The Photonsphere on Nostr: I'm contemplating using the dd command below to rejuvenate data – 'bit rot' – on ...

I'm contemplating using the dd command below to rejuvenate data – 'bit rot' – on my hard drive (the drive is *not* mounted):

dd if=/dev/sdX of=/dev/sdX bs=128M conv=sync status=progress

I'm wondering whether I really need a backup? (what would happen if e.g. the process gets interrupted?)

#Linux #Debian