You are basically on track with the changing the tagged load source resource. Other than that nothing needs to be done.

As to the remaining disks don't use ASP BAL for that instead in Service tools first add all the new disks but DO NOT balance. (Rare time when you do not want to balance.) Once they are added then select all the old disks and remove them.

The system now moves all date from old to new storage while the system is operational. WHen those disks are empty they become unconfigured.

ONE WARNING! After you have copied the load source that OLD load source will be available as a disk to add to the ASP. You want NOT to do that of course as it is one of those you're moving off from. So know the DD number AND serial number of that critter!!

- Larry "DrFranken" Bolhuis - Personal Development IBM i timeshare service. - Commercial IBM i Cloud Hosting.

On 1/23/2020 1:44 PM, Mitchell, Dana via MIDRANGE-L wrote:
Currently all of our i lpars are running on external storage behind 2 VIOs in each box and we need to migrate to new external storage subsystems. A while back I opened a PMR to IBM asking about migrating the load source and there was a short discussion here about this kc article:

Is there a different kc article that addresses doing this with external storage? This one has a step:

Move the replacement disk unit.
1. Move the replacement disk unit that contains the load source information into the slot where the old load source disk unit (unit 1) originally resided.

Isn't that sort of a moot point since all the ldevs are vio hosted on external storage? Perhaps just need to update the Tagged IO to the new adapter that the new load source is attached to?

Also, is there a kc article that outlines moving all of the non-load source volumes? Or is there nothing more to it than STRASPBAL *ENDALC and *MOVDTA?


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