Everyone loves building shiny, new systems using the latest technologies and especially the most modern DevOps tools. But that’s not the reality for lots of operations teams, especially those running larger systems with millions of users and old, complex infrastructure.
It’s even worse for teams taking over existing systems as part of company mergers, department consolidation, or changing managed service providers (MSPs). The new team has to come in and hit the ground running while keeping the lights on using a messy system they know nothing about.
We’ve spent a decade doing this as a large-scale MSP in China, taking over and managing systems with 10 million to 100 million users, usually with little information. This can be a daunting challenge, but our four-phase approach and related tools make it possible. If you find yourself in a similar position, you might benefit from our experience.
Read more at OpenSource.com