- From: "Dirk Moolman" <DirkM@xxxxxxxxxxxxxx>
- Date: Thu, 4 Aug 2005 15:55:14 +0200
From: Sebastian, Norma J. [mailto:NormaJean.Sebastian@xxxxxxxxxxx]
Sent: Thursday, August 04, 2005 1:34 PM
To: marsd; Brian McLaughlin; informix-list@xxxxxxxx
Subject: RE: Migrating
>Why bother with dbexport/import?
>1) upgrade solaris 8 to 9, leaving Informix at 7.3
>2) upgrade Informix 7.3 to 9.4
>or perhaps the other way around (first upgrade IDS from 7 to 9, then >upgrade solaris).
>Informix upgrades are generally simple and painless. Last year we >migrated from solaris 8 to 9, and IDS 7 to 9. There was no need for >dbexport/import (didn't even wanna try on a 1+ TB system). Informix in->place upgrade took 30 minutes.
>From: owner-informix-list@xxxxxxxx [mailto:owner-informix-list@xxxxxxxx] On >Behalf Of marsd
>Sent: 04 August 2005 10:11 AM
>To: 'Sebastian, Norma J.'; 'Brian McLaughlin'; informix-list@xxxxxxxx
>Subject: RE: Migrating
>You are right. We can make thing easy or difficult.
>What is your advice if Brian is migrating to new machine (Solaris 9 and IDS >9.4) from current platform (Solaris 8 and IDS 7.31)?
Well, one option is to install the old version on the new machine, then restore a backup on the new machine, and then to the inplace upgrade on the new machine. You can play round with this a little, by restoring on the old version of the opsys, or going straight to the new version of the opsys, but the old version of IDS.
And if you want to change the layout of your database, install the old version, then populate across the network by switching off transaction logging, loading, enabling transaction logging, and then doing the inplace upgrade ......
sending to informix-list
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