> Reed-Solomon is often used in storage because it is an optimal erasure code I was initially thinking OP might be talking about something like this, but I thi

> Reed-Solomon is often used in storage because it is an optimal erasure code I was initially thinking OP might be talking about something like this, but I think I would have heard if all new hard drives had it built into their firmware to store error correcting codes alongside the real data and automatically fix bit flips, since I suspect that would have pretty serious performance impacts in certain cases and people would be complaining.