Hi List , I have newly installed Kamailio 3.1 on a debian 64 server , replacing the OpenSIPs server And the subscribers are about 1000 people. After running 3 days, the disk with 8GB became full and caused Mysql stopped. I have checked /etc/my.cnf , and the setting about binary log is like: #log_bin = /var/log/mysql/mysql-bin.log expire_logs_days = 10 max_binlog_size = 100M It seems that binaly log for mysql is disabled. What else possible reason could cause this problem?? Any hint will be helpful. Thank you all, Coca