![]() RAID isn't a backup, so any truly important data should be backup elsewhere, like the cloud. But, this entirely depends on your preferences and how much this data being unavailable means to you.Īlso remember, the first 3 rules of RAID is: So if you take all of that into account, plus the fact that large drives take a while to rebuild thus prolonging the amount of time your single redundant array is vulnerable, you see why I say its dead. IMO, single drive redundancy is "dead" due to a lot of statistics that more or less is just to show that the likelihood of losing multiple drives at once is actually not very small, likelihood of corruption on more than 1 drive is not very small, and likelihood of losing a drive while rebuilding a failed drive (this has actually happened to me and my RAID Z2 which is ZFS's version of 2 parity drives saved me.) is not very small. ![]() This is totally up to you and what your downtime goals are. ![]()
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