Linux系统迁移小文件数据

Written by 正冰 on 2021, January 10, 9:40 PM. 技术归总

需要将Linux A服务器数据迁移到Linux B服务器，但是A有较多小文件，通过scp传输会占用较多时间。那么采用先打包（压缩）所有文件，再传输，再解压，则需要人工值守，且时间不一定会少很多。

那么可以采用压缩，传输，解压同步进行的方案：

B为默认开启SSH登录（22端口不变），需要将A当前目录下的web文件夹进行打包传输至B的/home目录下，假设B的IP为192.168.1.2

tar czf - web | ssh root@192.168.1.2 tar xzf - -C /home

若B的ssh端口改了，比如改为1688，则命令如下：

tar czf - web | ssh -p 1688 root@192.168.1.2 tar xzf - -C /home

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数据库出错:

MySQL Query Error
Mysql error description: Duplicate entry '0' for key 'uid'
Mysql error number: 1062
Date: 2024-06-03 @ 22:09
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