Field notes
Guides from migration floors
Short articles on inventories, hybrid latency, operator runbooks, and the discipline of leaving systems where they are.
When not to migrate yet
Cloud migration planning includes the discipline to leave systems where they are. Here are signals that a pause is the responsible call.
Runbooks operators will actually open at 02:00
A migration runbook that reads like a strategy memo will be ignored. Write for the person holding the keyboard.
Latency budgets when half the estate stays on-prem
Hybrid cutovers fail quietly when chatty services cross the boundary without a budget. Here is how we set and defend those numbers.
Wave zero: what to finish before the first cloud move
Most migration pain is invented in the weeks before wave one — missing inventories, unclear exit criteria, and optimistic assumptions about shared directories.