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mysql运行出现Can’t open and lock privilege tables: Inc

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Release: 2016-06-07 16:33:16
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一个安装lenny-debian系统的小设备,手快升级mysql后再启动mysql出现 120101 15:14:21 InnoDB: Started; log sequence number 0 73553120101 15:14:21 [Note] Recovering after a crash using /var/log/mysql/mysql-bin120101 15:14:21 [Note] Starting cras

一个安装lenny-debian系统的小设备,手快升级mysql后再启动mysql出现

120101 15:14:21  InnoDB: Started; log sequence number 0 73553
120101 15:14:21 [Note] Recovering after a crash using /var/log/mysql/mysql-bin
120101 15:14:21 [Note] Starting crash recovery...
120101 15:14:21 [Note] Crash recovery finished.
120101 15:14:21 [ERROR] Fatal error: Can't open and lock privilege tables: Incorrect file format 'host'
总是启动不了,google了一下,试验后发现使用下方法可以正常修复
step 1.使用 mysqld --skip-grant 命令启动mysql
step 2.使用 mysqldump 将库数据导出
step 3.使用 mysqladmin shutdown 停止mysqld 服务
step 4.在shell 下进入mysql数据目录,删除下面的 mysql 库
step 5.运行 mysql_install_db 重新创建默认的 mysql 库
step 6.运行mysqld服务,检查导入库数据,重新创建库用户、密码以及设置权限
step 7.执行cat /etc/mysql/debian.cnf 查看 debian-sys-maint帐号密码,运行mysql执行如下命令添加帐号
mysql> GRANT ALL PRIVILEGES ON *.*  TO 'debian-sys-maint'@'localhost' IDENTIFIED BY?'前面看到的密码' WITH GRANT OPTION;
mysql> FLUSH PRIVILEGES;
如果已有debian-sys-maint帐号,可以使用如下命令修改密码为前面看到的
mysql>SET PASSWORD FOR 'debian-sys-maint'@'localhost' = PASSWORD('前面看到的密码');
mysql> FLUSH PRIVILEGES;
(如没有重要数据,可以忽略步骤1,2,3)
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