KVM VPS migration is stuck at some percent in SolusVM.

Symptoms 

KVM VPS migration is stuck at some percent in SolusVM.

Cause

LV size in SolusVM does not correspond the actual LV size on the KVM Node.

Resolution

Increase the LV size manually on the Node:

# lvextend -L +100G /dev/solusvm/kvm101_img