[Zope] Upgrading from 2.7.6 to 2.8.1

[Kris Adcock]

Afternoon all,

I'd like to upgrade our Zope/Plone/CMFPhotoAlbum/etc installation from 
2.7.6 to 2.8.1. I'm having trouble performing the upgrade - I couldn't 
find any instructions on how to do it, and my attempt at a fresh install 
followed by a copy-over of the "var" and "Products" folders resulted in 
failure.

Is there a document around that I've missed that describes what I should do?

I'm also hoping that any help with this problem will indicate what the 
"important" files are in a Zope installation. This is because I need to 
make sure I have backups all sorted so that I can easily do a restore 
if/when the server goes bang. We're using Zope+Plone+others as our 
attempt at a new library, and so far the data weighs in at around 250 gig!

The server is a HP ProLiant rackmount unit, driving a 8TB iSCSI storage 
unit, running Suse Linux 9.3 Pro.

All the best, and thanks in advance,

Kris.
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