VMware vSAN 6.x – when working with vSAN consider the following limitations
- does not support hosts participating in multiple vSAN Clusters however a vSAN host can access other external storage resources that are shared across clusters
- does not support vSphere DPM and Storage I/O Control
- does not support SE Sparse disks
- does not support SCSI reservations
- does not support RDM, VMFS, diagnostic partition, and other device access features