如果我能做出正确的 SQL dump/backup
我会的,但是 OS
给了,只能登录SafeMode
,我无法启动 MySQL server
.因此,我只能手动备份文件目录。
我现在正在新安装的
Windows
上运行并尝试启动这台旧服务器几分钟,以便我可以从 Workbench
登录并做出正确的 SQL database dump
我会是哪个 import
在新 MySQL
稍后安装。因此,将提到的文件移动到各自的位置 -
Program Files
和 ProgramData
.开放
PowerShell
(具有管理员权限)并执行以下操作:mysqld --defaults-file="C:\ProgramData\MySQL\MySQL Server 8.0" --console
我得到了一些 百屏幕上包含以下内容的行:
2020-04-10T05:28:56.725818Z 0 [ERROR] [MY-011972] [InnoDB] Your database may be corrupt or you may have copied the InnoDB tablespace but not the InnoDB log files. Please refer to http://dev.mysql.com/doc/refman/8.0/en/forcing-innodb-recovery.html for information about forcing recovery.
2020-04-10T05:28:56.734460Z 0 [ERROR] [MY-011971] [InnoDB] Tablespace 'innodb_undo_001' Page [page id: space=4294967279, page number=5] log sequence number 1339677380 is in the future! Current system log sequence number 19081380.
其次是:
2020-04-10T05:28:56.740834Z 0 [ERROR] [MY-011972] [InnoDB] Your database may be corrupt or you may have copied the InnoDB tablespace but not the InnoDB log files. Please refer to http://dev.mysql.com/doc/refman/8.0/en/forcing-innodb-recovery.html for information about forcing recovery.
2020-04-10T05:28:56.757259Z 0 [System] [MY-010229] [Server] Starting crash recovery...
2020-04-10T05:28:56.769215Z 0 [System] [MY-010232] [Server] Crash recovery finished.
2020-04-10T05:28:57.695386Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2020-04-10T05:28:57.765911Z 0 [System] [MY-010931] [Server] C:\Program Files\MySQL\MySQL Server 8.0\bin\mysqld.exe: ready for connections. Version: '8.0.13' socket: '' port: 3306 MySQL Community Server - GPL.
2020-04-10T05:28:57.926850Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060
太好了,至少它正在运行。
我现在可以
connect
但没有 databases
.更新:
从数据目录中删除 innodb_undo_001 和 innodb_undo_002 文件并重新启动。
得到这个:
PS C:\Program Files\MySQL\MySQL Server 8.0\bin> .\mysqld --defaults-file="C:\ProgramData\MySQL\MySQL Server 8.0\my.ini" --console 2020-04-10T05:55:29.555478Z 0 [Warning] [MY-010915] [Server] 'NO_ZERO_DATE', 'NO_ZERO_IN_DATE' and 'ERROR_FOR_DIVISION_BY_ZERO' sql modes should be used with strict mode. They will be merged with strict mode in a future release.
2020-04-10T05:55:29.558313Z 0 [System] [MY-010116] [Server] C:\Program Files\MySQL\MySQL Server 8.0\bin\mysqld.exe (mysqld 8.0.13) starting as process 3028
2020-04-10T05:55:31.394427Z 1 [Warning] [MY-012351] [InnoDB] Tablespace 1, name 'sys/sys_config', file '.\sys\sys_config.ibd' is missing!
2020-04-10T05:55:32.808645Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed.
2020-04-10T05:55:32.856154Z 0 [System] [MY-010931] [Server] C:\Program Files\MySQL\MySQL Server 8.0\bin\mysqld.exe: ready for connections. Version: '8.0.13' socket: '' port: 3306 MySQL Community Server - GPL.
2020-04-10T05:55:32.898055Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060
正在运行但不存在数据库。
尝试了 Innodb-force-recovery 方法 - 没有任何 react 。和之前一样。
最佳答案
好的,假设所有文件都没有损坏,您可以尝试以下操作:
test
或者其他的东西。然后从 C:\Program Files\MySQL\MySQL Server 8.0
复制所有文件目录到新文件夹。 *注意:如果文件夹中没有 my.ini 文件,请从
C:\ProgramData\MySQL\MySQL Server 8.0
复制它目录到文件夹中。更改以上内容后,从
mysqld --install MySQLXY ..
复制整行到最后。不要复制第一个#
一开始。然后保存 my.ini 文件。 *使用cmd手动安装服务。
services.msc
然后回车或者OK),找到新安装的MySQL服务并点击start
. 关于mysql - 在新的 MySQL 安装中使用以前的 MySQL 数据文件夹,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/61134597/