{
  "slug": "ana-group",
  "term": "ANA group",
  "aliases": [
    "Asymmetric Namespace Access group"
  ],
  "definition": "An ANA group is a set of NVMe namespaces whose ANA access states change together for a given controller.",
  "note": "ANAGRPID identifies the group within an NVM subsystem. The same group can have different ANA states through different controllers; a group is not a physical path or an independent failure domain. [base23]",
  "related": [
    "asymmetric-namespace-access",
    "namespace-nvme"
  ],
  "citations": [
    {
      "id": "base23",
      "title": "NVM Express Base Specification 2.3 (1 August 2025), section 8.1.1: Asymmetric Namespace Access. Pinned edition, not a claim about the latest revision.",
      "url": "https://nvmexpress.org/wp-content/uploads/NVM-Express-Base-Specification-Revision-2.3-2025.08.01-Ratified.pdf",
      "accessed": "2026-10-15"
    },
    {
      "id": "hesela-paths",
      "title": "Hesela: NVMe multipath: ANA access states and Linux path policies",
      "url": "https://hesela.com/analyses/nvme-multipath-ana-path-selection/",
      "accessed": "2026-10-15"
    }
  ],
  "status": "shipping",
  "advantages": [],
  "limitations": [],
  "supersedes": [],
  "supersededBy": [],
  "firstSeen": null,
  "lastSeen": null,
  "updated": "2026-10-15"
}