3. Disk layout in a single vSAN server
disk groupdisk group disk group disk group disk group
Disk groups contribute to single vSAN datastore in vSphere cluster
Cache
Capacity
vSAN Datastore
§ Max 64 nodes
§ Min 2 nodes (ROBO)
§ Max 5 Disk Groups per
host
§ 2 – Tiers per Disk Group
4. vSAN very quick Overview
vSAN Datastore
§ Pools local storage intoa
single resource pool
§ Delivers Enterprise grade
scale & performance
§ Managed through policies
§ Integrates compute& storage
management into a single
pane
5. vSAN Component Layout
VMDK (512GB)
R1
R0 R0
C1 C2(components)
(RAID-1)
(RAID-0)
C1 C2(components)
R0
C1 C2(components)
HFT =2, FTM = RAID-1 , Stripe Width = 2
Note: No blocks are allocated at this time
(SIZE = 256GB)
Witness components not shown
(RAID-0) (RAID-0)