gce-mount-and-format-disk.sh

#!/bin/bash

DEVICE_ID="$1"
MNT_DIR="$2"

if [[ "$DEVICE_ID" == "" || "$MNT_DIR" == "" ]]; then echo "Usage: ./gce-new-disk.sh DEVICE_ID MNT_DIR"; exit 1; fi

sudo mkfs.ext4 -m 0 -F -E lazy_itable_init=0,lazy_journal_init=0,discard /dev/$DEVICE_ID
sudo mkdir -p $MNT_DIR
sudo mount -o discard,defaults /dev/$DEVICE_ID $MNT_DIR
sudo chmod a+w $MNT_DIR
sudo cp /etc/fstab /etc/fstab.backup
echo UUID=`sudo blkid -s UUID -o value /dev/$DEVICE_ID` $MNT_DIR ext4 discard,defaults,nofail 0 2 | sudo tee -a /etc/fstab

cat /etc/fstab