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Status Not under consideration
Workspace IBM i
Created by Guest
Created on Nov 4, 2021

vFC Mappings and Live Partition Mobility

You can do multiple vFC mappings on one physical FC port for IBM i, that is supported.

But if you want to do LPM, that is not possible.This is of course very bad, one customer got stuck with it.
We are currently rebuilding, and that is only possible because we have so many ports there, otherwise you would have to delete connections, and that is not possible at all.

Link: https://www.ibm.com/support/pages/lpm-validation-errors-hscla27c-hscl400a-hscla29a-os-rc-80-aix-npiv-client


Use Case:

All systems using LPM and having a virtualized environment


Idea priority High
  • Guest
    Nov 5, 2021

    This function already exists.

    https://www.ibm.com/docs/en/power9/9009-42A?topic=planning-i-restrictions


    IBM i supports mapping the same physical Fibre Channel port to multiple virtual Fibre Channel adapters in the same IBM i client. All LUNs (disk or tape) that are associated to that physical Fibre Channel adapter must be unique so that there are no multi-path created within the same physical port. In order to use Live Partition Mobility (LPM) or remote restart capability, you can only map the physical port twice to the same IBM i logical partition. The VIOS must be at the version 3.1.2.0, or later and the HMC must be at a version 9.2.950, or later are required for the LPM and restart the logical partition with double mapped ports support.