Enterprise vs Consumer SSDs Performance For TrueNAS ZFS LOG [YouTube Release]

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Are consumer SSDs like the WD Black SN850 good enough for use in ZFS-based storage systems like TrueNAS? How do they stack up against enterprise options like the Intel Optane DC3700?

In this video, we cover the performance differences between consumer and enterprise-grade SSDs, focusing on their role as ZFS log devices (SLOGs). Marketing specs might claim blazing fast speeds—but that’s only part of the story. If you’re building a homelab, NAS, or business storage server, knowing what actually works can save you from frustrating bottlenecks or even data loss.

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Chapters
00:00 Enterprise vs Consumer SSDs Performance For TrueNAS ZFS LOG
01:00 TrueNAS Test Setup and adding LOG devices
02:44 Comparing Tech Specs
04:00 Que Depth and Results
06:28 Other use cases?

Tom,
With the advancements of NVME becoming drives in pools, do we really need support vdevs? Spinning rust makes sense to offload but I don’t see how it really supports NVME drives in the long term specifically for Log and Metadata. Curious on your thoughts.

Based on your testing, it does make me ask the question… Why did these Optane drives go away? It’s clear there is still a niche to be filled with them, they were always a niche device. I know ram got cheaper and much more plentiful, but they are not the same in all circumstances.

How did you figure out the max queue depth?