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The way to SD card backup

SJ Yang
in Beginners

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Hi 

i'm using the "Win32DiskImager" to backup my sd card(8GB), file size almost 8GB after read from sd card.

my question is, how to backup sd cad into image file and get small file size also. like downloaded form " armbian" web .

 

Board: Orange Pi Zero 

Well, first I usually resize the partition with something like gparted before writing an image in that way. Then zip the results. If you use dd you can pipe it through something like bz or p7zip and do it in one run.

 

Clonezilla is a great way to backup sd and even eMMC sometimes. You can just clone the data and not the entire disk.

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