LVM add harddisk

1 ifconfig
2 fdisk -l
3 aptitude update && sudo aptitude safe-upgrade
4 apt-get update
5 apt-get upgrade
6 fdisk -l
7 pvcreate /dev/sdb1
8 fdisk /dev/sdb -l
9 vgdisplay
10 df
11 vgscan
12 vgdisplay
13 vgextend PubChem /dev/sdb1
14 df
15 lvextend -L128G /dev/mapper/PubChem-root
16 lvextend -L500G /dev/mapper/PubChem-root
17 lvextend -L480G /dev/mapper/PubChem-root
18 lvextend -L400G /dev/mapper/PubChem-root
19 df
20 resize2fs /dev/mapper/PubChem-root
21 df
22 shutdown now
23 df
24 sudo -s
25 history