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Originally Posted by IsaacKuo
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As for all your old SATA disks ... how much actual data that you care about is really on them? For most people, the stuff that actually takes up serious amounts of space is movies/tv shows - which you've already stated you don't worry about backup for. Assuming the actual amount of data is less than half of the total capacity, you could label equal sized discs in pairs, and simply move/copy things around so each pair contains the same data. A SATA disc just sitting around not connected to anything is a pretty reliable store of data. Having two copies of should provide pretty good assurance that one copy will be good.
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I keep the old disks in case I find I need something off them. They also form a part backup of what will be on what ever is on my current machine.
When I take photo's I shoot both raw and jpg fine usually on 16gb sd. Once filled I use another. That was a back up that has proved reliable over a lot of years but flash has changed a lot and retention wont be as good as it was. I've probably about 160gb+ of newer sd cards. I collect data and ebooks on all sorts. Without the sd cards on my machine a 220gb home was beginning to look rather tight.
I'm inclined to think that disks that are hardly used should be a reliable store. They have been but storage densities are way up to what they used to be. I'm not that concerned about down time either - just loosing things.
What I outlined - server - that backed up once a week - and my machine means that there will be 3 copies of everything after a fashion. If server goes awol it's backup can be updated with what is currently on my machine. So nothing is lost unless the "wrong" 2 things fail at the same time. I'd hope that a disk used once a week would last a long time also disks in server spun up once a day but that will have some redundancy.
John
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