Architecting on AWS - Notes

Bechmarking Storage

# https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/raid-config.html

mdadm --create --verbose /dev/md0 \
  --level=0 \
  --name=riverraid \
  --raid-devices=2 /dev/nvme1n1 /dev/nvme2n1
  
mkfs.ext4 -L riverraid /dev/md0
mdadm --detail --scan | sudo tee -a /etc/mdadm.conf
dracut -H -f /boot/initramfs-$(uname -r).img $(uname -r)
mkdir -p /mnt/riverraid
mount LABEL=riverraid /mnt/riverraid

# https://www.binarylane.com.au/support/solutions/articles/1000055889-how-to-benchmark-disk-i-o

fio --randrepeat=1 \
  --ioengine=libaio --direct=1 \
  --gtod_reduce=1 --name=test \
  --filename=/mnt/riverraid/testfio --bs=32k \
  --iodepth=64 --size=16G \
  --readwrite=randrw --rwmixread=75

fio --randrepeat=1 \
  --ioengine=libaio --direct=1 \
  --gtod_reduce=1 --name=test \
  --directory=/mnt/riverraid --bs=256k \
  --iodepth=64 --size=16G --nrfiles=1000 \
  --readwrite=randrw --rwmixread=75