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I have a somewhat-related question. Today, we have a single box with production and test libraries. It works, but is scary sometimes. During the next upgrade cycle (6-12 months away) we plan to either 1) upgrade to a bigger box to LPAR or 2) upgrade a little less and get a separate development machine. I am interested in a strategy to refresh the test database from production. I'm leaning toward DDM, but haven't used it before. Does it make near real-time updates, or batched? Can it be batched or periodic updates? We have some fairly large and high-volume files we would keep updated. I'm not looking toward a mirroring solution today, just a way to get data from a production machine/partition to a test machine/partition. TIA, Loyd -----Original Message----- From: Buck Calabro [mailto:Buck.Calabro@commsoft.net] Sent: Thursday, June 06, 2002 2:12 PM To: midrange-l@midrange.com Subject: RE: DDM experiences >I am looking for some feedback and/or >experiences with DDM files. Classic trade-off between 'fast to deploy', 'easy to use' and 'fast performance'. Pick any two and the other one suffers. >My previous experience using them >was so-so and at least 8 years >ago or so. 'So-so' doesn't really describe the issues you encountered. Fundamentally, DDM files are unchanged from S/38 days. There are a few more objects that DDM can use, but nothing mind-boggling. We have a low-volume in-house application that used to run on machine A. Then we got machine B and some developers sign on to that box exclusively. DDM files were the simplest answer to this conundrum (database on one box, programs on two.) When I say low volume, I mean a few hundred transactions a day. Hasn't needed changes since it was implemented 6 years ago. --buck _______________________________________________ This is the Midrange Systems Technical Discussion (MIDRANGE-L) mailing list To post a message email: MIDRANGE-L@midrange.com To subscribe, unsubscribe, or change list options, visit: http://lists.midrange.com/cgi-bin/listinfo/midrange-l or email: MIDRANGE-L-request@midrange.com Before posting, please take a moment to review the archives at http://archive.midrange.com/midrange-l.
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