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Virtualization

14 guides on virtualization, covering backup strategy, recovery planning, and data protection for production and homelab infrastructure.

What Is a Hypervisor and How Does It Work in Virtualization?

A hypervisor is the software layer that makes virtualization possible. It sits between the physical hardware and the virtual machines and...

What is a hypervisor and why do organizations need one?

A hypervisor, also called a Virtual Machine Monitor (VMM), is software that creates and manages virtual machines on a physical server. It...

What Is QEMU and How Does It Work Together With KVM?

QEMU Emulator is an open source hardware emulator. It can simulate CPUs, memory, storage and other devices, so a virtual machine runs as...

Managing vCenter Snapshots Without Hurting VM Performance

A snapshot in vCenter captures the complete state of a virtual machine at a point in time, including disk, memory, and configuration...

VDI vs VHD vs VMDK and How to Convert Virtual Disks

VDI, VHD and VMDK are three widely used virtual disk formats, each built for a different virtualization ecosystem. All three act as...

VDI vs VHD vs VMDK: Differences and How to Convert Between Them

VDI, VHD and VMDK are virtual disk formats used by different virtualization platforms, and each stores the complete contents of a virtual...

Fixing the “Virtual Machine Disk Consolidation Is Needed” Alert

The "virtual machine disk consolidation is needed" alert usually shows up when snapshot delta files are left behind after a snapshot...

What Is VM Live Migration and How Does It Avoid Downtime?

Live migration moves a running virtual machine from one physical host to another without shutting down its operating system, so...

What Is a Virtual Machine Monitor (VMM) and What Does It Do?

A Virtual Machine Monitor (VMM), also called a hypervisor, is the technology that lets a single physical computer run multiple independent...

Snapshots vs Backups in Virtual Machine Data Protection

Snapshots and backups are both common data protection mechanisms, but they serve different purposes and work in very different ways.

What Is VM Sprawl and How Can Organizations Prevent It?

VM sprawl is the uncontrolled growth of virtual machines in an IT environment, usually because VMs are easy to create and management...

Moving Files Between VMs and Local Computers Across Hypervisors

How you transfer files between a virtual machine and a local computer, or between two virtual machines, depends mostly on the hypervisor...

What to Look for in Virtual Machine Backup Software

Virtual machine backup software should provide application consistent backups, granular recovery options, efficient storage management and...

What This Document Proves About Running and Recovering on Kubernetes

This document is the final confirmation for the idea, and it takes it one step further than before.