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      "fio_job_runtime_ms": 10000
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  ],
  "cleanup": [
    {
      "kind": "dataset_deleted",
      "utc": "2026-09-20T17:48:56.517550+00:00",
      "name": "BigTank/agent-bench-20260920-1745"
    },
    {
      "kind": "dataset_deleted",
      "utc": "2026-09-20T17:51:27.104162+00:00",
      "name": "ai-pool/agent-bench-20260920-1745"
    },
    {
      "kind": "dataset_deleted",
      "utc": "2026-09-20T17:54:54.589497+00:00",
      "name": "Backup10T/agent-bench-20260920-1745"
    }
  ],
  "errors": [],
  "started_at": "2026-09-20T17:45:56.556040+00:00",
  "preflight_temperatures": {
    "sdg": 58,
    "sdh": 55,
    "sdi": 43,
    "sdj": 54,
    "sdf": 34
  },
  "completed_at": "2026-09-20T17:54:58.738007+00:00",
  "final_health": "all pools are healthy\n",
  "final_temperatures": {
    "sdg": 58,
    "sdh": 55,
    "sdi": 44,
    "sdj": 54,
    "sdf": 35
  },
  "limitations": [
    "Physical-counter time brackets include process startup and potentially ~4 seconds of SMART polling overhead; fio runtimes determine throughput/IOPS.",
    "4GiB bounded one-pass sequential workloads; flush-complete writes, not indefinite steady-state SSD writes beyond device cache.",
    "One fio process, psync QD1; does not measure maximum parallel throughput/IOPS.",
    "Live production services continued; disk and ARC counters include background activity.",
    "All comparison datasets use128KiB recordsize; real dataset recordsize/compression/sync choices differ.",
    "Buffered writes end with fsync; random writes fsync each operation. No direct-write verification artefact.",
    "Warm ARC measurements use RAM; no installed L2ARC to test.",
    "Temperature stop threshold60C was a conservative test guardrail, not a manufacturer failure specification.",
    "Disk byte counters prove data path; request-based ARC hit ratios are influenced by metadata/prefetch and are not byte hit rates."
  ]
}