- Plesk for Linux
- Plesk for Windows
The backup failed with message:
PLESK_ERROR: Cannot export dump file 'backup_info_<timestamp>.xml' to 'ftp-server name' [Unable to resume interrupted upload. It seems like FTP server deleted the file, when the connection was lost. Try to repeat or perform upload manually]<
PLESK_ERROR: Unable to upload dump to FTP, it remains in server repository and you can manually download and upload it to FTP. Upload diagnostic message: Data transfer failed because of connectivity problems. Please, check connection to FTP and try again
PLESK_ERROR: Unable to resume an interrupted upload. It seems like FTP server deleted the file, when the connection was lost. Try to repeat or perform upload manually: The connectivity problem: (55) Failed sending data to the peer: Last FTP request: STOR backup.example.com_1710140400_1710201154.zip: Last FTP response: 125 Data connection already open; Transfer starting
The following messages can be found in the backup logs %Plesk_dir%PMM\logs\backup-2017-01-01-01-00-00-000\backup.log:
CONFIG_TEXT: Error 55 Failed sending data to the peer
This error means issue in hardware or settings of the FTP-server.
Check the following:
Free disk space on the FTP-server.
Quotas for the user ftp-user.
Configuration of LVM if it is used.
Enable settings in the FTP server in order to allow interrupted downloads/uploads. For example, configure the file handling options for an FTP site in IIS.