Quoting Robert Sweetnam (ilug at labarry.com):
> With regards to RAID,
>> It's a matter of choice whatever option you choose.
As I said earlier, backup vs. redundancy vs. archival storage are
protections against _different threat models_.
I talk about that a little bit in "Backup Fallacies / Pitfalls" on
http://linuxmafia.com/kb/Admin/ . Please speak up if that needs further
> If you are a home user, forget about RAID, unless you want to try it out.
Well, I don't know about you, but having absolutely up-to-the-second
ability to recover from most types of drive failure, and not lose
all work back to the last backup tape set, is worth the cost of
a nice dinner on the town.
> For a business. RAID is as essential as a solid backup schedule...
No, it really isn't. RAID simply isn't backup.
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