Mysql報錯Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist

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安裝mysql後，啟動時候沒有啟動成功，查看了下日誌報錯如下:---------------------------------------------

1   可以：初始化mysql：mysql_install_db

2   目錄許可權問題chown -R mysql:mysql  /var/lib/mysql

[[email protected] local]# less /var/log/mysqld.log
1、查看報錯資訊如下:
[ERROR] Fatal error: Can‘t open and lock privilege tables: Table ‘mysql.host‘ doesn‘t exist

2、經過查閱資料得知。要敲如下命令解決:
mysql_install_db –usrer=mysql datadir=/var/lib/mysql
datadir是我的mysql存放檔案目錄

3、然後重啟mysql還是不行:
MySQL Daemon failed to start.
正在啟動 mysqld：                                          [失敗]

4、然後試了下單獨的命令，啟動完成
mysql_install_db

5、啟動mysql服務
[[email protected] mysqld]# /etc/init.d/mysqld restart
停止 mysqld：                                              [確定]
正在啟動 mysqld：                                         [確定]

Mysql報錯Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist