initiator is presented to Fibre Channel targets as an N_Port Fibre Channel initiator device with a WWN. By default, the blade uses basic LUN mapping to map Fibre Channel targets to iSCSI virtual targets. This creates one iSCSI virtual target per Fibre Channel target and allows 1-to-1 mapping. The iSCSI initiators are then allowed to access the iSCSI virtual targets. Hardware support This section describes the devices compatible with the B-series iSCSI Director Blade. 380 iSCSI storage