用雲服務安裝mysql后，用systemctl status mysqld后
- 查看 /var/log/mysqld.log后
2021-01-24T09:52:09.517688Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.23) starting as process 4170
2021-01-24T09:52:09.630048Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
2021-01-24T09:52:09.630157Z 1 [ERROR] [MY-012271] [InnoDB] The innodb_system data file 'ibdata1' must be writable
2021-01-24T09:52:09.630203Z 1 [ERROR] [MY-012278] [InnoDB] The innodb_system data file 'ibdata1' must be writable
2021-01-24T09:52:09.630268Z 1 [ERROR] [MY-010334] [Server] Failed to initialize DD Storage Engine
2021-01-24T09:52:09.630410Z 0 [ERROR] [MY-010020] [Server] Data Dictionary initialization failed.
2021-01-24T09:52:09.630494Z 0 [ERROR] [MY-010119] [Server] Aborting
2021-01-24T09:52:09.631375Z 0 [System] [MY-010910] [Server] /usr/sbin/mysqld: Shutdown complete (mysqld 8.0.23) MySQL Community Server - GPL.
- 其中The innodb_system data file 'ibdata1' must be writable 告訴我們 'ibdata1'必須可寫
- 修改對應文件權限為可讀可寫可執行權限
chmod -R 777 /var/lib/mysql
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不是yum安裝的話,可以找到
-
find / -name ibdata1
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修改完之后再次啟動mysql，即可成功
