Deploying VSAN using VCF 4.5.2 reports an error: esxi host is missing minimum 2 hdd devices for hybrid capacity disks

Products

• VMware SDDC Manager

Issue/Introduction

Installing vSAN through VCF 4.5.2 fails during validation with an error "missing 2 HDD devices for Hybrid capacity disks"

Environment

VMware vSAN 7.x
VMware vSAN 8.x
VCF 4.5.2 

Cause

ESXi host has 3 different sized disks including the cache disk. Cloud builder 4.5.2 has a limitation and requires the same size capacity disks.

Resolution

Use same size disks for capacity tier.

Contact Broadcom Support for a work around based on this article vSAN Disks Validation on the ESXI Host(s) failed.