What’s the best RAID NAS configuration for my setup?

1149745 pts.
Tags:
NAS
RAID
I'm trying to build a NAS and I've figured out I can go two ways on doing this:
  1. Using a 1 24+ Port RAID controller that makes the whole array one single RAID 10 array
  2. Using 2 12+ Port RAID controllers making two separate RAID 10 arrays (12 drives per array)
Here's my question: What's the biggest configuration in terms of performance? Should I use one controller or two? Thanks!
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  • TheRealRaven
    In my case, I'd probably go with two controllers. But it would depend on the controller and device specs.

    If the single controller had, for example, four times as much cache as the two controllers combined and could process as quickly, a single controller might be appropriate. If a requirement included controller-level redundancy, though, then even a higher cache capacity wouldn't be enough to sway the choice. Numerous factors might balance or swing choices.

    Regardless of my choices, it depends on how the hardware specs match up with your requirements. Without a statement of requirements plus sufficient specs to compare against them, there is no "best".
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