We have always counted on storage systems to provide software based services like snapshots, RAID protection, replication and thin provisioning, but now operating systems (OS) or file systems are offering much of those capabilities. Separating the software from the hardware may also lead to greater flexibility when it comes to adding additional storage. Leveraging software to provide snapshots and other storage services is not for everyone, but its cost savings potential is worth examining to see if you have the type of environment that can.”]
Source: https://www.darkreading.com/database-security/how-intelligent-does-your-storage-need-to-be-