macOS 断电关机后 mysql 无法启动

mysql 版本为 8.0，通过 brew install mysql 安装

查看错误日志，发现如下错误

2022-01-08T01:50:12.256198Z 1 [ERROR] [MY-012224] [InnoDB] Checksum mismatch in datafile: ./undo_002, Space ID:4294967278, Flags: 0. Please refer to http://dev.mysql.com/doc/refman/8.0/en/innodb-troubleshooting-datadict.html for how to resolve the issue.
2022-01-08T01:50:12.277271Z 1 [ERROR] [MY-012224] [InnoDB] Checksum mismatch in datafile: ./undo_002, Space ID:4294967278, Flags: 0. Please refer to http://dev.mysql.com/doc/refman/8.0/en/innodb-troubleshooting-datadict.html for how to resolve the issue.

解决方法
进入 mysql 数据目录，删除 undo 开头文件
为了数据安全，请先备份 /usr/local/var/mysql 数据

cd /usr/local/var/mysql

rm -f undo_00*