proxmox 6.2-14

Proxmox VE 6.2-14 I'm trying to take a snapshot of a VM made up of 3 qcow2 disks. The first disk is ubuntu OS and the other 2 disks are user data. They are 230GB combined raw, but actually more like 100GB of data. In my VM options I have it set to save to storage "spare" which has about 300GB...