Trying to upgrade the lab enviroment, from 10.1.0.3341.0.1 to 11.5.3.0.0.163

Hi,

Im trying to upgrade our lab enviroment from 10.1.0.3341.0.1 to 11.5.3.0.0.163, but its failing and i cannot figure out why.

root@lb01a(Active)(tmos) / sys software status
root@lb01a(Active)(tmos.sys.software.status) show

Sys::Software Status
Volume  Product  Version   Build  Active    Status
--------------------------------------------------
HD1.1      none     none    none      no  complete
HD1.2    BIG-IP   10.1.0  3341.0     yes  complete


root@lb01a(Active)(tmos) install sys software image BIGIP-11.5.3.0.0.163.iso  volume HD1.1

root@lb01a(Active)(tmos) show sys soft status

Sys::Software Status
Volume  Product  Version    Build  Active                                   Status
----------------------------------------------------------------------------------
HD1.1    BIG-IP   11.5.3  0.0.163      no  failed (Can't find requested disk HD1.)
HD1.2    BIG-IP   10.1.0   3341.0     yes                                 complete


MD5 checksum is OK.
The same happens when i try to go via the webgui...

Any ideas? I cant figure this one out.

Regards, Rikard