• Subject: Re: Mirroring AS400's
  • From: Terry Herrin <therrin@xxxxxxxxx>
  • Date: Wed, 03 Nov 1999 19:57:50 -0500

Danny.Jahr@lawson.com wrote:
>The built in products that you could look at are data propagator and remote
>journaling.  Lakeview uses journaling to mirror.  It seems that you could
>journal the files on both machines and after they are both online chain to the
>files and add, delete or update based on journal information.

This is how OMS works from Vision Solutions.  Doing this in one
direction, from a source to a target, is no problem.  But to allow
simultaneous asynchronous updates on two different machines, then try
to synchronize the two systems back together again after the fact
brings up a whole ton of issues.  If Lakeview can do this, then my
hat's off to them.

Terry Herrin
Sr. Programmer/Analyst
New Hanover Regional Medical Center
Wilmington, NC
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