HP3000/Image to Linix Red Hat/Oracle Back End

[Richard Witkopp]

I was involved in a migration on VMS from ISAM files just to DEC Rdb, their relational database at the time. We were going to stay on the same operating system.

It was a huge project that lasted over three years that ultimately was a failure because the new system wasn't properly stress-tested. I would say that no matter how simple it may seem, (a switch to x86 Linux does not seem simple to me) it will take a lot more work than you expect. My suggestion would be to try to split off a minor subsystem that uses a couple dozen programs as a pilot project. That would tell you a lot about how the rest of the project might go.

-----Original Message-----
From: powerh-l-bounces+rwitkopp=phxa.com at lists.sowder.com [mailto:powerh-l-bounces+rwitkopp=phxa.com at lists.sowder.com] On Behalf Of Adrian Hudson
Sent: Monday, February 20, 2012 7:19 AM
To: powerh-l at lists.sowder.com
Subject: HP3000/Image to Linix Red Hat/Oracle Back End

Hi All,

We are currently in the early stages of planning a migration from
vanilla TurboImage and Powerhouse plus a handful of Cobol programs to
Red Hat Linux and Powerhouse with an Oracle backend.

I've already read some of the available documents, concerning
migration, from the IBM 'Cognos' site and, indeed, I've been involved
in several similar projects in the past, but never to Linux.

I'd just like the board to share any experiences/pitfalls/things to
look out for in a migration to Linux and I would also like anyone to
share their experiences of the tools available/methods to unload an
Image database and reload/perform data type migration into Oracle (or
any RDBMS).

Plus if anyone is available for Contract work in the South of the UK
(quite near Brighton) I would like to hear from them.

Best wishes to you all,


Adrian
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