query storage information include device name and capacity

```
...
Disk /dev/bala: 200GB...
...
```

2- confirm /dev/bala is existed file system

```
file -s /dev/bala
```

```
if ```/dev/bala: data```:
    there is no file system
else:
    existed, be careful next step will be formatted
```

3- craete physical volume

```
pvcreate /dev/bala
```

4- create volume group

```
vgcreate vg01 /dev/bala
```

5- vgdisplay vg01

```
Free PE / Size 5119 / 20.00 GiB
```

6- create logcial volume

```
lvcreate -l 5119 -n lv01 vg01
OR
lvcreate -l +100%free -n lv01 vg01
```

7- mkfs.ext3 /dev/vg01/lv01

```
CentOS6.x	ext4
CentOS7.x	xfs
```

8- mount /dev/vg01/lv01 /data01

9- modify /etc/fstab file

```
device name, location, type of file system, options of mount, fsck option
/dev/vg01/lv01; data01; ext3; defaults,nofail; 1; 2
```