Re: Replication on INFORMIX ?

Posted in 1997

David Williams — Sat, 13 Dec 1997 00:23:12 +0000 — source: Informix-list mailing list archive (1991-1998)

In article <66musu$8rr@cssun.mathcs.emory.edu>, Clem Akins <clem@informix.com> writes >Bharat asks: >[...] >my quez are : (as seen at page 236, Unleashed Informix by John Mc.Nally, >Glenn Miller, SAMS Publishing) >[...] >>do we need this .... I mean actually this is a mirroring ... not a >>replication enginee ... right? > >Had you bought Carlton Doe's book, the "Informix-OnLine Dynamic Server >Handbook", you'd know that "Unlike disk mirroring...Replication creates >and maintains a complete copy of an instance on a separate physical >server." > Any chance of a paragraph on this book for the FAQ? >>and also in replication ... we need not to replicate the whole database ... >>only some tables ...and also the hardware and o/s are different ... .... >> as I have seen in other databases ) >>so any idea about this ... ? ... someone please help me on this ... > >You can do this several ways: > > Informix Enterprise Replication (formerly Continuous Data Replication) > Praxis OmniReplicator > Application code > >But NOT with High Availability Data Replication, formerly called just >replication, and evidently described in the Sams book. > >>I already tried to get contact with the informix guys ... and also the >>distributor here ...but they' were giving me quite funny answer and asking >>more time for further answers ... > >Did you read the Informix web site? I found 100 hits on the word >"replication", >the first of which was a white paper on Enterprise Replication. > >Did you search the Informix documentation for information? A quick search >revealed 54 occurrences of the word "replication", including a chapter of the >Administration Guide entitled "What is Data Replication." > >Informix offers a course in Enterprise Replication. It is not trivial to >configure, and can require application changes. I heartily recommend the >course to people who are interested in replication. > >>what I need to know is : >> - could we replicate some tables only >> - do we need identical machine, o/s, equal space, etc >> - how to do the setup ... we this this quite soon .. very soon > >And those actions would answer your questions. > >___________________________________________________________ >Clem Akins (aka clem@informix.com) >Informix Software, Inc (Standard disclaimers apply) >International Technical Support >Last seen: Dodging hail, rain, and flood in Menlo Park. -- David Williams