Apparently yes, only forward

I think I read something about there being timeouts for slow jobs, which backups definitely are. Really unsure though, it has been a while. Try spawning independent worker programs!

Pee charts

Windows user folders are nearly unusable in my opinion, too many programs throw in random folders and files everywhere. Especially the Documents folder, too many games putting incoherent stuff in there

Somebody deliberately had to code something different for this

It's known as the 'Brazil nut effect', technically apparently Granular Convection: https://en.m.wikipedia.org/wiki/Granular_convection It's apparently not fully explained, but theories suggest things like buoyancy, or that larger particles are blocked from sinking by smaller particles, which on the other hand can slip below the larger ones.

There's some relation in that they both act on fields, but the things that affect those fields are very different (higgs bosons and electrons respectively) and the relationship between all that for an 'unified theory' is a topic of much research. IANAP though (not a physicist)

Does it have a hardware RAID card? You may have to flash it to IT mode. The 'lost' drive may be just a parity drive?

Did you try copying it with dd/ddrescue?

First time hearing o7 as 'nazi salute', I only know it as a 'military/captain's salute' out of Eve Online, Elite and some milsim games

Universal law of tradesmen: They come when you least expect them, and when you expect them they don't come.

Due to health protection laws, the flag is made of natural fibers and paints that are non-carcinogenic