关于备份 树莓派的 tf 卡的疑问 - V2EX
songz

关于备份 树莓派的 tf 卡的疑问

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  •   songz Nov 17, 2016 2501 views
    This topic created in 3491 days ago, the information mentioned may be changed or developed.
    用 dd 或者 win32diskimager,都是整卡备份的

    例如 tf 卡是 64GB 它就会备份出来一个 64GB 的 img ,而实际用了的空间只有 4GB ,

    如何操作才能只备份那 4GB 的数据?
    5 replies    2016-11-17 14:00:51 +08:00
    choury
        1
    choury  
       Nov 17, 2016 via Android
    用 tar 啊
    Osk
        2
    Osk  
       Nov 17, 2016 via Android
    tar
    非要备份成镜像的话, 试试先 dd 一个内容全为的 zero 的文件占用完文件系统的空间,然后在使用 dd 制作镜像时用管道传给 gz 等压缩下。。。感觉没必要了,慢慢慢
    wwqgtxx
        3
    wwqgtxx  
       Nov 17, 2016 via iPhone
    最粗暴的办法,用 ghost12 来备份,屡试不爽
    sjqlwy
        4
    sjqlwy  
       Nv 17, 2016 via Android
    github 上有个脚本压缩树莓备份出来的镜像,好像叫 imager shrinker
    chinni
        5
    chinni  
       Nov 17, 2016
    最近在用 fsarchiver 备份系统. dd 其实也能备份出别的大小的. google 下有
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