#ESXi

2 guides

Virtualization (Hyper-V, VMware, VirtualBox)

How to Back Up VMware ESXi Virtual Machines

Back up ESXi VMs the right way: why free ESXi blocks most backup tools, how snapshot-based backups work, ghettoVCB and OVF export, and why snapshots aren't backups.

Sysadmin Desk Aug 13, 2026 10 min read

Diagram-style cover showing a VMware base disk with a chain of delta disks growing over time, contrasted with a separate independent backup copy

Virtualization (Hyper-V, VMware, VirtualBox)

VMware Snapshots Explained: Why They Are Not Backups

How VMware snapshots and delta disks really work, why they grow and slow your VMs, the 72-hour rule, and why a snapshot is not a backup. Practical guidance.

Sysadmin Desk Jun 21, 2026 7 min read