Symptoms
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Plesk is unable to create a backup in Tools & Settings > Backup Manager using remote storage
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This error is displayed when trying to do a backup on a remote storage:
PLESK_ERROR: Not enough free disk space to backup selected objects. At least 231208.573798 Mbytes free disk space is required.
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The checkbox Start the backup only if your server has the sufficient amount of free disk space (this option may significantly increase the backup time) is checked in Tools & Settings > Backup Manager > Backup Settings
Cause
Insufficient disk space on the Plesk server.
Resolution
Allocate additional disk space or remove unnecessary files in /var/lib/psa/dumps.
OR
Uncheck the option Start the backup only if your server has the sufficient amount of free disk space (this option may significantly increase the backup time) in Tools & Settings > Backup Manager > Backup Settings to make Backup Manager not count overall disk space required for the backup.
