1. Can't locate Data/Dumper.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at ./scripts/mysql_install_db line 42.
解决：yum install 'perl(Data::Dumper)'
2. Installing MySQL system tables..../bin/mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
解决：yum install libaio* -y
3. # service mysql start
/etc/init.d/mysql: line 276: cd: /usr/local/mysql: No such file or directory
Starting MySQLCouldn't find MySQL server (/usr/local/mysql/[FAILED]ld_safe)
配置文件中MySQL路径不对
解决：vim /etc/init.d/mysql
修改
basedir=
/usr/local/mysql/
datadir=/usr/local/mysql/data/mysql
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再启动 service mysql start 成功