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obsidian-vault/200 projects/220 Web Host Migration/Phase 0 — Pre-flight.md

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---
created: 2026-08-28
modified: 2026-08-28
type: plan
client: sam
project: web-host-migration
status: pending
priority: 1
tags:
- migration
- aws
- backup
aliases:
- phase-0-preflight
id: 1848129018-P0
---
# Phase 0 — Pre-flight (read-only, no changes)
> Part of [[Migration Plan — InMotion to Local + AWS Offsite]].
> **Nothing here changes any system.** All checks are read-only.
## Goal
Confirm prerequisites so Phase 1 (AWS offsite) can proceed without surprises.
## Checks
- [ ] **AWS account exists** → fresh signup at https://aws.amazon.com (need root MFA + billing + phone). ✅/⏳
- [ ] **Region set** → `ap-southeast-2` (Sydney) in console region selector.
- [ ] **`.13` network can reach AWS** — no egress proxy/firewall blocking HTTPS to S3. Test: `curl -sI https://s3.ap-southeast-2.amazonaws.com`.
- [ ] **Total offsite media size** — confirm what must go cold (Site media + Immich ~472G + archives). `du -sh` per path → refine cost model.
- [ ] **Existing backup inventory confirmed** — Borg local `.13` (daily 04:00), rsync→`.35`(05:00), archive→`.23`(06:00). These stay as-is; AWS is additive.
## Output
- Approved list of source paths for offsite seeding.
- Confirmed AWS region + account login ready.
- Go/no-go for Phase 1.
---
*Work-in-progress log for this phase tracked in [[Migration Work Log]].*