[root@hf-01 ~]# ps aux |grep mysql
root 2329 0.0 0.0 112676 984 pts/0 R+ 17:05 0:00 grep --color=auto mysq
[root@hf-01 ~]# service mysqld start
Starting MySQL. ERROR! The server quit without updating PID file (/data/mysql/hf-01.pid).
[root@hf-01 ~]#
[root@hf-01 data]# cd /data/mysql/
[root@hf-01 mysql]# ls
aria_log.00000001 hanfeng.err ibdata1 multi-master.info test
aria_log_control hf-01.err ib_logfile0 mysql
auto.cnf ib_buffer_pool ib_logfile1 performance_schema
[root@hf-01 mysql]# rm -rf ib_logfile1
[root@hf-01 mysql]# rm -rf ib_logfile0
[root@hf-01 mysql]# ls
aria_log.00000001 hanfeng.err ibdata1 performance_schema
aria_log_control hf-01.err multi-master.info test
auto.cnf ib_buffer_pool mysql