實驗倒騰mysql數(shù)據(jù)庫，后來發(fā)現(xiàn)服務無法啟動，查看日志報錯如下：

2015-01-07 17:48:54 9136 [ERROR] InnoDB: .\ibdata1 can't be opened in read-write mode
2015-01-07 17:48:54 9136 [ERROR] InnoDB: The system tablespace must be writable!
2015-01-07 17:48:54 9136 [ERROR] Plugin 'InnoDB' init function returned error.
2015-01-07 17:48:54 9136 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2015-01-07 17:48:54 9136 [ERROR] Unknown/unsupported storage engine: InnoDB
2015-01-07 17:48:54 9136 [ERROR] Aborting

解決方法：

1、打開任務管理器終止mysqld進程；

2、打開mysql安裝目錄的data文件夾，刪除以下2個文件：

ib_logfile0和ib_logfile1

3、重新啟動mysql