• Subject: Re: Mirroring AS400's
  • From: Terry Herrin <therrin@xxxxxxxxx>
  • Date: Tue, 02 Nov 1999 20:15:42 -0500

Christina Beneteau wrote:
> original database.  After the backup and nightly processing then these
> databases would need to be brought back into sync.  There would be
> changes in both databases, is there such a thing as two way mirroring?
> Has anyone done this?  I have been told that in order for us to change

Christina,
We use Visions Solutions' OMS/Gold Suite to mirror our AS/400 to an
identical backup system.  We do use the backup system to perform tape
backups each night, eliminating that downtime for our users.  However,
you are also talking about having updates happening on both systems at
the same time, then bringing those two databases back into
synchronization after the fact.  It also looks like you would have
users updating one of the databases at the same time as the resynch,
since your primary system would be up and running for the users.
Personally, knowing what I know about mirroring from the last few
years of working with OMS, I can see no practical way of accomplishing
what you are asking.  I know for a fact OMS can't do what you are
asking, so you needn't bother calling Vision Solutions.  Perhaps one
of the other two "big three" HSA companies can help, but I doubt it.

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