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Posted by / 06-Jul-2017 08:10

and it turned out that the My SQL server had halted.Not sure why, which frightens me, but I'm working from a cruise boat with a poor connection and the important thing was to fix it.It appears that what's happened is that the My SQL daemon has stopped catastrophically for some reason.It's confused into thinkig it should be referring to a PID file which didn't exist, and because it's crashed, it's refusing to restart. Ensure that /etc/contains: And restart the server as this will overstep the problem above, and also recover the databases; error recovery levels of 1 or 2 are likely to let you recover (almost) everything we're told, and I have the previous good backup anyway, so I can restore if I need to.2) You need to check whether the My SQL service is already running.If My SQL service is already running, you will have to kill them and start again.很明显是缺少了库文件 libstdc 5 ,这时我们搜索和libstdc相关的包安装即可。 如果是centos系统,默认会开启selinux,这个时候可以先关闭它,打开/etc/selinux/config,把SELINUX=enforcing改为SELINUX=disabled后存盘退出重启机器试试。 也有可能是第二次在机器上安装mysql,有残余数据影响了服务的启动,去mysql的数据目录/data看看,如果存在mysql-bin.index,就赶快把它删除掉吧,它就是罪魁祸首了。 四、确定数据目录的权限 数据目录一般是/data,检查一下它的归属,如果不是mysql所有者,一般安装mysql时都会创建mysql的用户和组的,这时要修改一下用户和组: chown -R mysql:mysql /var/data mysql在启动时没有指定配置文件时会使用/etc/my.cnf配置文件,请打开这个文件查看在[mysqld]节下有没有指定数据目录(datadir)。如果没有请在[mysqld]下设置这一行: datadir = /usr/local/mysql/data 如果这是第二次在机器上安装mysql就极有可能会出现这种情况的,这时系统上很有可能还有mysql进程在运行着。可以执行下列命令查看: ps -ef | grep mysql 如果出现的结果不止一行的就赶快把它kill掉吧。 可以检查一下/etc/my.cnf文件中有没有没被注释掉的skip-federated字段,如果有就立即注释掉吧。 也有可能你现在还不知道mysql的出错日志在哪里吧?这时你可以执行命令查看: 这时再试试吧。如果还是不行的话就留言让大家帮你看看吧……

安装mysql 版本: mysql-5.1.41-linux-i686-icc-glibc23gz 第一步: mysql5.1.30 初次启动会出现Manager of pid-file quit without updating fi[FAILED]的报错,需要注释/etc/my.cnf里的skip-federated注释掉即#skip-federated就OK了! 但还不好用。错误依旧。 第二步: 杀掉已经启动的进程 果然有两个顽固分子 杀之!!! kill -9 8037(杀掉这个8016那个就自动被杀了!) kill -9 8016 开心的时刻终于到来了 CODE: [[email protected] mysql]# /etc/init.d/mysql restart My SQL manager or server PID file could not be found!You can see “.err” files inside the My SQL data directory.These are My SQL error logs which will give the exact reason for My SQL failure.It is recommended to take full backup of My SQL data directory /var/lib/mysql/ before you make any changes to My SQL service.1) Connect to your server via SSH as root user and restart My SQL manually.

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Sometimes My SQL service fails to start when it faces difficulty in updating the log files.