PCI 4.0 storage options?

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RayMcBe
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PCI 4.0 storage options?

Post by RayMcBe » Mon Aug 12, 2019 11:51 pm

Are there solutions available that tap into the PCI 4.0 tech that's now becoming more prevalent? Is there a roadmap if there isn't a solution currently available?

dolbyman
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Re: PCI 4.0 storage options?

Post by dolbyman » Tue Aug 13, 2019 12:28 am

as this is NAS tech that mainly works at 10GbE max (with some super high end 40GbE exceptions), adding this to any NAS model would be wasted performance (and for crazy local virtualization performance you wouldn't really go for a NAS anyways)

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Don
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Re: PCI 4.0 storage options?

Post by Don » Tue Aug 13, 2019 2:29 am

In addition to what dolbyman said only QNAP knows what their roadmap is.
Read the Online Manuals and use the forum search feature before posting.

It is a recommended to use RAID and have external backups. RAID will protect you from disk failure, keep your system running, and data accessible while the disk is replaced and the RAID rebuilt. Backups will allow you to recover data that is lost or corrupted, or from system failure. One does not replace the other.

Submit bugs and feature requests to QNAP via their Helpdesk app.

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RayMcBe
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Re: PCI 4.0 storage options?

Post by RayMcBe » Tue Aug 13, 2019 2:35 am

I ask as I'm running 24bay NAS on a 80GbE backbone (bridge), which seems like the PCI 3.0 bus is limiting throughput of the SSDs I've installed (in theory 12GB/s, max of 3.5GB/s internally through the linux diag tool). About to build a large portable installation, so was hoping to see if PCI 4.0 would be opening up the internal bus a bit more and not be as limited. I'm supporting between 12 to 16 users on 10GbE each. I know I'm a unique case too... I work on large screens ( 90k pixels wide ) - so videos that are sometimes at least 500MB/s playback each.

QNAPDanielFL
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Re: PCI 4.0 storage options?

Post by QNAPDanielFL » Tue Aug 13, 2019 4:52 am

I can't tell you how far in the future it will be before we make a NAS that has PCIe gen 4. But if you want faster speeds than what you can get with the 2.5" SSDs in the drive bays, you could consider a NAS with lots of Gen3 PCIe slots and use multiple QM2 cards for some very fast NVMe storage. TS-2888X has 8 gen3 PCIe slots. If you had say 6 QM2-4P-342 in there for 24 NVMe drives, you might get the speeds you want.

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