Multiple instances of Informix

Does anybody know of "cookbook" type guide that goes over how to set up multiple instances of Informix on a UNIX (HPUX) machine? We are attempting to do some development work and can't afford an additional server for the dev work. HOwever, we want to make sure that the dev work does not pull our production instance down... Any help would be appreciated. George Sent via Deja.com http://www.deja.com/

mojo_man21117@my-deja.com writes: > Does anybody know of "cookbook" type guide that > goes over how to set up multiple instances of > Informix on a UNIX (HPUX) machine? We are > attempting to do some development work and can't > afford an additional server for the dev work. > HOwever, we want to make sure that the dev work > does not pull our production instance down... Basically, you'll create multiple c{on|tb}onfig files and set your {ON|TB}CONFIG environment variable according to which instance you wish to access. -- Forte International, P.O. Box 1412, Ridgecrest, CA 93556-1412 Ronald Cole <ronald@forte-intl.com> Phone: (760) 499-9142 President, CEO Fax: (760) 499-9152 My GPG fingerprint: C3AF 4BE9 BEA6 F1C2 B084 4A88 8851 E6C8 69E3 B00B

mojo_man21117@my-deja.com wrote in message <94i76s$8hu$1@nnrp1.deja.com>... >Does anybody know of "cookbook" type guide that >goes over how to set up multiple instances of >Informix on a UNIX (HPUX) machine? We are >attempting to do some development work and can't >afford an additional server for the dev work. >HOwever, we want to make sure that the dev work >does not pull our production instance down... > I answered something like this on 15 Jan 2001 - thread name: "9.21 Peer Installation" although you won't need multiple $INFORMIXDIR directories. Read the Administrator's Guide for the Online engine. There is a chapter called "Multiple Residency" and it's quite straight-forward. I've never worked on a machine in living memory with less than 2 engines on it, often of different versions.

We have 6 instances on our production machine. You need to keep your eye on memory usage. If possible keep the shared memory size low on your development engine. We don't have an HP machine but I'd guess guidelines are similar for most platforms. I'm sure you already know this, but Informix is a real memory and processing hog. You'll know pretty quick if you're impacting your production engine. One word of caution - if your development instance is a reasonable image of your production instance your programmers are going to have to be VERY careful. It's so easy to be accessing the production instance by accident when tables, dbspaces, etc. are the same. Sorry to say, we learned this one the hard way. In article <3a6cc160$1@news.iprimus.com.au>, "Andrew Hamm" <ahamm@sanderson.net.au> wrote: > mojo_man21117@my-deja.com wrote in message <94i76s$8hu$1@nnrp1.deja.com>... > >Does anybody know of "cookbook" type guide that > >goes over how to set up multiple instances of > >Informix on a UNIX (HPUX) machine? We are > >attempting to do some development work and can't > >afford an additional server for the dev work. > >HOwever, we want to make sure that the dev work > >does not pull our production instance down... > > > > I answered something like this on 15 Jan 2001 - thread name: "9.21 Peer > Installation" although you won't need multiple $INFORMIXDIR directories. > > Read the Administrator's Guide for the Online engine. There is a chapter > called "Multiple Residency" and it's quite straight-forward. I've never > worked on a machine in living memory with less than 2 engines on it, often > of different versions. > > Sent via Deja.com http://www.deja.com/

Thanks for the info all! Appreciate it. Sent via Deja.com http://www.deja.com/

On Mon, 22 Jan 2001 mojo_man21117@my-deja.com wrote: > Does anybody know of "cookbook" type guide that > goes over how to set up multiple instances of > Informix on a UNIX (HPUX) machine? We are > attempting to do some development work and can't > afford an additional server for the dev work. > HOwever, we want to make sure that the dev work > does not pull our production instance down... > FWIW, Chapters 5 and 6 of the Admin Guide (v7.31) covers what Informix calls "Multiple Residency". (I posted a similar question a few weeks back but found these chapters later.) Thank you, Lucky Lucky Leavell Phone: (800) 481-2393 or (812) 366-4066 UniXpress - Your Source for SCO FAX: (888) 231-9640 or (812) 366-3618 1560 Zoar Church Road NE Email: lucky@UniXpress.com Corydon, IN 47112-7374 WWW Home Page: http://www.UniXpress.com