Storage virtualization is often billed as what I call a “Time To” product, meaning it reduces the time it takes IT to respond to demands on the business. IT departments also should consider storage virtualization if they need to flatten or shrink their budget. Thin provisioning allows you to partition a volume to the size that the application or user requests, but only consume the actual disk space that is in use at that moment in time. Wide striping can scatter data across all the available drives in a system, reducing the amount of drive spindles dedicated to one task.”]
Source: https://www.darkreading.com/database-security/3-ways-that-storage-virtualization-can-save-you-money