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2026-04-29 23:30:30 +00:00
# Scenario: Before/After Migration Comparison
## Description
Compare a pre-cutover host snapshot against a post-cutover snapshot and determine whether the migrated system is ready for production traffic.
## Commands
```bash
cd migration-validation-framework
python3 cli.py compare examples/before.json examples/after.json --output /tmp/migration-diff.json
```
## Expected Result
- The command writes a JSON diff.
- The result is `FAIL` because `sshd` is failed after migration.
- The risk assessment highlights the `/var` disk usage increase.
- The remediation path is to restore SSH and reduce or expand `/var` before approving cutover.