Synology Volume Low Capacity Notification
In DSM 6, notification can only set as global value
Control Panel => Notifications => Advanced => Internal Storage
Click on Low Capacity of Volume, then define the Warning and Critical space thresholds.
In DSM 7, notification can be defined at individual volume level.
- Storage Manager
- Click the three dots at the top right corner of the desired volume
- Select Settings
- Scroll down to Low Capacity Notification and set thresholds