Created
August 9, 2013 19:39
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#!/bin/bash | |
declare -a DISKS=($(fdisk -l | grep 'dev' | awk '{if ($3 > 1000) print $2}' | sed s/.$//)) | |
declare -a INUSE=($(mount | awk '{if ($1 ~ '/dev/') print $1}')) | |
declare -a UNUSED=(`comm -23 <(echo ${DISKS[@]} | sed 's/ /\n/g' | sort -u) <(echo ${INUSE[@]} | sed 's/ /\n/g'| sort -u)`) | |
echo "All Disks larger than 1000 GB:" | |
for i in ${!DISKS[@]} | |
do | |
echo "$i=${DISKS[$i]}" | |
done | |
echo | |
echo "In use Disks:" | |
for i in ${!INUSE[@]} | |
do | |
echo "$i=${INUSE[$i]}" | |
done | |
echo | |
echo "Available Disks larger than 1000 GB:" | |
for i in ${!UNUSED[@]} | |
do | |
echo "$i=${UNUSED[$i]}" | |
done | |
# Create Physical Volumes | |
for i in ${!UNUSED[@]} | |
do | |
pvcreate ${UNUSED[$i]} | |
done | |
# Create Volume Group from Physical Volumes | |
vgcreate datavg ${UNUSED[@]} | |
# Number of stripes to create in Logical Volume | |
# -- set to number of disks in group | |
NUMSTRIPES=${#UNUSED[@]} | |
# Get Volume Group Size | |
SIZE=$(expr $(vgdisplay datavg | grep "Total PE" | awk '{print $3}') - 100) | |
echo "SIZE: $SIZE" | |
# Create Logical Volume | |
lvcreate -l $SIZE -i${NUMSTRIPES} -n DataVolume datavg | |
mkfs.ext4 /dev/mapper/datavg-DataVolume -L DataFS | |
echo "LABEL=DataFS /scratch ext4 defaults 0 0" >> /etc/fstab | |
mount -a |
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