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freedom-intelligence/docs/decisions/2026-09-13-scaleway-object-reserve.md
tegwick a78187c33e Make the sensing loop durable and pin the reserve to Scaleway 
The weekday brief only counts when the file is on origin/main. Hub
events without git objects are failures. The open-weight SoT moves
from the VAULT 850 GiB quota to a dedicated Scaleway bucket (One Zone
IA for R, Glacier for S) so V4-Flash and K3 are economically in-scope.

Catalogs the real DeepSeek-V4-Flash-0731 (MIT ~167 GiB MoE, not 12B)
and nominates Qwen3.8-27B. Bucket create remains FI-WP-0004-T08.

Assistant: grok
Assistant-Session: 01a09c6a-1cfc-75b1-a78d-c13eaf22241d
2026-09-13 22:45:43 +02:00

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Decision: Scaleway object storage as the open-weight reserve

Date: 2026-09-13
Status: accepted
Affects: docs/backup-storage-policy.md, inventory/collection-policy.md, docs/hardware-envelope.md, scripts/collect_model.py, FI-WP-0004
Supersedes (storage backend only): docs/decisions/2026-07-24-nas-strategic-reserve.md § storage facility. The capability-first rule from that decision stands.

Decision

  1. Source of truth for weight blobs is a dedicated Scaleway Object Storage bucket in nl-ams, operated as reef-storage, consumed by this repo. Git still holds catalog metadata only.

  2. VAULT HD (D:\vault\coulomb\freedom-intelligence\) is staging and optional local R-spine cache. It is not the strategic envelope.

  3. Storage class follows tier:

    • R (runnable spine): One Zone IA — cheap, GET is immediate.
    • S (strategic): Glacier — cheapest just-in-case; restore cost and latency are acceptable.
    • W: only with euro-budget headroom; One Zone IA or Glacier by size.

  4. Capacity gate is euros/month, not a 850 GiB disk quota. The 850 / 920 GiB numbers were a 1 TB NAS artifact. Usage-based object storage removes that wall. Soft infrastructure budget: €15 / month (ex VAT) for this bucket. Founder Scaleway billing alert remains the hard backstop (RESOURCE-WP-0002).

  5. Do not reuse railiance-platform-pg-backup. That bucket expires objects at 30 days. Model weights must not.

Why Scaleway (economics)

Org already selected Scaleway over Hetzner / Host Europe for S3 (resource-control RESOURCE-WP-0002, 2026-08-14). Same project, same failure domain independence from Host Europe railiance01.

Prices from Scaleway storage pricing as of 2026-09-13, ex tax:

Class € / GB-month 45 GiB (R spine) 167 GiB (V4-Flash) 1454 GiB (Kimi K3)
Multi-AZ Standard ~0.0146 €0.66 €2.44 €21.23
One Zone IA ~0.012 €0.54 €2.00 €17.45
Glacier ~0.00254 €0.11 €0.42 €3.69

Glacier restore to Standard is €0.009/GB (V4-Flash restore ≈ €1.50; K3 restore ≈ €13). Ingress is included. Egress is 75 GB/month free, then €0.01/GB — relevant when we actually pull a giant to a GPU host, not when we park it.

Portfolio that the 850 GiB NAS could not hold:

Item Class Est. monthly
R-spine resident (One Zone IA) R €0.54
DeepSeek-V4-Flash-0731 (Glacier) S €0.42
Kimi K3 official tree (Glacier) S €3.69
Total ~€4.65

That is inside the €15 soft budget with room for a second compressed giant or a Qwen3.8-27B R upgrade. Buying another multi-TB disk to fit K3 would spend the same money in a year and stay on the workstation failure domain.

VAULT remains useful: sequential staging for huggingface_hub downloads, and a local copy of the R-spine if the workstation is doing inference. It is no longer the thing INTENT means by “reserve.”

Bucket contract

Field Value
Provider Scaleway Object Storage
Region nl-ams
Endpoint https://s3.nl-ams.scw.cloud
Bucket (planned) railiance-fi-open-weight-reserve
Reef attributes reef-storage/substrate/object-stores/fi-open-weight-reserve.yaml
Public access disabled
Versioning on
Object expiry none
Lifecycle strategic/ → Glacier after 1 day
Encryption provider-managed at rest
Identity bucket-scoped key, not the postgres backup key
Secrets railiance-platform / OpenBao — never this git repo

Prefix layout

s3://railiance-fi-open-weight-reserve/
├── models/{org}__{name}/{revision}/     # R / W  (One Zone IA at PUT)
├── strategic/{org}__{name}/{revision}/  # S      (Glacier via lifecycle)
├── companions/
├── staging/                             # incomplete uploads; purge after 14d
└── manifests/{org}__{name}/{revision}/MANIFEST.json

Each prefix maps to one catalog YAML. collection.storage_path is the s3:// URI, not a VAULT path.

What stays from 2026-07-24

  • Run envelope ≠ reserve envelope.
  • License and integrity first.
  • Catalog in git, blobs off git.
  • No public mirror, no closed weights.
  • R-spine always kept; S is a small number of top open identities.

What changes

Before After
Facility = workstation VAULT HD Facility = Scaleway nl-ams
Soft quota 850 GiB Soft budget €15/month
K3 deferred on capacity K3 economically in-scope on Glacier
V4-Flash uncollectable-as-12B V4-Flash (~167 GiB MIT MoE) is the first S pull

Follow-ups

  • FI-WP-0004-T01 this file
  • FI-WP-0004-T08 operator creates the bucket
  • FI-WP-0004-T09 first collect: DeepSeek-V4-Flash-0731
  • resource-control inventory record (optional; FI consumes, resource-control costs)