Can Plesk manage disk space or extend a partition on Linux based server?
Plesk does not manage disk space on the server.
If the server is running out of disk space, try to clean the backup folder
It is possible to add a new disk, move the contents of a huge folder – for example
and mount the new disk as
If the server filesystem has configured LVM, it is possible to extend partition according to the Plesk KB article: How to resize hard drive on Linux systems with LVM?