List your disks and find the partition you want
lsblk -f
Create the partition
mkfs -t ext4 /dev/sdb1
Create a new folder to mount the drive into.
mkdir -p /home/Shinobi/second
Edit fstab to include the mount at startup.
nano /etc/fstab
Make this the last line.
/dev/sdb1 /home/Shinobi/second ext4 defaults 0 1
Mount the drive without having to reboot.
mount -a
Edit the config to add the drive to Shinobi
nano conf.json
Change your addstorage section to match your new information.
"addStorage": [
{
"name": "second",
"path": "/home/Shinobi/second"
}
],
Restart Shinobi.
pm2 restart camera
pm2 restart cron
Profit.