{
  "schemaVersion": 1,
  "evidenceType": "synthetic-arithmetic",
  "empirical": false,
  "units": {
    "transfer": "decimal TB (1e12 bytes)",
    "time": "power-on hours",
    "rate": "TB per 8760 power-on hours"
  },
  "cases": [
    {
      "label": "Same volume, continuous power",
      "readTB": 100,
      "writtenTB": 20,
      "powerOnHours": 8760,
      "annualizedTBPerYear": 120
    },
    {
      "label": "Same volume, half the power-on hours",
      "readTB": 100,
      "writtenTB": 20,
      "powerOnHours": 4380,
      "annualizedTBPerYear": 240
    },
    {
      "label": "52 complete 20 TB host reads",
      "readTB": 1040,
      "writtenTB": 0,
      "powerOnHours": 8760,
      "annualizedTBPerYear": 1040
    }
  ],
  "changedWorkload": {
    "before": {
      "readTB": 900,
      "writtenTB": 100,
      "powerOnHours": 43800
    },
    "after": {
      "readTB": 980,
      "writtenTB": 120,
      "powerOnHours": 44520
    },
    "lifetimeBefore": 200,
    "lifetimeAfter": 216.44204851752022,
    "recentInterval": 1216.6666666666667
  },
  "assumptions": [
    "Counters belong to the same physical drive and use the same units and scope.",
    "No counter reset, rollover, missing interval or replacement is present.",
    "The scan illustration reads 20 decimal TB from the device on each of exactly 52 passes.",
    "No failure probability, wear estimate or recommended scrub interval is calculated."
  ]
}