The War Room: Capstone Simulation
Every section before this one built one piece of the migration in isolation and handed you an artifact: a workload inventory, a TCO calculator, a reconciliation stack, an ABAC tag taxonomy, a go/no-go decision matrix, a rehearsed rollback. This section doesn’t introduce a new technique – it puts you in the room where all of them get used at once, under a clock, on a system where a $50M revenue line is the thing that breaks if you get it wrong. That’s the actual job: not building any one piece perfectly, but making a defensible call when the pieces disagree and the steering committee is waiting on an answer.
The scenario runs across five lectures as one continuous simulation – the system profile, the matrix you walk in with, a live variance that has to get resolved inside the window, a rollback decision under pressure, and the capstone deliverable that closes out the course.
flowchart TD
A["Go/No-Go Matrix Review"] --> B{"All gates green?"}
B -- No --> C["Hold cutover, remediate"]
C --> A
B -- Yes --> D["Execute Cutover"]
D --> E["Live Reconciliation Monitoring"]
E --> F{"Variance detected?"}
F -- No --> G["T+24 / T+48 checkpoints clean"]
F -- Yes --> H["War Room: Row-by-Row Drill"]
H --> I{"Root cause fixed\nwithin window?"}
I -- Yes --> E
I -- No --> J["Execute Rollback:\nBackfill + Reconcile"]
G --> K["T+72 Steering Committee Sign-off"]
K --> L["Decommission Legacy"]
J --> M["Legacy Resumes as\nSystem of Record"]
Lectures
| # | Lecture | Est. Read |
|---|---|---|
| 1 | The Scenario: 50TB Oracle EDW, 500 Procs, 200 Reports, $50M Line | 3 min read |
| 2 | The Go or No-Go Decision Matrix | 3 min read |
| 3 | The 48-Hour War Room: Live, No-Go, or Rollback | 3 min read |
| 4 | The Rollback Panic | 3 min read |
| 5 | Your Capstone Deliverable and Course Wrap | 3 min read |
| 6 | Check Your Knowledge | Quiz |
| ← Previous: Check Your Knowledge | Next: The Scenario: 50TB Oracle EDW, 500 Procs, 200 Reports, $50M Line → | |:—|—:|