this post was submitted on 21 Feb 2024
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I recently decided to replace the SD card in my Raspberry Pi and reinstall the system. Without any special backups in place, I turned to rsync to duplicate /var/lib/docker with all my containers, including Nextcloud.

Step #1: I mounted an external hard drive to /mnt/temp.

Step #2: I used rsync to copy the data to /mnt/tmp. See the difference?

Step #3: I reformatted the SD card.

Step #4: I realized my mistake.

Moral: no one is immune to their own stupidity ๐Ÿ˜‚

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[โ€“] bruhduh@lemmy.world 19 points 2 years ago* (last edited 2 years ago)

Testdisk and photorec, use them, they even saved my data from bricked Chinese usb flash drive, so it'll save yours unless you wrote dd if /dev/zero of /*/microsd. Also here's the tip, don't attempt to rebuild partition firstly, first step try to copy all files from microsd to another device with these programs and after that try other ways, edit: I've seen from your other comments that your data already was overwritten, my condolences