Somebody somehow bumped this old thread to the top and I thought it would be a useful discussion to revive. Things have changed a lot since the last entry to the thread in 2010. SSDs are approaching 1 USD/GB (or even lower) and are widely available. 1TB HDDs are commonplace and affordable even after the Thailand flood of yesteryear.
So where does that leave us photographers (and creative content producers in general)? Do we reinforce our existing backup and archival strategies with more of the same, or do we change completely?
Let me get the ball rolling. I currently have 3 desktop computers at home: one in the living room, one for my wife and one for myself. My wife and I back up our data to separate external 2.5" HDDs which are connected only when needed. However, my experience with these HDDs have not been too good. I have already had two failures over the past 8 years. Fortunately none of them coincided with a failure on my main computer HDD.
I am now considering a minimum-3-copies approach, i.e. every file will exist on 3 physically separate HDDs at any one time. For example, my files are on my computer and my external HDD, and I will copy them onto my wife's computer. My wife's files are on her computer, her external HDD and I will copy them onto the HTPC. (I am not using my computer as a backup location because the HDD has shown trouble signs after a recent motherboard / PSU issue.)
By the way, I have heard that archives and backups are best stored in low humidity (sure) and low temperature (myth or truth?). I will probably store them in the dry cabinet, but probably not the fridge. Anyone has a different take on this?