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Started Mar 26, 2013 | Discussions thread
aldoc
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Re: A solution or: don't trust RAIDs too much
In reply to robot 1, Mar 28, 2013

robot 1 wrote:

Mojn wrote:

Can only recommend a NAS with RAID 5 (2-4 mirrored disks). Even better: Get two, place one of them in your grandmothers attic and set up a mirror between the two NAS units.

A RAID is not a replacement for a back-up. Yes, you get more protection from failed drives, but you are still relying on a single piece of hardware (the RAID controller), and if that fails all your data is gone.

Yes, that's why I prefer several independent drives, in my case 5 numbered 1 or 2 TB drives which are used and exchanged on a weekly basis, each with full backup. After the one month full cycle, I format the oldest drive and start all over. Twice a year I buy a new drive, make a full backup and store it for a long time in a safe place outside.

This works for me, of course other solutions are as good or better and YMMV

Alfred

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