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InfrastructureVM Storage Calculator

VM Storage Calculator

Calculate vSphere ESX cluster storage capacity requirements

Built with Next.js and Tailwind CSS

Input

VM Profiles

Disk Size (GB)

RAM (GB)

VM Count

Disk Size (GB)

RAM (GB)

VM Count

Platform

Include Swap Files

Swap files equal configured RAM when no memory reservation is set

Config/Log per VM (GB)

Snapshot Allocation (%)

Allocate 20-30% for general VMs, up to 100% for high-change-rate workloads (databases, Exchange)

ESX Hosts

ESX Storage per Host (GB)

Thin Provisioning (%)

Growth Allocation (%)