It may have been your admin had to add a server authentication entry.

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of John Yeung
Sent: Wednesday, August 26, 2015 3:37 PM
To: Midrange Systems Technical Discussion
Subject: Re: Calling a remote program

On Wed, Aug 26, 2015 at 5:05 PM, Darryl Freinkel <dhfreinkel@xxxxxxxxx> wrote:
There is no configuration required for DDM.

If you can FTP to the other LPAR, you can use DDM.

Are you sure? A coworker of mine said she needed our admin to set something up for her before she could get DDM to work (though she had been using FTP with no problems prior to that). Now, I don't know if that means she didn't have the required authority, or if she simply didn't have the necessary expertise/knowledge.

In my case, I absolutely did not have the knowledge. With the information in this thread, I have just now been able to get an RPG program on one LPAR to read and update a file on a different LPAR using a DDM file wrapped in a CL (for the OPNDBF and OVRDBF commands).

At this point, I still don't know what our admin did, so I still don't know if what he did for my coworker is what allowed my test to work just now, or if I could have always done this same test even before he did his thing.

It's simple. Use command CRTDDMF and F4. Enter the file name and library, system name and connection type, *IP.

You can read, write and update the target file.

In my opinion, it's not as simple as you make it sound. I can't just treat the unadorned DDMF as though it were a PF or table. Now *that* would be simple. But I suppose it's simple enough the way it is.

So yeah, DDM is an option.

John Y.
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