- Plesk for Linux
Plesk UI is unresponsive.
The following or similar errors are being written to
# tailf /var/log/plesk/error.log
[07-Mar-2018 19:01:57 Asia/Tokyo] PHP Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[HY000]  No such file or directory' in /usr/local/psa/admin/externals/Zend/Db/Adapter/Pdo/Abstract.php:129
The root partition os running out of a free memory:
# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 50G 50G 9M 100% /
devtmpfs 7.7G 0 7.7G 0% /dev
tmpfs 7.7G 0 7.7G 0% /dev/shm
tmpfs 7.7G 121M 7.6G 2% /run
Connection to the database is repeatedly dropping, causing Plesk unavailability before spare space is freed by automatic deletion of a temporary file.
Clearing some free space or expand the partition.