An error appears in UI and in
/var/log/plesk/panel.logduring the backup process:
PLESK_ERROR: Error: Unable to download the file from the storage: the content of the retrieved file '' does not match the content that was previously sent '2GJo6Nfv30D3kz9U51A0ZbfW'
Check that you can upload to and download files from the storage. You can check it independently with the commands:
echo 123 | curl -T - --ftp-create-dirs -v -P - --ssl -k -u user 'ftp://ftp.example.com/test-dir/test-file.txt'
curl -v -P - --ssl -k -u user 'ftp://ftp.example.com/test-dir/test-file.txt'
it is impossible to upload files to the server because of quota reached error:
# ftp ftp.example.com
Connected to ftp.example.com (203.0.113.2).
220 ProFTPD 1.3.5d Server (ProFTPD)
Name (ftp.example.com:root): user
331 Password required for user
230 User user logged in.
Remote system type is UNIX.
Using binary mode to transfer files.
ftp> put test.txt
local: test.txt remote: test.txt
227 Entering Passive Mode (203,0,113,2,198,22).
150 Opening BINARY mode data connection for test.txt
552 Quota reached (26214400000).
1131 bytes sent in 0.00734 secs (154.07 Kbytes/sec)
There is no space left on the FTP server.
Free some space on the FTP server, used for the backups.