VASA, originally introduced in vSphere 5.0, are an extension of the vSphere Storage APIs. VASA is shorthand for vSphere Storage APIs for Storage Awareness. It initially allowed storage arrays to integrate with vCenter for management functionality via server-side plug-ins or Vendor Providers. The storage provider exists on either the storage array service processor or it may also be a standalone host – this is at the discretion of the vendor. In the case of VSAN, it also uses VASA, but interestingly the storage provider is now placed on the ESXi host. Read on to learn more. Initially the storage capabilities…