How hardware is virtualised
ESXi as a type‑1 hypervisor, CPU and memory scheduling, and how VMs see virtual hardware.
Article coming soonVMware vSphere
This section collects diagrams and explanations for VMware vSphere – ESXi hosts, vCenter, clusters and how virtual machines run on top of the hardware platform.
Over time, each topic below will link to a dedicated article with step‑by‑step diagrams and practical notes for architects and administrators.
Core topics
How a VM works
VM configuration, virtual hardware stack, tools/agents and interaction with ESXi and vCenter.
Article coming soonSnapshots
How snapshots are stored, consolidated and how they affect performance and backup workflows.
Read snapshot article →vMotion & migrations
Live migration flows and how CPU, memory and storage are handled when VMs move between hosts.
Article coming soonClusters, HA & DRS
Cluster design, HA restart behaviour and how DRS balances workloads with vMotion.
Article coming soonvSphere networking & vDS
Standard vs distributed switches, port groups, uplinks and integration with physical networks.
Article coming soonStorage connectivity
Datastores, paths, multipathing and how ESXi talks to SAN, NAS and HCI storage.
Article coming soon