Question

在我的my.cnf中，我写道：

[mysqld_multi]
mysqld = /usr/local/Cellar/mysql/5.7.11/bin/mysqld_safe
mysqladmin = /usr/local/Cellar/mysql/5.7.11/bin/mysqladmin
user = root
password =

[mysqld1]
pid-file = /usr/local/etc/mysql/mysqld.pid
socket = /usr/local/etc/mysql/mysqld.sock
port = 3306
datadir = /usr/local/var/mysql
log-bin=mysql-bin
server-id=1

[mysqld2]
pid-file = /usr/local/etc/mysql/mysqld1.pid
socket = /usr/local/etc/mysql/mysqld1.sock
port = 3307
datadir = /usr/local/var/mysql1
server-id=2
language=/usr/local/Cellar/mysql/5.7.11/share/mysql/english
user=mysql

然后我执行mysqld_multi start 2，我收到错误信息：

Installing new database in /usr/local/var/mysql1

2016-09-19 19:37:16 [WARNING] mysql_install_db is deprecated. Please consider switching to mysqld --initialize
2016-09-19 19:37:16 [ERROR]   Can't locate the language directory.

FATAL ERROR: Tried to start mysqld under group [mysqld2],
but no data directory was found or could be created.
data directory used: /usr/local/var/mysql1

我无法启动mysql进程，那么问题是什么？目录/usr/local/var/mysql1似乎有一些问题，但目录存在，它很混乱。

Answer 1

似乎mysqld_multi没有固定使用mysqld --initialize。

您必须在my.cnf中为该服务器运行mysqld --initialize以及所有与目录相关的选项。

（来自评论）您还可以按照Running two instances of mysql中的说明修复mysqld_multi脚本。

为什么mysqld_multi无法启动mysql？

1 个答案: