Backup finishes with warning:
Warning: hosting "domain.tld" Failed to pack files Parallelstest_domain.tld_user-data_1409022051 in /var/lib/psa/dumps/domains/domain.tld [ 146836627456 bytes free of 264221454336 bytes total on mount point 0] Warning: hosting "domain.tld" /bin/tar: You may not specify more than one `-Acdtrux' option Try `/bin/tar --help' or `/bin/tar --usage' for more information.
Plesk cannot backup files with name starts with dash symbol "-" like
This behavior has been considered as software issue #PPPM-1925.
Install Plesk 12.0.18 MU#25 update, where the issue is fixed. If you have previous Plesk version, below is the workaround:
Find files with dash "-" as first symbol in filename:
~# find /var/www/vhosts/domain.tld/ -name '-*' /var/www/vhosts/domain.tld/-t
Rename this file:
mv /var/www/vhosts/domain.tld/-t /var/www/vhosts/domain.tld/t