NPIV is Enabled on a Brocade SAN Switch and Two Sets of Virtual Fabric WWPNs have been configured on Microsoft Hyper-VM, But Only One Set of WWPNs is Visible and Other Set is Not Visible. (Doc ID 2020015.1)

Last updated on NOVEMBER 23, 2015

Applies to:

Brocade 5300 Switch - Version Not Applicable and later
Information in this document applies to any platform.

Symptoms

NPIV is enabled on a Brocade SAN Switch and two sets of Virtual Fabric WWPNs have been configured on Microsoft Hyper-VM, but only one set of WWPNs is visible and other set is not visible.

Changes

 Hyper-V automatically alternates between the Set A and Set B WWN addresses during a live migration. This ensures that all LUNs are available on the destination host before the migration and that no downtime occurs during the migration

Cause

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