Linux PC acting up? Here’s my first course of action (and why it fixes things most of the time)
Kyle Kucharski/ZDNETI’ve had it happen before. Back when drives consisted of spinning, magnetic platters, that dreaded “tick” was a sure sign a hard drive was failing. Once upon a nightmare scenario, I waited too late and wound up losing everything on my drive. Sure, I could have recovered that data, but at a pretty high monetary cost.Also: The first 5 Linux commands every new user should learnSince then, I’ve always been vigilant about checking for bad blocks and sectors on hard drives.What is a bad block?Simply put, a bad block is one that cannot be read or written to. This can happen because of physical damage to the drive or failing transistors on flash memory (think SSDs). When a block goes bad, it’s not usable. Too many bad blocks, and the drive will fail. You don’t want that. Also: Thinking about switching to Linux? 10 things you need to knowBefore the bad blocks take you down, you should check for them. If you don’t, you could lose out. Let’s check. More