growlv

Usage: growlv.sh size+units lv

input units:
b|B is bytes,
s|S is sectors of 512 bytes,
k|K is kilobytes,
m|M is megabytes,
g|G is gigabytes,
t|T is terabytes,
p|P is petabytes,
e|E is exabytes

example:
./growlv.sh 200G root
this will add +200 GB to the root LV

./growlv.sh 10G var
this will add +10 GB to the var LV

If no LV is given, the root-lv will be used as default.

./growlv.sh 50G
this will add +50 GB to the root LV