mysql 无法启动 错误服务器退出而不更新PID文件（/www/server/data/dafa.PID）

chown -R mysql:mysql /www/server/data/

# 将mysql数据目录授权给mysql用户 reboot 重启服务器解决

[root@cd9139f48a65 /]# systemctl status mysqld.service

● mysqld.service - LSB: start and stop MySQL

   Loaded: loaded (/etc/rc.d/init.d/mysqld; generated)

   Active: failed (Result: exit-code) since Sat 2021-10-09 18:53:38 UTC; 13s ago

     Docs: man:systemd-sysv-generator(8)

  Process: 2596 ExecStart=/etc/rc.d/init.d/mysqld start (code=exited, status=1/FAILURE)

Oct 09 18:53:34 cd9139f48a65 systemd[1]: Starting LSB: start and stop MySQL...

Oct 09 18:53:37 cd9139f48a65 mysqld[2596]: Starting MySQL../www/server/mysql/bin/mysqld_safe: line 183:  3232 Killed                  nohup /www/server/mysql/bin/mysqld --basedir=/www/server/mysql --datadir=/www/server/data --plugin-dir>

Oct 09 18:53:38 cd9139f48a65 mysqld[2596]:  ERROR! The server quit without updating PID file (/www/server/data/cd9139f48a65.pid).

Oct 09 18:53:38 cd9139f48a65 systemd[1]: mysqld.service: Control process exited, code=exited status=1

Oct 09 18:53:38 cd9139f48a65 systemd[1]: mysqld.service: Failed with result 'exit-code'.

Oct 09 18:53:38 cd9139f48a65 systemd[1]: Failed to start LSB: start and stop MySQL.

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