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I need big drives for backup. Clearly, there's even more reasons to use HDDs now.


Even in this case, you need to be careful with how you use HDDs. I say this only because you mentioned size. If you’re using big drives in a RAID setup, you’ll want to consider how long it takes to replace a failed drive. With large drives, it can take quite a long time to recover an array with a failed drive. Simply because copying 12+TB of data to an even a hot spare takes time.

Yes there are ways to mitigate this, particularly with ZFS DRAID, but it’s still a concern that’s more a large HDD thing. For raw storage, HDDs aren’t going anywhere anytime soon. But, there are still some barriers with efficient usage with very large drives.




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