[ZWeb] DISCUSS: Migration armageddon

Olivier Deckmyn odeckmyn.list@teaser.fr
Wed, 8 May 2002 09:11:58 +0200


> To facilitate this, Tres' team here wrote some migration scripts that
> try to express all the exceptional conditions and business rules for the
> transformation.  This migration script *used* to work.  It doesn't work
> now.  ChrisM spent two days trying to address this and ran into all
> kinds of nasty things.

It would be nice to have details about this. This would to take the good
decisions.

> Here's the challenge: we've now used up the allotted time for Chris and
> we can't migrate the czo content.

We have to :)

> It appears that these are some of the options:
>
> a. Wait (for an indeterminate amount of time) for Chris to become
> available again.

Or explain where the atomic problems are and have several people work on
theese atomic tasks ? As usual, we have to find volunteers :(
Could we have details on theese scripts ? At least source code ?

> b. Try to run nzo in parallel with czo and find someone to provide links
> between the two.

I hate this one.

> c. Somebody think up a different approach to migration.

IMHO, the best idea is a repeatable migration script.