在安装了8.0.14之后，初始化的时候在my.cnf里设置了lower_case_table_names=1，安装好了之后，启动报错：
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1
2
3
4
5
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2019-01-28T13:24:24.919463+08:00 0 [System] [MY-010116] [Server] /usr/
local
/mysql/bin/mysqld (mysqld 8.0.14) starting
as
process 24567
2019-01-28T13:24:25.339412+08:00 1 [ERROR] [MY-011087] [Server] Different lower_case_table_names settings
for
server (
'1'
)
and
data dictionary (
'0'
).
2019-01-28T13:24:25.339709+08:00 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2019-01-28T13:24:25.339903+08:00 0 [ERROR] [MY-010119] [Server] Aborting
2019-01-28T13:24:26.660278+08:00 0 [System] [MY-010910] [Server] /usr/
local
/mysql/bin/mysqld: Shutdown complete (mysqld 8.0.14) MySQL Community Server - GPL.
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查看MySQL官方文档，有记录：
lower_case_table_names can only be configured when initializing the server. Changing the lower_case_table_names setting after the server is initialized is prohibited.
只有在初始化的时候设置 lower_case_table_names=1才有效，比如：
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--initialize --lower-case-table-names=1
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在MySQL客户端执行如下命令查看MySQL的数据存放位置：
mysql> show global variables like "%datadir%";