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Forum Discussion
Why isn't RAID/NAS a backup strategy
I read, here, that NAS isn't a backup strategy. Why not? That's what I'd want it for, so that my wife can't go nuts if we "lose" our photos of children...or forget to backup the "other" external...
If important data is primarily stored on the NAS then you need to backup the data e.g. to a USB hard disk, another NAS or some place else.
RAID provides redundancy/high-availability (i.e. if any one disk fails, data remains intact) and is not to be confused with backup.
Take a look at Preventing Catastrophic Data Loss
You should preferably have 2-3 backup copies of important data on separate devices. NAS units can be used as an effective part of a backup strategy, but if data is only stored on the NAS and no place else it's not backed up.
RAID provides redundancy/high-availability (i.e. if any one disk fails, data remains intact) and is not to be confused with backup.
Take a look at Preventing Catastrophic Data Loss
You should preferably have 2-3 backup copies of important data on separate devices. NAS units can be used as an effective part of a backup strategy, but if data is only stored on the NAS and no place else it's not backed up.
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