gistfile1.txt

sudo apt-get update &&
sudo apt-get install -y mdadm xfsprogs

volumes=4
raiddevice=/dev/md1
mountpoint=/mnt/db-raid0-xfs
devices=$(perl -e 'for$i("h"){for$j("",1..15){print"/dev/sd$i$j\n"}}'| head -$volumes)
devicearray=($devices)
echo $devices
sudo mdadm --create --verbose $raiddevice \
  --level=raid0 \
  --metadata=1.2 \
  --chunk=256 \
  --raid-devices=$volumes $devices
echo DEVICE $devices       | sudo tee -a /etc/mdadm/mdadm.conf
sudo blockdev --setra 65536 $raiddevice
sudo mkfs.xfs -d su=256k,sw=4 $raiddevice
echo "$raiddevice $mountpoint xfs noatime,nobootwait 0 0" | sudo tee -a /etc/fstab
sudo mkdir -p $mountpoint
sudo mount $mountpoint
sudo chown ubuntu:ubuntu $mountpoint
ls -la $mountpoint

volumes=4
raiddevice=/dev/md2
mountpoint=/mnt/view-raid0-xfs
devices=$(perl -e 'for$i("i"){for$j("",1..15){print"/dev/sd$i$j\n"}}'| head -$volumes)
devicearray=($devices)
echo $devices
sudo mdadm --create --verbose $raiddevice \
  --level=raid0 \
  --metadata=1.2 \
  --chunk=256 \
  --raid-devices=$volumes $devices
echo DEVICE $devices       | sudo tee -a /etc/mdadm/mdadm.conf
sudo mdadm --detail --scan | sudo tee -a /etc/mdadm/mdadm.conf
sudo blockdev --setra 65536 $raiddevice
sudo mkfs.xfs -d su=256k,sw=4 $raiddevice
echo "$raiddevice $mountpoint xfs noatime,nobootwait 0 0" | sudo tee -a /etc/fstab
sudo mkdir -p $mountpoint
sudo mount $mountpoint
sudo chown ubuntu:ubuntu $mountpoint
ls -la $mountpoint