> For the complete documentation index, see [llms.txt](https://docs.storware.eu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.storware.eu/backup-destinations/filesystem/synthetic-file-system/zfs.md).

# ZFS

## Prerequisites

* ZFS pool created
* Deduplication must be enabled

## Creating a Synthetic Filesystem Backup Destination

1. Go to **Backup Destinations → File System**.
2. Click **Create** and select **File System (Synthetic)**.
3. In the **General** tab:
   * Enter a name for the backup destination.
   * Choose whether to use it as the default destination.
   * Optionally, provide a description.
   * Select **ZFS** as the storage backend.
   * Configure project visibility.
4. In the **Node Configuration** tab, select the node configurations that can access this destination.
5. In the **File System (Synthetic) Settings** tab, enter the backup destination path and ZFS pool name.
6. Optionally, configure commands in the **Pre/Post Access** tab to run before or after the data storage operation.
7. Save the configuration.