Backups: external repository ftp and local repository

[MassimilianoM]

Hello everyone,
our plesk is set to do a nightly backup in an external repository ftp.
It 'also set to save 6 copies before overwriting.

The problem is that plesk also saves these backups in local hard disk taking up much space.

Can I set up backups only in the external repository ftp?

Thank you very much,
Max