Re: Upgrading Informix from Online engine to Dynamic Server
Posted in 1998
Eric_Melillo@agsea.com wrote:
>
> I would agree with John, that with some courses (around the time your going
> to upgrade) you can get
> it done. Read the migration guide for differences in sizing
> considerations, etc. Also, read the posts in this
> group (use DejaNews) regarding 7.X performance issues / fixes. You can get
> a lot of it taken care of using
> common sense, and good monitoring of the environment!
>
> BTW: we've done our upgrades slightly different than John -- we've tended
> to do "in place" upgrades. Either way
> will work...
>
> Eric P. Melillo
> Senior DBA
> Associated Grocers
> Seattle, WA
>
> carlson1@bellsouth.net on 01/20/98 01:39:32 PM
>
> Please respond to carlson1@bellsouth.net
>
> To: informix-list@rmy.emory.edu
> cc: (bcc: Eric Melillo/AGInc)
> Subject: Re: Upgrading Informix from Online engine to Dynamic Server
>
> Jane Vohden wrote:
> >
> > I have been talking with Informix about upgrading our site from the =
> > 5.xx Online engine to 7.2x Dynamic Server. They said there was no cost =
> > for the upgrade because we are on maintenance but they quoted us a =
> > consulting fee of $2000 per day plus expenses and said that most of =
> > their customers were using an Informix consultant to do the upgrade and =
> > then tune. I know some of you have been through that conversion. Did =
> > you use an Informix consultant? For how many days? What about a =
> > Bi-Tech consultant? How smooth was the transition? Were there any =
> > "gotchas" that we should be on the look-out for? Any info on this would
> =
> > be appreciated. Thanks.
> >
> We went from 5.0x to 7.12 with few problems. We never used a
> consultant. The upgrade consisted of dbexport, install 7.1x, bring
> engine up, dbimport. I was able to make a good guess of dbspace / table
> layouts based on our current system. The system required a bit of
> tuning, as 7.x is quite different from 5.x, but I went to various
> courses as well. Between them and OJT, we handled the situation quite
> nicely.
> John Carlson
> Informix DBA
> WH Smith, Inc.
The only reason we did the import/export was to attempt to organize the
tables. The original table layouts were a mess. Guess who got to clean
it up?? I guess it's job security
John Carlson
Informix DBA
WH Smith, Inc.