Virtualization

Virtualization

1. hardware sharing

   • hypervisor(vSphere)
     • Virtual network adapter
       • sharing of single adapter among multiple systems
     • Virtual Memory
       • Overcommitment of memory
       • High Availibility
       • greater utilization
   • Physical hardware
     • Single OS
     • lesser utilization of memory
     • low availibility
     • high maintainence

2. esxi architecture

   • ESX Servers
     • Virtual SMP
     • VMFS
     • Virtual Machines
       • VirtualCenter Management System
         • DRS
         • HA
         • Consolidated Backup

3. vCenter 6.0 features

   • High Availibility
   • Fault tolerance
   • vDS
   • Management
   • vMotion
   • EsXi with VMs