• Subject: Re: Mirroring AS400's
  • From: bbabino <bbabino@xxxxxxxxxxx>
  • Date: Tue, 09 Nov 1999 06:58:42 -0800
  • Organization: NBTel

Mimix is a very good product but be prepared for major headaches. It is a very
complicated solution a requires a great deal of planning and consultation. Also 
be
aware that it will not give you 100% uptime. All users must still sign off the
system to set a bookmark in the journal ( try to find that out in any
documentation) so come backup time you will be down for about 20 min. depending 
on
how fast you can get the users off.. Also any programs that do deletes instead 
of
clears will have to be rewritten etc... Don't get me wrong this is about as 
good as
there is out there but go in prepared.

Brian Babineau
BBabineau Consulting
bbabino@nbnet.nb.ca

Barry Kolochuk wrote:

> Christy there is a company called Lakeview Technologies who have a very good
> product call MIMIX 400 for Mirroring AS400's. I am currently not using them 
>but
> am sorry now I didn't. You can get to them via their web site at
> WWW.PRAXISINT.COM or WWW.LAKEVIEWSOLUTIONS.COM.
>
> Barry
>
> Christina Beneteau wrote:
>
> > Christy
> >
> >         We are in the process of determining the best way to accomplish
> > 24 hour access to our AS400.  Currently access is denied for about 4
> > hours a night.  This is due to system backup and nightly processing jobs
> > such as billing.  At month end we have about 12 hours of down time for
> > the users.  While some of the restriction of access is due to nightly
> > back up over half of the time is because of our ERP solution, BPCS.
> >
> >         I have been looking into how we could mirror the database.  Once
> > mirrored then unlink them so that backup and nightly processing could be
> > ran over the mirrored database.  Data changes would continue in the
> > 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
> > the database that the application is running over that we would need to
> > use ASPs.  I have had a hard time finding people that have actually done
> > this.  Any possible solution that I have seen approaches it either from
> > the software or hardware side but not using a combined approach.  I
> > appreciate any comments anyone has on this.  Thanks.
> >
> >         Christy Beneteau
> >         Intermatic
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