1. Pre-allocated disk space for the added torrents, this limits fragmentation and also makes sure if you use a cache drive or a feeder disk that the space is available.
!! warning Do not set Pre-allocated disk space if you are using ZFS as your filesystem as ZFS [does not support fallocate](https://github.com/openzfs/zfs/issues/326)
!!! check ""
**Suggested: `Enabled`**
!!! warning
Do not set Pre-allocated disk space if you are using ZFS as your filesystem as ZFS [does not support fallocate](https://github.com/openzfs/zfs/issues/326){:target="_blank" rel="noopener noreferrer"}