Quote:
Originally Posted by HarryT
I honestly don't think that RAID is any "safer" than a normal disk. A few years ago I had a RAID 5 Buffalo NAS. The RAID controller failed and fried 3 of the four disks in the RAID array, meaning that had I not had (which obviously I did have!) a backup, I would have lost my data.
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All I can say is that I've had disk drives fail in my Drobo and all I had to do is replace the failed disk. No data lost. Much better than a single external drive. Obviously, any single device can have a major failure, be it failed controller or lightning strike. The real safety is in having multiple copies in multiple places. However, a raid 5 device like the drobo is much safer than a normal disk, given that the most common point of failure is the spinning disk drive.