MySQL崩潰並無法啟動

Question

我的mysql服務器獨自崩潰，這是資源問題，因此我復制了數據文件並將其粘貼到新服務器上以恢復數據庫，這是新服務器啟動時的錯誤：

文件權限還可以：

1個

60928 12:57:37 mysqld_safe Starting mysqld.bin daemon with databases from /Applications/mampstack-5.6.26-1/mysql/data
2016-09-28 12:57:37 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2016-09-28 12:57:37 0 [Note] /Applications/mampstack-5.6.26-1/mysql/bin/mysqld.bin (mysqld 5.6.33) starting as process 28918 ...
2016-09-28 12:57:37 28918 [Note] Plugin 'FEDERATED' is disabled.
/Applications/mampstack-5.6.26-1/mysql/bin/mysqld.bin: Unknown storage engine 'InnoDB'
2016-09-28 12:57:37 28918 [ERROR] Can't open the mysql.plugin table. Please run mysql_upgrade to create it.
2016-09-28 12:57:37 28918 [Note] InnoDB: Using atomics to ref count buffer pool pages
2016-09-28 12:57:37 28918 [Note] InnoDB: The InnoDB memory heap is disabled
2016-09-28 12:57:37 28918 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
2016-09-28 12:57:37 28918 [Note] InnoDB: Memory barrier is not used
2016-09-28 12:57:37 28918 [Note] InnoDB: Compressed tables use zlib 1.2.8
2016-09-28 12:57:37 28918 [Note] InnoDB: Using CPU crc32 instructions
2016-09-28 12:57:37 28918 [Note] InnoDB: Initializing buffer pool, size = 128.0M
2016-09-28 12:57:37 28918 [Note] InnoDB: Completed initialization of buffer pool
2016-09-28 12:57:38 28918 [Note] InnoDB: Highest supported file format is Barracuda.
InnoDB: No valid checkpoint found.
InnoDB: If you are attempting downgrade from MySQL 5.7.9 or later,
InnoDB: please refer to http://dev.mysql.com/doc/refman/5.6/en/upgrading-downgrading.html
InnoDB: If this error appears when you are creating an InnoDB database,
InnoDB: the problem may be that during an earlier attempt you managed
InnoDB: to create the InnoDB data files, but log file creation failed.
InnoDB: If that is the case, please refer to
InnoDB: http://dev.mysql.com/doc/refman/5.6/en/error-creating-innodb.html
2016-09-28 12:57:38 28918 [ERROR] Plugin 'InnoDB' init function returned error.
2016-09-28 12:57:38 28918 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2016-09-28 12:57:38 28918 [ERROR] Unknown/unsupported storage engine: InnoDB
2016-09-28 12:57:38 28918 [ERROR] Aborting
2016-09-28 12:57:38 28918 [Note] Binlog end
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'partition'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'PERFORMANCE_SCHEMA'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_DATAFILES'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_TABLESPACES'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN_COLS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_FOREIGN'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_FIELDS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_COLUMNS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_INDEXES'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_TABLESTATS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_SYS_TABLES'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_FT_INDEX_TABLE'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_FT_INDEX_CACHE'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_FT_CONFIG'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_FT_BEING_DELETED'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_FT_DELETED'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_FT_DEFAULT_STOPWORD'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_METRICS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_BUFFER_POOL_STATS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE_LRU'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_BUFFER_PAGE'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX_RESET'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_CMP_PER_INDEX'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_CMPMEM_RESET'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_CMPMEM'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_CMP_RESET'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_CMP'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_LOCK_WAITS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_LOCKS'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'INNODB_TRX'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'BLACKHOLE'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'ARCHIVE'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'MRG_MYISAM'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'MyISAM'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'MEMORY'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'CSV'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'sha256_password'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'mysql_old_password'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'mysql_native_password'
2016-09-28 12:57:38 28918 [Note] Shutting down plugin 'binlog'
2016-09-28 12:57:38 28918 [Note] /Applications/mampstack-5.6.26-1/mysql/bin/mysqld.bin: Shutdown complete
160928 12:57:38 mysqld_safe mysqld from pid file /Applications/mampstack-5.6.26-1/mysql/data/mysqld.pid ended

更新

重新安裝mysql版本5.7后，在連接mysql時出現此錯誤：

Answer 1

已固定，例如：

1. 重新安裝MySQL 5.7
2. 停止MySQL
3. 運行：mysqld_safe --skip-grant-tables --skip-networking＆
4. 運行MYSQL
5. mysqldump -u root -p數據庫> database.sql

謝謝你們。

Answer 2

嘗試這些。

sudo dpkg-reconfigure mysql-server-5.1

sudo apt-get install mysql-server-5.1 --reinstall

也許有幫助

mysqlcheck --repair --databases db_name ...