Plesk pre-upgrade checker produces the following warning message:
EMERGENCY: Unable to change the owner of files in the /var/lib/psa/dumps/ directory. The upgrade procedure will fail.
Upgrade log file
=== Preparing upgrade
chown: changing ownership of `/storage/mysql.preupgrade.11.0.9-22.214.171.12430616-153540.dump.gz': Operation not permitted
An incorrect value of
DUMP_D variable is set in
Connect to the Plesk server via SSH.
/etc/psa/psa.conffile to the default value:
# cat /etc/psa/psa.conf | grep DUMP