The VMware Virtual SAN maximums represents limits applicable for virtual SAN ESXi host, virtual SAN cluster, virtual SAN virtual machines, virtual SAN VM storage policy, and virtual networking.

Table 1. Virtual SAN Maximums.

Item

Maximum

Virtual SAN ESXi host

Virtual SAN disk groups per host

5

Magnetic disks per disk group

7

SSD disks per disk group

1

Spinning disks in all diskgroups per host

35

Components per Virtual SAN host

9000

Cache tier maximum devices per host

5

Capacity tier maximum devices per diskgroup

7

Capacity tier maximum devices

35

Virtual SAN Cluster

Number of Virtual SAN hosts in a cluster

64

Number of datastores per cluster

1

Virtual SAN virtual machines

Virtual machines per host

200

Virtual machines per cluster

6400

Virtual machine virtual disk size

62 TB

Disk stripes per object

12

Percentage of flash read cache reservation

100

Failure to tolerate

3 for VM virtual disk size <= 16 TB

1 for VM virtual disk size > 16 TB

Percentage of object space reservation

100

Virtual SAN networks/physical network fabrics

2