It's A Digital Disease!

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Is there something better than RAID6 in terms of Scalability? (zerobytes.monster)

submitted 6 months ago by bOt@zerobytes.monster to c/datahoarder@zerobytes.monster

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The original post: /r/datahoarder by /u/RainOfPain125 on 2025-02-21 08:44:39.

Hello friends,

If I understand things right, then it would seem that RAID6 would have poor scaling in terms of safeguarding against data loss via drive failure. No matter how many drives, only 3 drives have to fail to cause data loss.

If you're only using the minimum of 4 drives, then this might not be an issue.

But if you were using 12 drives, 20 drives, or so on - the odds that a drive failure will occur increases. If I ran 1,000 drives on RAID6, it would still only require 3 of them to fail to lose the data. This is what I mean by poor scaling.

So it begs rhe question, what setup do enthusiasts and/or datacenters use in their larger arrays to mitigate data loss? What is a setup that can scale better as more drives are added to the array?

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