How to create additional raid in mdadm

Troubleshooting
1

I am running dietpi v9.1.1 and connect total 8x 2.5" USB ssd to my intel nuc with 2x Powered USB Hub , 4x500gb and 4x1TB I success to create 4x500gb raid0 using this method Using a RAID system with DietPi – part 1 – DietPi Blog total 1.8TB

And now i want to create additional raid for my 4x1TB but since md0 already using for 4x500gb ssd so how can i create the 2nd raid ? Thanks !

2

You need to do similar steps, but e.g. change to /dev/md1, like e.g. with these commands:
mdadm --create /dev/md1 --level=0 --raid-devices=4 /dev/sde /dev/sdf /dev/sdg /dev/sdh
mkfs.ext4 -m 1 -L "myRAIDdisk2" /dev/md1
etc.

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3

Thanks it works this is my 1st time touching raid in dietpi

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