Fortianalyzer VM incorrect Disk Space

Hi,

Licensed 8TB of disk size. I set the system to 4TB of disk space. but it appears to 2TB maximum space can give the device. This may be why?

FAZVM64-HV # execute  lvm info 

Disk1  :         Used     4194GB

Disk2  :  Unavailable        0GB

Disk3  :  Unavailable        0GB

Disk4  :  Unavailable        0GB

Disk5  :  Unavailable        0GB

Disk6  :  Unavailable        0GB

Disk7  :  Unavailable        0GB

Disk8  :  Unavailable        0GB

Disk9  :  Unavailable        0GB

Disk10 :  Unavailable        0GB

Disk11 :  Unavailable        0GB

Disk12 :  Unavailable        0GB

get sys status

Release Version Information     : GA

Current Time                    : Wed Apr 20 14:58:25 EEST 2016

Daylight Time Saving            : Yes

Time Zone                       : (GMT+2:00) Athens, Istanbul.

x86-64 Applications             : Yes

Disk Usage                      : Free 161.59GB, Total 2460.77GB

File System                     : Ext4

License Status                  : Valid