b$.$ BA company is preparing a small on$-$premises data center, where there are multiple VMs running on an array of hosts, using shared storage. An important design aspect is the necessity to have live migration enabled for any failed VM$.$ If the SLA mentions $99\%$ availability of the VMs$,$ failover may be considered near instantaneous, as a student of DSTN$,$ explain with appropriate illustration what type of storage virtualization will serve the scenario best.