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From the article I linked: "...capacities larger than that only available from a few specialty vendors at eye-watering prices" From what I can tell, this was t
by aidenn0 1y ago
From the article I linked: "...capacities larger than that only available from a few specialty vendors at eye-watering prices"
From what I can tell, this was true when it was written, but has changed since with the Samsung QVO 8TB SATA only at a roughly 25% markup compared to a 8TB QLC M2 2280 drive. When I searched last winter it was 2-4x expensive as soon as you crossed the 4TB mark, with 4TB and under being similarly priced between SATA and nvme drives.
- kube-system 1y agoThat's the reality of low-volume products, they're expensive. Most people dropping that much cash on NAND will just drop the cash to plug it into something that can access it quickly. If you want big slow storage for cheap, just get a spinning disk.
- aidenn0 1y agoRandom IOPS through a SATA interface is orders of magnitude faster on NAND vs a spinning disk. A SATA SSD and a spinning disk might as well be two completely different categories of device for any non-sequential workload.
- kube-system 1y agoIf you need NAND for the performance, why use a SATA controller? NVME is more available, faster, and cheaper.
- aidenn0 1y agoHow do you put 16 NVME drives on a system with 24 total PCIe lanes?
- kube-system 1y agoYou can do it with PCIE switches, but you shouldn't. If you need 16 NVME drives, you need to put them in an appropriate host system. To properly design a computing solution, first you define the requirements, and then you select components with specifications that will fulfill your requirements. If you try to work backwards, you are destined for failure. Dropping big cash on 16 high-capacity SSDs just to ham-jam them in an old system is a really really dumb idea, especially if you're concerned about IOPS.
- aidenn0 1y agoAre you not aware that the region between "saturating 64 PCIe channels" and "spinning disks" contains a huge space of performance, much of which might be acceptable?
- kube-system 1y agoYes, but you can exceed those specifications using newer and cheaper hardware.
- justsomehnguy 1y agoTri-mode HBA/RAID, eg https://www.broadcom.com/products/storage/host-bus-adapters/sas-nvme-9500-8i https://www.broadcom.com/products/storage/host-bus-adapters/...