{
  "slug": "protection-information",
  "term": "Protection information (PI)",
  "aliases": [],
  "definition": "SCSI/NVMe metadata tags per logical block for end-to-end guard checks in enterprise arrays.",
  "note": "",
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "related": [
    "end-to-end-data-protection",
    "sas",
    "nvme"
  ],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "citations": [
    {
      "id": "c1",
      "title": "Protection information (PI)",
      "url": "https://en.wikipedia.org/wiki/SCSI",
      "accessed": "2026-03-26"
    }
  ]
}