Dell POWERVAULT MD3620I - Manual (Page 13)

Hardware Installation 13
Direct-Attached Configurations
You can connect the Ethernet ports of the host servers directly to the storage
array RAID controller module iSCSI ports.
Single Path Data Configurations
With a single path configuration, a group of heterogeneous hosts can be
connected to the storage array through a single physical Ethernet port. Since
there is only one port, there is no redundancy, although each iSCSI portal
supports multiple connections. This configuration is supported for both
single controller and dual controller modes.
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