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Message: #00818

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[EP-tech] Upgrading from 3.0.5

Hi,
What is the recommended path for upgrading from EPrints 3.0.5 to the newest stable version for a fairly large repository (> 50000 documents)? 

I can see the following options:

1) Apply all the minor upgrades in order:

3.0.5->3.1.0
3.1.0->3.2.0->3.2.1->3.2.2->3.2.3->3.2.4->3.2.5-> 3.2.6->3.2.7->3.2.8->3.2.9
3.2.9->3.3->3.3.5->3.3.6->3.3.7->3.3.8->3.3.9->3.3.10

2) Apply just the major version upgrades:

3.0.5->3.1.0
3.1.0->3.2.9
3.2.9->3.3.10
3) Install the newest version from scratch, then export/import all documents (and apply customizations)
Which of these options are feasible? Which are the safest and which would take the least amount of effort? 

Regards,
Jan Ploski