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Mikhail ChusavitinandClaude Sonnet 5 bb2a501a28 feat(sat): fan ceiling check + topology fan tiles

Repurpose the previously-unwired RunFanStressTest into RunFanCheck, a
Load-tier SAT test that drives stressapptest (CPU+memory) and, when a GPU
is present, a GPU burn to 100% simultaneously, then watches every fan
until none has climbed for ~60s. The observed peak RPM per fan is the
"ceiling"; it is persisted through the existing fan-observation store.

MSI G4201 / AMI MegaRAC exposes no host-side fan force (every OEM IPMI
command returns 0xc1; Redfish Thermal is GET-only), so load-driven ramp
is the closest safe equivalent. See
bible-local/decisions/2026-09-04-fan-ceiling-check.md.

- platform.ResolveFanMaxRPM: per-fan max with fallback (persisted peak ->
  peer peak -> current RPM), resolved in platform, not the view.
- platform.ErrTestNotApplicable: no load source or no fan sensors ->
  task lands as cancelled ("not applicable"), never failed, so an
  engineer never sees a false red. executeTaskWithOptions maps the
  sentinel; finalizeTaskForResult honours a pre-set TaskCancelled.
- Verdict FAIL only for a fan at 0 RPM / IPMI cr-nr under load.
- /topo: one small spinning square per fan, sized by RPM / resolved max,
  clickable through to a new "fan" component-detail type; per-fan status
  recorded to the component-status DB from the fan SAT summary.
- Wiring: /api/sat/fan/run route, "fan" task target, Load-page card,
  stress-mode Run All.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019VHG21rgTUiR1G3qFHTVmN

2026-09-04 10:35:34 +03:00

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bee — Project Bible

Project-specific architecture, decisions, and runtime contracts. Generic engineering rules live in bible/rules/patterns/.

Files

File	Contents
`architecture/system-overview.md`	What bee does, scope, tech stack
`architecture/runtime-flows.md`	Boot sequence, audit flow, service order
`architecture/squashfs-layers.md`	Semantic SquashFS layer model, ownership, order, verification
`docs/customer-gpu-test-methodology.md`	Customer-facing GPU PCIe Validate / Validate -> Stress test list
`docs/hardware-ingest-contract.md`	Current Reanimator hardware ingest JSON contract
`docs/validate-vs-burn.md`	Validate and Validate -> Stress hardware test policy
`decisions/`	Architectural decision log, including read-only submodule policy
`proposals/`	RFCs and contract change proposals for Reanimator Core

Validate Test Matrix

Validate

CPU check
- lscpu
- sensors
- stress-ng
TPM check (read-only)
- tpm2_getcap properties-fixed
- tpm2_getcap pcrs
- tpm2_pcrread
- tpm2_gettestresult (reads the existing result; does not start TPM2_SelfTest)
Memory check
- free
- timeout <timeout_sec> memtester
- free
NVMe storage check
- nvme id-ctrl
- nvme smart-log
- nvme device-self-test
SATA/SAS storage check
- smartctl -H -A
- smartctl -t short
Basic NVIDIA GPU check
- nvidia-smi -pm 1
- nvidia-smi -q
- dmidecode -t baseboard
- dmidecode -t system
- dcgmi diag -r 2
Inter-GPU communication check
- all_reduce_perf
GPU bandwidth check
- dcgmi diag -r nvbandwidth (per CPU socket, then all selected GPUs, on multi-socket systems -- see decisions/2026-07-27-nvbandwidth-per-socket-split.md)

Validate -> Stress

Extended NVIDIA GPU check
- nvidia-smi -pm 1
- nvidia-smi -q
- dmidecode -t baseboard
- dmidecode -t system
- dcgmi diag -r 3
NVIDIA targeted stress
- nvidia-smi -pm 1
- nvidia-smi -q
- dcgmi diag -r targeted_stress
NVIDIA targeted power
- nvidia-smi -pm 1
- nvidia-smi -q
- dcgmi diag -r targeted_power
NVIDIA pulse test
- nvidia-smi -pm 1
- nvidia-smi -q
- dcgmi diag -r pulse_test
Inter-GPU communication check
- all_reduce_perf
GPU bandwidth check
- dcgmi diag -r nvbandwidth (per CPU socket, then all selected GPUs, on multi-socket systems -- see decisions/2026-07-27-nvbandwidth-per-socket-split.md)
Fan ceiling check (Load tier / 3. Load only)
- stressapptest (or stress-ng) + bee-gpu-burn / rvs gst at 100%, run simultaneously
- ipmitool sdr type Fan sampled 1 Hz until every fan plateaus (~1 min flat) or the 15 min cap
- records each fan's observed peak RPM to /var/log/bee-sat/fan-observation.json (used by the Topology fan tiles); FAIL only on a fan at 0 RPM / IPMI cr-nr under load; cancelled ("not applicable"), never failed, if the host cannot be loaded or has no fan sensors
- see decisions/2026-09-04-fan-ceiling-check.md

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bee — Project Bible

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Validate Test Matrix

Validate

Validate -> Stress

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