Introducing N_Port Identifier Virtualization for IBM System z9

An IBM Redpaper publication

Published 06 April 2006

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IBM Form #: REDP-4125-00
(26 pages)

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Authors: Frederick Wong


This IBM Redpaper describes the N_Port ID Virtualization (NPIV) feature in a Fibre Channel Protocol (FCP) fabric. NPIV is a new feature available with IBM System z9 109 servers. NPIV allows a single FCP port to register multiple Worldwide Port Names (WWPN) with a fabric name server. Each registered WWPN is assigned a unique N_Port ID. With NPIV, a single FCP port can appear as multiple WWPNs in the FCP fabric. This Redpaper focuses on NPIV concepts and implementation; for details about general FCP implementation, see Linux on zSeries: Fibre Channel Protocol Implementation Guide, SG24-6344 .

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