{
  "aliases": [],
  "status": "research",
  "advantages": [],
  "limitations": [
    {
      "text": "Historical HDD scan-order results are not guarantees for SSDs or array data-loss rates.",
      "citationIds": [
        "oprea"
      ]
    }
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "slug": "staggered-scrubbing",
  "term": "Staggered scrubbing",
  "definition": "Staggered scrubbing is a scan-order strategy that visits segments across multiple disk regions before returning to subsequent segments in each region.",
  "note": "It aims to locate clustered damage earlier and then inspect the affected region; it is distinct from merely increasing scan frequency.",
  "related": [
    "data-scrubbing",
    "latent-sector-error"
  ],
  "citations": [
    {
      "id": "oprea",
      "title": "Oprea and Juels. A Clean-Slate Look at Disk Scrubbing. FAST 2010, sections 2, 4.2 and 6.",
      "url": "https://www.usenix.org/legacy/events/fast10/tech/full_papers/oprea.pdf",
      "accessed": "2026-10-11"
    },
    {
      "id": "schroeder",
      "title": "Schroeder, Damouras and Gill. Understanding latent sector errors and how to protect against them. FAST 2010, sections 2 and 5.",
      "url": "https://www.usenix.org/legacy/events/fast10/tech/full_papers/schroeder.pdf",
      "accessed": "2026-10-11"
    },
    {
      "id": "hesela-scrub",
      "title": "Hesela: Scrubbing, detection time and repair boundaries",
      "url": "https://hesela.com/analyses/scrubbing-detection-not-durability/",
      "accessed": "2026-10-11"
    }
  ]
}