{
  "id": 689094,
  "title": "[$] Block-layer error injection",
  "url": "https://urgent.news/2026/08/12/block-layer-error-injection",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-08-12T18:34:01.000Z",
  "source": {
    "name": "LWN",
    "slug": "lwn",
    "url": "https://lwn.net/Articles/1086344/"
  },
  "original_language": "en",
  "account": null,
  "summary": "Storage code has to cope with hardware that fails in inconvenient ways, but coaxing a healthy disk into producing those failures on demand, for testing, is usually not possible. The kernel provides several ways to inject block-layer I/O errors, but none of those can select the operation to fail, pick the status code to return, or target a disk directly without employing a stacked device on top.…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}