1. sudo pvcreate /dev/vdc1 && vgextend datavg /dev/vdc1 && lvextend -l +100%free /dev/datavg/datalv && resize2fs /dev/datavg/datalv
    set -x

DEVICE="/dev/vdc"
DEVICE_ID="1"
#MOUNT_DIR="/data-opq"
#mkdir -p $MOUNT_DIR


cat <<EOF | fdisk $DEVICE
n
p
$DEVICE_ID


p
w
EOF

mkfs.ext4 $DEVICE$DEVICE_ID

#mount $DEVICE$DEVICE_ID $MOUNT_DIR

#DISKID=$(blkid $DEVICE$DEVICE_ID | cut -d' ' -f2 | cut -d\" -f2)

#grep "$DISKID" /etc/fstab > /dev/null || echo "UUID=$DISKID    $MOUNT_DIR    ext4   errors=remount-ro   0   0" >> /etc/fstab