Well i am coming from 1.3.9h originally, so i think i am posting the question in right place.
I had 1.39h zen-cart with 6-7 addons. Some addons were requiring core files modifications, some we are not using anymore, and we need a cleanup.
Last autumn I did the db upgrade to 1.5.0. then upgraded addons. everything is working.
Now..
I would like to have my upgraded database to use zen-cart files from clean install of 1.5.1.
I will write my steps here, the last one is confusing me because this is an active 24/7 site and i have to have as less downtime as possible.
1. make a copy of database.
2 take a fresh 1.5.1 files in some different folder A.
3. make a database upgrade from 1.5.0 to 1.5.1
4. connect this new upgraded database with new 1.5.1 files within folder A
5. install new theme
6. install addons.
7. setup store settings from existing store. All within folder A
Now... last step is replacing the old folder files with files from folder A.... and until i will do all this steps....in real store database there will be more registered people, and more orders.
7. How do i make the database switch work without loosing this new orders and new customers and having maximum couple hours of a down time?
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