On Wednesday, September 3, 2025 11:58:42 AM Central Daylight Time Robert B. Carleton wrote: > On Wednesday, September 3, 2025 10:53:53 AM Central Daylight Time alain > > williams wrote: > > We were talking about RAID a few days ago and how they are different from > > backups. > > > > • RAID helps to protect you against hardware failure, the idea is that you > > can have a disk fail and still continue running, then replace the broken > > disk and rebuild to give you a protected system. > > [...] > > > Sorry if I sound like a preacher, hopefully this will someday save the > > backside of someone who reads this. > > I like to think of redundant RAID as buying you some time to repair a > failure before it interrupts services. It's not really a backup at all. You > can still have some kind of software/firmware failure lose the data with > redundant RAID in place. There needs to be a copy somewhere else if the > data is important.
I forgot to mention that the RAID cabinet also be physically destroyed by a power surge, fire, flooding, etc. I personally don't have a lot of data, but I actually take a jump drive with everything to store in a bank safe deposit box twice a month.
