Question

41

How do I create a bit identical image of a usb stick?

rated 0 times [ 41] [ 0] / answers: 1 / hits: 99372 / 2 Years ago, thu, january 27, 2022, 12:26:28

I have a usb stick which is unreadable for some reason. I want to make an image of it for storage purposes so I can try to retrieve the data from the image at a later date.

How would I go about creating such a bit identical image of a usb stick?

This is the error I get when using dd:

oshirowanen@desktop:~$ sudo dd if=/dev/sdd of=/USB_image

[sudo] password for oshirowanen: 

dd: reading `/dev/sdd': Input/output error

0+0 records in

0+0 records out

0 bytes (0 B) copied, 1.00783 s, 0.0 kB/s

oshirowanen@desktop:~$

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answered 2 Years ago fieldcheon · Accepted Answer

dd it!

Usage would be something like sudo dd if=/dev/sdb of=~/USB_image where /dev/sdb is your usb drive as listed by sudo fdisk -l and ~/USB_image is the image file where the copy will be made (a path where the image file will be created).

To restore the image to another USB drive just invert the process: sudo dd if=~/USB_image of=/dev/sdb will restore ~/USB_image to the device sdb. Just make sure that the new USB drive is as big or bigger than the original one.

You can also mount the image file you just created into a path without need to restore it first to another USB drive with mount ~/USB_image /mnt/USB_image -o loop.