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Can I DD a complete 2GB ipod Nano to an image (for later use)?


I've had a few cases where I've bricked or corrupted one of these (using ubuntu and rockbox) and DD has saved the device.

I usually just use another "known good" ipod nano with the same storage size (i.e. 2GB or 4GB ipod Nano).

Part of the problem is that my family members (children usually) do not always eject the device from Ubuntu before unplugging and it corrupts the unit.

So my question should be... how do I uncorrupt the unit. But after trying fsck.hfsplus and regular fsck to no avail (still read only in Ubuntu), my solution is to just use DD.

With that said, my question is, rather than plugging in two ipods and DD ing from say:
sudo dd if=/dev/sdX of=/dev/sdY

Is it possible to make a backup image (of the ipod) on my computer in some directory to dd from in the future?

Creating a backup image of your iPod Nano on your computer is indeed possible and can be a good way to restore your device in case of corruption. Here’s how you can create a disk image of your iPod Nano using the dd command in Ubuntu:

Connect your iPod Nano to your computer.
Determine the device identifier for your iPod Nano using the lsblk command. Maxim Time Clock Login
Unmount the iPod Nano if it is automatically mounted by Ubuntu.
Use the dd command to create an image of your iPod Nano. Replace /dev/sdX with the correct device identifier for your iPod Nano:
sudo dd if=/dev/sdX of=/path/to/backup/folder/ipod_backup.img bs=4M

Wait for the process to complete. It might take some time depending on the size of your iPod Nano.
Remember to replace /path/to/backup/folder/ipod_backup.img with the actual path where you want to save the backup image on your computer. The bs=4M is the block size; you can adjust this value based on your needs, but 4M is a common size that works well for many users.

To restore from the backup image in the future, you would reverse the if and of parameters in the dd command, like so:

sudo dd if=/path/to/backup/folder/ipod_backup.img of=/dev/sdX bs=4M

Make sure to use the correct device identifier for your iPod Nano when restoring. Also, be very careful with the dd command as it can overwrite any disk if the wrong device identifier is used.

It’s always a good idea to keep multiple backups and verify the integrity of the backup image after creation. You can do this by mounting the image and checking its contents or using checksums to ensure the backup is not corrupted.


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