Question Raid 0 - slow speed ?

[Airforce Hind]

Hello,
I have problem with RAID 0 - the speed of two disks array is like single disk.
The PC configuration is:
Motherboard: MSI X570 ACE, Processor: AMD Ryzen 9 3900x, RAM: 4x8 GB Corsair Dominator Platinum 3000 MHz, System disk: RAID 0 array - 2x 1tb Corsair MP600 Pro NH, Second disk 250 gb Samsung 980 Pro, Video Card: MSI GTX960. The PC is used for work.
I bought 2 new nvme disks - 2x Corsair MP600 Pro NH 1 tb and made hardware RAID 0 using bios. I made clean installation on Windows 10 (RAID 0 setup is 1.81 TB and only 6% is used ). During the installation i put the official AMD drivers - NVMe_CC ver. 9.3.0.296 in the right order. I installed also RAIDXpert 2 on AMD after the installation on Windows 10 and everything is looking fine but when i tested the speed of the RAID 0 setup with CDM the result is like single disk read/write: 6500/6000 MB/s, i was expecting something like 13 000/12 000 MB/s. I tried also the different drivers old AMD ver. 9.3.0.266 and also official MSI Motherboard ver. 9.3.2.255 which is newer and absolutely no difference. The disks are new and tested before installation of Windows 10, working fine and the speed of each disk separately is like RAID 0 setup now. Something is wrong, is it windows or AMD drivers or something else?

 

[USAFRet]

Why o why are you trying to do a RAID 0?

RAID 0 + SSD, especially NVMe, does NOT scale as it might have done with old HDDs.

RAID 0 + SSD brings exactly ZERO benefit.
Even if the benchmark numbers were to show a doubling, the actual user facing performance does not.

Disassemble that RAID 0, and move on with 2 individual drives.

 

[Airforce Hind]

This computer plays the role of a server, work is done on it, also three other computers on the local network in the office use it. There are 140 SQL Server 2022 databases on this computer on the system disk. I wanted to upgrade the computer and increase the speed of the work, but I was not sure if there would be an increase at all from 1 ssd when going to RAID 0. Is there anything possible done with this problem to see a real difference is there or should I destroy the RAID array?

 

[USAFRet]

This computer plays the role of a server, work is done on it, also three other computers on the local network in the office use it. There are 140 SQL Server 2022 databases on this computer on the system disk. I wanted to upgrade the computer and increase the speed of the work, but I was not sure if there would be an increase at all from 1 ssd when going to RAID 0. Is there anything possible done with this problem to see a real difference is there or should I destroy the RAID array?

1. RAID 0 was never meant to be the OS drive. Even going back to the days of HDD database servers.
You would have some drive being the OS, and an HDD RAID 0 array holding the data and/or SQL scripts.

2. RAID 0 + SSD does NOT give any user facing benefit. Even in your use case.
Just go back to individual drives.

 

[Airforce Hind]

Thank you!

 

[USAFRet]

Thank you!

Good luck!