Issue appears to be a cluster sizing problem. It appears that not all VMs in the cluster are participating correctly, as the total Live Storage capacity should be significantly higher than is displayed
The Live Storage can be checked in the Aria Operations for Logs UI by browsing to Management >> System Monitor
Aria Operations 8.18.x
Live Storage only shows the resources for a single node at a time.
In order to see the Resources of the other nodes, the selector highlighted in red in the image below should be used: