Re: Request for information on using NVMe under linux

I suggest you start by

checking the kernel version, ubuntu is kinda like debian, it may be an 
"old" one (relatively) especially LTS ... .

big chances that updating your kernel will be more than sufficient .

Le 03/07/2024 à 10:20, Jamaleddine AMGHAR a écrit :
> Hello,
> 
> I am experiencing an abnormal performance issue with my Samsung SSD 970 
> EVO Plus 1TB (2B2QEXM7) on my Ubuntu 24.04 LTS system. My setup includes 
> a 12th Gen Intel Core i7-12700 x 20 processor, and the SSD is connected 
> to an M.2 M-key, type-2280 slot (PCIe Gen.3 x4 interface) that supports 
> NVMe on the motherboard.
> 
> Specifically, I have noticed a significantly low write speed of around 
> 700MB/s on my Ubuntu system. After some research, it appears that many 
> users face similar issues when using NVMe drives on Linux. In contrast, 
> when I tested the same SSD on the same motherboard using a portable 
> Windows OS, the write speed was approximately 3GB/s.
> 
> Could you provide any methods to optimize the performance of my NVMe 
> drive on Linux? Additionally, how can I update the NVMe driver on Linux 
> using "nvme-cli"? Any advice or recommendations you have to address this 
> issue would be greatly appreciated.
> 
> Thank you for your assistance.
> 
> Best regards,
> 
> Jamaledd
> 
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