vSAN 8 Capacity Calculator

vSAN 8 Capacity Calculator

Capacity ComponentSpecification
Maximum Cluster SizeUp to 64 hosts per cluster
Maximum vSAN Datastore Size64TB per vSAN datastore
Maximum Virtual Disk Size64TB per virtual disk
Maximum VM Size62TB per VM
Deduplication and CompressionSupported on all-flash storage configurations
Storage OvercommitmentSupported
Disk FormatsVMFS, NFS, and vSAN
Cache Device RequirementsMinimum 10% of the capacity
Raw Disk Device RequirementsSATA, SAS, NVMe, or SSD
Disk Group Composition1 cache device and 1 to 7 capacity devices per disk group
Object Space ReservationConfigurable, defaults to 0%
RAID TypeRAID 1, RAID 5, RAID 6, RAID 1+0 (mirroring and erasure coding supported)
Maintenance ModeSupported for individual disks, disk groups, and hosts
Hybrid ConfigurationsSupported
All-Flash ConfigurationsSupported

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