Ok I have a big problem, I was wiping my

Question

Ok I have a big problem, I was wiping my

main disk to reinstall the OS through a live version and I ran the shred command, but a little bit later, due to the larger size, I understood that I was wiping the disk I use for backups.
Panic.
It was strange because I was wiping /dev/sda which has always been the main disk, not the backup one. But Idk how they just swapped their names and the main disk became /dev/sdb. When I tried to boot the OS I previously installed, it said that the main disk was /dev/sda and the backup one was /dev/sdb (as they should be)... Is it possible that by using a live distro the names swap?

P.S. I always check before wiping but this time I didn't because "they have always been like that, why should they suddenly change?" And now I'm trying to recover something through TestDisk but with no result... Can someone help me?

0

07.01.2020

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Vimicito (vi/vim) 🎃 · Accepted Answer

Vimicito (vi/vim) 🎃

welcome to why for persistent block devices you always use uuid's

0

07.01.2020

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