Delta Backups failing again XOCE. Error: Missing tag to check there are some transferred data

[acebmxer]

I on commit a4410

Backup seam to break during one of the commits yesterday. I have not tried to run a full backup as of yet.

[olivierlambert]

Let me ping @Bastien-Nollet

[pierrebrunet]

@acebmxer Hi, thank you for the feedback!
Could you provide the log file please?

[acebmxer]

@pierrebrunet

 {
      "data": {
        "type": "VM",
        "id": "b25a5709-f1f8-e942-f0cc-f443eb9b9cf3",
        "name_label": "SeedBox"
      },
      "id": "1756290916238",
      "message": "backup VM",
      "start": 1756290916238,
      "status": "failure",
      "tasks": [
        {
          "id": "1756290916244",
          "message": "clean-vm",
          "start": 1756290916244,
          "status": "success",
          "warnings": [
            {
              "data": {
                "path": "/xo-vm-backups/b25a5709-f1f8-e942-f0cc-f443eb9b9cf3/20250816T170026Z.json",
                "actual": 26680452096,
                "expected": 26680452608
              },
              "message": "cleanVm: incorrect backup size in metadata"
            }
          ],
          "end": 1756290917313,
          "result": {
            "merge": false
          }
        },
        {
          "id": "1756290917697",
          "message": "snapshot",
          "start": 1756290917697,
          "status": "success",
          "end": 1756290934498,
          "result": "53f984e4-0ac2-8f77-2c74-f71ed8e56a8f"
        },
        {
          "data": {
            "id": "95ba58d1-f202-4900-9b1f-7933adbc6764",
            "isFull": false,
            "type": "remote"
          },
          "id": "1756290934499",
          "message": "export",
          "start": 1756290934499,
          "status": "success",
          "tasks": [
            {
              "id": "1756290936032",
              "message": "transfer",
              "start": 1756290936032,
              "status": "success",
              "end": 1756290942108,
              "result": {
                "size": 1061158912
              }
            },
            {
              "id": "1756290955378",
              "message": "clean-vm",
              "start": 1756290955378,
              "status": "success",
              "warnings": [
                {
                  "data": {
                    "path": "/xo-vm-backups/b25a5709-f1f8-e942-f0cc-f443eb9b9cf3/20250827T103536Z.json",
                    "actual": 1061158912,
                    "expected": 1063779840
                  },
                  "message": "cleanVm: incorrect backup size in metadata"
                }
              ],
              "end": 1756290956472,
              "result": {
                "merge": false
              }
            }
          ],
          "end": 1756290956478
        }
      ],
      "infos": [
        {
          "message": "Transfer data using NBD"
        }
      ],
      "end": 1756290956478,
      "result": {
        "message": "Missing tag to check there are some transferred data ",
        "name": "Error",
        "stack": "Error: Missing tag to check there are some transferred data \n    at IncrementalXapiVmBackupRunner._healthCheck (file:///opt/xo/xo-builds/xen-orchestra-202508271005/@xen-orchestra/backups/_runners/_vmRunners/_Abstract.mjs:76:13)\n    at IncrementalXapiVmBackupRunner.run (file:///opt/xo/xo-builds/xen-orchestra-202508271005/@xen-orchestra/backups/_runners/_vmRunners/_AbstractXapi.mjs:407:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async file:///opt/xo/xo-builds/xen-orchestra-202508271005/@xen-orchestra/backups/_runners/VmsXapi.mjs:166:38"
      }
    },

 {
          "message": "Transfer data using NBD"
        }
      ],
      "end": 1756290942772,
      "result": {
        "message": "Missing tag to check there are some transferred data ",
        "name": "Error",
        "stack": "Error: Missing tag to check there are some transferred data \n    at IncrementalXapiVmBackupRunner._healthCheck (file:///opt/xo/xo-builds/xen-orchestra-202508271005/@xen-orchestra/backups/_runners/_vmRunners/_Abstract.mjs:76:13)\n    at IncrementalXapiVmBackupRunner.run (file:///opt/xo/xo-builds/xen-orchestra-202508271005/@xen-orchestra/backups/_runners/_vmRunners/_AbstractXapi.mjs:407:16)\n    at process.processTicksAndRejections (node:internal/process/task_queues:105:5)\n    at async file:///opt/xo/xo-builds/xen-orchestra-202508271005/@xen-orchestra/backups/_runners/VmsXapi.mjs:166:38"
      }
    },
    {
      "data": {
        "type": "VM",

[pierrebrunet]

Thank you @acebmxer , it should be fixed by https://github.com/vatesfr/xen-orchestra/pull/8907

pierrebrunet289 opened this pull request in vatesfr/xen-orchestra

closed fix(backup): set transfer tag only on AbstractRemote #8907

[acebmxer]

@pierrebrunet

Updated to Commit 04338 and the backups are fixed Thank you.

[olivierlambert]

Thank you everyone for your feedback, really appreciated!