On Tue, May 1, 2012 at 10:12 PM, Mark Post <mpost@suse...> wrote:
>>> On 5/1/2012 at 03:38 PM, Bruce Lightsey <Bruce.Lightsey@ITS....>
> > Our storage guy asked about NPIV and WWPN names - all I could do was
> give him
> > my best dumb look ( I'm a dba, not a sysadmin or systems programmer ).
> > what should we expect ? I don't think networking or CKD dasd will be an
> > issue but I have no idea how the SAN will react to having a different
> > mainframe replacing the one it knows.
> You should expect that everything that the SAN sees will be different.
> The mainframe should see exactly the same things it does now, assuming the
> SAN administrator is able to figure out what the new WWPNs for the z114 are
> going to be. That would be a tedious job if it weren't a push-pull. Since
> it is a push-pull, I'm not sure how they 're going to be able to do it in a
> reasonable amount of time.
Also, the NPIV definitions need to be carried from the old LPAR to the new
one. Have a look at the "WWPN tool" (from Resource Link) It should help
preparing the definitions that allow the SAN changes to be made before the
machine is there.