How to prevent Plesk backups from consuming all free disk space?

Question

How to prevent Plesk backups to consume all free disk space or prevent backup start if there is not enough free space on the server?

Answer

1. Login to Plesk.

2. Open Tools & Settings > Backup Manager > Settings.

3. Enable option Start the backup only if your server has the sufficient amount of free disk space.

   OR

   If it is required to set a specific amount of free space on the server for backup to start, type the necessary amount in megabytes in option Start the backup only if your server has the specified amount of free disk space.