minio/docs/xl-file-json.md

file.json

file.json is a special file captured and written by XL storage API layer to interpret, manage and extract erasured data from multiple disks.

{
    "version": "1.0.0",
    "stat": {
        "size": 24256,
        "modTime": "2016-04-28T00:11:37.843Z",
        "delete": false,
        "version": 0
    },
    "erasure": {
        "data": 5,
        "parity": 5,
        "blockSize": 4194304
    ],
    "minio": {
        "release": "RELEASE.2016-04-28T00-09-47Z"
    }
}

JSON meaning.

• "version" // Version of the meta json file.

• "stat" // Stat value of written file.

  • "size" // Size of the file.
  • "modTime" // Modified time of the file.
  • "deleted" // Field to track if the file is deleted when disks are down.
  • "version" // File version tracked when disks are down.

• "erasure" // Erasure metadata for the written file.

  • "data" // Data blocks parts of the file.
  • "parity" // Parity blocks parts of the file.
  • "blockSize" // BlockSize read/write chunk size.