Which file system does vSAN use for its datastore?

vSAN uses VirstoFS for its datastore. VirstoFS is designed specifically for virtual environments and provides robust capabilities for storage virtualization, which aligns well with vSAN's architecture. It allows for efficient management of storage resources and plays a crucial role in the performance and scalability of a VMware virtualized infrastructure. This file system enables vSAN to leverage the underlying storage hardware while maintaining high availability and performance for virtual machines.

In contrast, VMFS is a file system used for traditional VMware datastores but is not utilized by vSAN, as vSAN operates differently by directly accessing the storage devices of the hosts. NTFS is a Windows file system and not applicable in a vSAN environment. GFS2 is a file system used in clustered environments, primarily in Linux, and does not relate directly to the storage mechanisms relevant to VMware vSAN. Understanding the specific file system utilized by vSAN is essential for effectively managing storage in a virtualized environment.