Source: components/backup/config.py:594
intégration: Backup (documentation, problèmes)
S'est produit pour la première fois: 4 août 2025 à 02:48:43 (2 occurrences)
Dernier enregistrement: 02:48:54

Error creating backup: Backup failed: [{'type': 'BackupError', 'message': 'Backup b32a91e5 error, see supervisor logs', 'stage': 'finishing_file'}]
Error creating backup: Backup failed: [{'type': 'BackupError', 'message': 'Backup 741a6161 error, see supervisor logs', 'stage': 'finishing_file'}]```

Supervisor logs:

```2025-08-05 02:48:54.199 ERROR (MainThread) [supervisor.backups.manager] Backup 741a6161 error
Traceback (most recent call last):
  File "/usr/src/supervisor/supervisor/backups/manager.py", line 532, in _do_backup
    async with backup.create():
               ~~~~~~~~~~~~~^^
  File "/usr/local/lib/python3.13/contextlib.py", line 221, in __aexit__
    await anext(self.gen)
  File "/usr/src/supervisor/supervisor/backups/backup.py", line 501, in create
    size_bytes = await self.sys_run_in_executor(_close_outer_tarfile)
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/local/lib/python3.13/concurrent/futures/thread.py", line 59, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/src/supervisor/supervisor/backups/backup.py", line 494, in _close_outer_tarfile
    outer_secure_tarfile.close()
    ~~~~~~~~~~~~~~~~~~~~~~~~~~^^
  File "/usr/local/lib/python3.13/site-packages/securetar/__init__.py", line 245, in close
    self._tar.close()
    ~~~~~~~~~~~~~~~^^
  File "/usr/local/lib/python3.13/tarfile.py", line 2048, in close
    self.fileobj.close()
    ~~~~~~~~~~~~~~~~~~^^
OSError: [Errno 5] I/O error```

Checked the NFS authorization, and seems ok.
(HA is listing backups present on NFS)

### What version of Home Assistant Core has the issue?

core-2025.7.4

### What was the last working version of Home Assistant Core?

_No response_

### What type of installation are you running?

Home Assistant OS

### Integration causing the issue

backup

### Link to integration documentation on our website

_No response_

### Diagnostics information

_No response_

### Example YAML snippet

```yaml