diff --git a/el7.ks b/el7.ks
index b85b64b..b16b80f 100644
--- a/el7.ks
+++ b/el7.ks
@@ -79,7 +79,7 @@ htop
 touch /tmp/ks.partitions
 
 # Select first drive
-main_drive=$(list-harddrives | awk '$2>=15360 {print $1; nextfile}')
+main_drive=$(list-harddrives | awk '$2>=16900 {print $1; nextfile}')
 ignore=$(echo $(list-harddrives | awk '$1!="'$main_drive'" {print $1}') | sed -e 's| |,|g')
 [ ! -z "$ignore" ] && echo "ignoredisk --drives $ignore" >> /tmp/ks.partitions
 cat << _EOF >> /tmp/ks.partitions
@@ -87,9 +87,10 @@ clearpart --all --initlabel --drives $main_drive
 part /boot --fstype xfs --size 1024 --ondrive $main_drive
 part pv.2 --size 17920 --grow --ondrive $main_drive
 volgroup main --pesize 4096 pv.2
-logvol / --fstype xfs --name root --vgname main --size 5120
+logvol / --fstype xfs --name root --vgname main --size 4096
 logvol /var --fstype xfs --name var --vgname main --size 5120
 logvol /tmp --fstype xfs --name tmp --vgname main --size 1024
+logvol /opt --fstype xfs --name opt --vgname main --size 5120
 logvol swap --fstype swap --name swap --vgname main --size 512
 _EOF