Ошибка говорит о том что не хватает open-files-limit
14:36:01 [ERROR] mysqld: Can't open file: './ispmgr/filesync_hash.frm' (errno: 24)161108 14:37:01 [ERROR] mysqld: Can't open file: './ispmgr/webproxy.frm' (errno: 24)
Правится так
создается фаил /etc/systemd/system/mariadb.service.d/limits.conf
Содержимое
[Service]LimitNOFILE=15000
Welcome to the MariaDB monitor. Commands end with ; or \g.Your MariaDB connection id is 1321286Server version: 5.5.50-MariaDB MariaDB ServerCopyright © 2000, 2016, Oracle, MariaDB Corporation Ab and others.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.MariaDB [(none)]> SHOW VARIABLES LIKE 'Open_files_limit';+------------------+-------+| Variable_name | Value |+------------------+-------+| open_files_limit | 15000 |+------------------+-------+1 row in set (0.00 sec)