{
  "slug": "gcloud-backup-dr-backups-restore-disk-supports-individual-disk-restore-a6275629a2d6",
  "title": "gcloud backup-dr backups restore disk supports individual disk restore",
  "tools": [
    "gcloud"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-08-11T00:00:00.000Z",
  "announced_at": "2026-08-11T00:00:00.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "For a Compute Engine instance backup, restore one disk with `gcloud backup-dr backups restore disk`, specifying the boot-disk selector or the source data disk’s device name.",
    "examples": [
      "gcloud backup-dr backups restore disk <COMPUTE_INSTANCE_BACKUP_NAME> --name=<DISK_NAME> --target-project=<TARGET_PROJECT_NAME> [--source-instance-boot-disk | --source-instance-disk-device-name=<SOURCE_DISK_DEVICE_NAME>] [--target-zone=<TARGET_ZONE_NAME> | --target-region=<TARGET_REGION_NAME> --replica-zones=<ZONE_NAME>] [DISK_OVERRIDE_FLAGS...] [--async]"
    ],
    "gotchas": [
      "COMPUTE_INSTANCE_BACKUP_NAME (required): Name of the Compute Engine instance backup to restore from.",
      "--name (required): Name of the restored disk.",
      "--target-project (required): Project where the disk is restored.",
      "--source-instance-boot-disk: Selects the source instance boot disk. The restore guide presents this and the device-name flag as alternatives.",
      "--source-instance-disk-device-name: Selects a source data disk by its device name. The restore guide presents this and the boot-disk flag as alternatives.",
      "--target-zone: Zone where a zonal disk is restored; mutually exclusive with --target-region.",
      "--target-region: Region where a regional disk is restored; mutually exclusive with --target-zone.",
      "--replica-zones: Replica zone for a regional disk restore.",
      "[--source-instance-boot-disk | --source-instance-disk-device-name=...]: The guide documents these selectors as alternatives; it does not explicitly state whether one is required.",
      "The source is a Compute Engine instance backup.",
      "Docs conflict: The gcloud restore-disk reference last updated 2026-05-27 does not list the two source-instance flags in its syntax; the restore guide and release note document them later."
    ]
  },
  "why_it_matters": "Restore an individual disk from a Compute Engine instance backup.",
  "sources": [
    "https://docs.cloud.google.com/sdk/docs/release-notes#58000_2026-08-11",
    "https://docs.cloud.google.com/backup-disaster-recovery/docs/cloud-console/compute/disk-restore",
    "https://docs.cloud.google.com/sdk/gcloud/reference/backup-dr/backups/restore/disk"
  ],
  "rank": 0.96014,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v1+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "cloud-20261008",
    "verdict_id": "cloud-20261008:cloud-20261008-1b3c63b953a140ee-3:gate",
    "evidence_hash": "201f3ad00ec0bdb5f6486b9f16ef37e47a8ca605cf9720ed6de0b662bdd79129"
  },
  "review": {
    "draft_hash": "d75dd8933769e0d806deaaab09e5f004ed7a595a32c7ea382778231cdfea1318",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "cloud-20261008:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.96 >= 0.9; 2 needed) and Jev gave 0.63 (>= 0.6 needed)."
  }
}