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# VZDiskImageSynchronizationMode

An integer that describes the disk image synchronization mode.

```
enum VZDiskImageSynchronizationMode
```

## Topics

### Disk image synchronization modes

[`VZDiskImageSynchronizationMode.full`](/documentation/Virtualization/VZDiskImageSynchronizationMode/full)

Synchronizes data to the permanent storage holding the disk image.

[`VZDiskImageSynchronizationMode.fsync`](/documentation/Virtualization/VZDiskImageSynchronizationMode/fsync)

Synchronizes data to the drive using the system’s best-effort synchronization mode.

[`VZDiskImageSynchronizationMode.none`](/documentation/Virtualization/VZDiskImageSynchronizationMode/none)

Disables data synchronization with the permanent storage.


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