HP StorageWorks MSA2012i HP StorageWorks 2000 Modular Smart Array Reference Gu - Page 256
Node and Port Identifiers, FC
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Node and Port Identifiers This section describes the node and port identifiers presented by FC, iSCSI, and SAS storage systems. FC Each controller has a unique, permanent node WWN. Each controller host port has a unique port WWN that is based on the node WWN. The WWN format is: 27 ■ port - 0 for a node; the port number for a port. ■ A/B - 0 for controller A; 8 for controller B. ■ multiID - 0 for a node; 0 for the first ID on each port per controller. ■ OUI - The manufacturer's unique identifier, composed of six hex digits. ■ midplane-SN - A serial number derived from the last six hex digits of the midplane serial number. The following table shows example node WWNs and port WWNs. Notice that the node WWNs differ in the fourth digit and, for a given controller, the port WWNs differ in the second digit. Controller Node WWN FC Port WWN A 207000C0FF0A408A 0: 207000C0FF0A408A 1: 217000C0FF0A408A B 207800C0FF0A408A 0: 207800C0FF0A408A 1: 217800C0FF0A408A 256 HP StorageWorks 2000 Family Modular Smart Array reference guide • August 2008
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