Felix Miata (12024-01-24): > Technically, quite true. However, OS and user data are very different. User > data > recreation and/or restoration can be as painful as impossible, justifying > RAID. OS > can be reinstalled rather easily in a nominal amount of time. A 120G SSD can > hold > multiple OS installations quite easily. A spare 120G SSD costs less than a > petrol > fillup. I stopped putting OS on RAID when I got my first SSD. My current > primary > PC has 5 18G OS installations, all bootable much more quickly than finding a > suitable USB stick to rescue boot from.
Looks you are confusing RAID with backups. Yes, OS can be reinstalled, but that still makes “a nominal amount of time” during which your computer is not available. Your “spare” SSD would be more usefully used in a RAID array than corroding on your shelves. -- Nicolas George
