Script to mount volumes on aws instances

mount_drives.sh

#!/bin/bash                                                                              
# note - /dev/xvdh that is what /dev/sdh is mapped to
devpath=$(readlink -f /dev/xvdh)
MNTPOINT=/images

sudo file -s $devpath | grep -q ext4
if [[ 1 == $? && -b $devpath ]]; then
  sudo mkfs -t ext4 $devpath
fi
  
sudo mkdir $MNTPOINT
#sudo chown riak:riak $MNTPOINT
sudo chmod 0775 $MNTPOINT
  
echo "$devpath $MNTPOINT ext4 defaults,nofail,noatime,nodiratime,barrier=0,data=writeback 0 2" | sudo tee -a /etc/fstab > /dev/null
sudo mount $MNTPOINT

echo deadline | sudo tee /sys/block/$(basename "$devpath")/queue/scheduler
echo never | sudo tee /sys/kernel/mm/transparent_hugepage/enabled