Cloud Migration
How to Migrate Drupal Off a Proprietary Hosting Platform
The instinct is to start with the destination. Pick a cloud, stand up a server, move a site, see how it goes. That works for one site and fails for an estate, because the thing that makes an estate migration succeed is b...
The Drupal Migration Factory Approach
The word factory does real work here. It is not a claim about scale or speed. It is a claim about where the cost sits: in a factory the expensive part is building the line, and each unit that follows is cheaper than the ...
Drupal Cutover and Rollback Strategy
The moment a site changes address is the only part of a migration the organization actually experiences. Everything before it is preparation and everything after is stabilization, but the cutover is what gets remembered....
Drupal Migration Waves: Sequencing a Large Estate
Waves exist for one reason: so that migrating the fortieth site is easier than migrating the first. Everything else about the model follows from that, including the parts that look like project management overhead and ar...
Drupal Site Complexity Assessment
Everything else in an estate migration depends on this. Sequence, effort, test depth, rollback design, staffing and acceptance criteria all follow from knowing which sites are alike, and none of them can be planned hones...