In the GUI go to Storage and hit Rescan
[IMAGE]Hello,  I currently have 3 storage pools in which 2 storage pools are system type and the other one  is user type the one with user type i can extend it. But the one's which are in system type can i extend them. I have clariion attached to the NAS head. please also findattached file of screen shot. 
Can i extend storage pool if the type is a system type with CLATA disk type