Slow Raid-10 Speeds with 6 x NVMe mdraid

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champloo
Posts: 2
Joined: 2020/11/29 14:32:59

Slow Raid-10 Speeds with 6 x NVMe mdraid

Post by champloo » 2020/11/29 14:36:46

Good day.

I want make good speed disk platform, but mdraid not give me full speed.
I have 6 nvme ssd pcie3 x4 on x570 board
Hardware:
NVME: Samsung Evo 970 plus
motherboard: Gigabyte x570 pro (2 nvme ssd in)
ASUS Hyper M.2 X16 Gen 4 Card with pcie-burification. (4 nvme ssd in)
CPU ryzen 5950x
Ram 64gb 4000mhz

Fio test:

Code: Select all

fio --loops=5 --size=5000m --filename=/mnt/fs/fiotest.tmp --stonewall --ioengine=libaio --direct=1 \
  --name=Seqread --bs=1m --rw=read \
  --name=Seqwrite --bs=1m --rw=write \
  --name=512Kread --bs=512k --rw=randread \
  --name=512Kwrite --bs=512k --rw=randwrite \
  --name=4kQD32read --bs=4k --iodepth=32 --rw=randread \
  --name=4kQD32write --bs=4k --iodepth=32 --rw=randwrite
Windows AMD raid 10 cpu:
https://monosnap.com/file/Yy60j3VF2clqx ... GLVrPAs25K
Windows FIO WSL1 AMD raid 10
https://monosnap.com/file/LFucDw1Sm5aay ... mjdvBSvYvy


Centos 8 mdraid 10
https://monosnap.com/file/g3U5NmVe2ycG5 ... g505MBAJeJ
Centos 8 mdraid 5
https://monosnap.com/file/Mb63lcTI317Kd ... BeefjEiaHw
Centos 8 Singe disk
https://monosnap.com/file/L7AOSYEWurOKd ... RHQoW1X3Bt

champloo
Posts: 2
Joined: 2020/11/29 14:32:59

Re: Slow Raid-10 Speeds with 6 x NVMe mdraid

Post by champloo » 2020/12/01 09:47:22

up
please help with my problem...

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TrevorH
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Posts: 30173
Joined: 2009/09/24 10:40:56
Location: Brighton, UK

Re: Slow Raid-10 Speeds with 6 x NVMe mdraid

Post by TrevorH » 2020/12/01 10:04:17

This forum is entirely staffed by unpaid volunteers. If anyone cares to respond to your post then they will but it's entirely up to them to do so.
CentOS 6 died in November 2020 - migrate to a new version!
Info for USB installs on http://wiki.centos.org/HowTos/InstallFromUSBkey
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